JudoInside - Jason Koster Judoka

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Jason Koster

Country: New Zealand | Born: 11 March 1983 (41 years)

Jason Koster won the Oceania Open in Wollongong in 2014. He is four times Oceania champion and collected various World Cup medals in Oceania as well as in South America. He captured a bronze medal at the Pan American Open in Lima in 2019. He is married to Moira Koster De Villiers having two children.

Judo career

Judo results (89)

Head to head (137)

Judo photos (11)

Judo videos (17)

Judo news (1)

Judo performance (20%)

Judo results

Date

Result

Judo event

Type

Cat.

3 Aug 2022

Commonwealth Games Birmingham

CWG

U100

Opponent	NOC	RND	W/L
Kayhan Ozcicek-Takagi	AUS	5/7	L
Kyle Reyes	CAN	1/4	L
Qaisar Khan	PAK	1/8	W

4 Aug 2019

Asian Open Taipei

WCup

U100

Opponent	NOC	RND	W/L
Guan Zhi Lu	TPE	3/5	L
Duong Nguyen Hoang	VIE	5/7	W
Dongyun Lee	KOR	1/4	L

24 Mar 2019

Pan American Open Santiago

WCup

U100

Opponent	NOC	RND	W/L
Thomas Briceno	CHI	3/5	L
Nate Keeve	USA	1/2	L
Jose Luis Arroyo Osorno	PER	1/4	W

17 Mar 2019

Pan American Open Cordoba

WCup

U100

Opponent	NOC	RND	W/L
Pablo Aprahamian	URU	5/7	L
Nate Keeve	USA	1/4	L

10 Mar 2019

Pan American Open Lima

WCup

U100

Opponent	NOC	RND	W/L
Junior Angulo	ECU	3/5	W
Jose Luis Arroyo Osorno	PER	1/2	L
Michael Guerault	CAN	1/4	W

18 Nov 2018

Oceania Open Perth

WCup

U100

Opponent	NOC	RND	W/L
Alex Womersley	AUS	final	W
Timothy Hollingbery	AUS	poule	W

28 Oct 2018

New Zealand Championships Christchurch

U100

We do not have fights for this result.

20 May 2018

Canterbury Open Lincoln

U100

We do not have fights for this result.

7 Apr 2018

Oceania Championships Noumea

U100

Opponent	NOC	RND	W/L
Vakalahi Iosua		poule	W
Tevita Takayawa	FIJ	poule	L
Nicolas Berard	AUS	3/4	W

1 Oct 2017

New Zealand Championships Lower Hutt

U100

We do not have fights for this result.

17 Sep 2017

South Island Seniors Lincoln

OpenM

We do not have fights for this result.

17 Sep 2017

South Island Seniors Lincoln

U100

We do not have fights for this result.

29 Jul 2017

Auckland International Open

U100

We do not have fights for this result.

8 Apr 2016

Oceania Championships Canberra

U100

Opponent	NOC	RND	W/L
Tevita Takayawa	FIJ	poule	W
Duke Didier	AUS	poule	L

13 Mar 2016

Pan American Open Buenos Aires

WCup

U100

Opponent	NOC	RND	W/L
Rafael Buzacarini	BRA	3/5	L
Grigori Minaskin	EST	1/2	L
Orlando Baccino	ARG	1/4	W

6 Mar 2016

Pan American Open Lima

WCup

U100

Opponent	NOC	RND	W/L
Luciano Corrêa	BRA	3/5	L
Ajax Tadehara	USA	5/7	W
Beka Gviniashvili	GEO	1/4	L

11 Apr 2015

Oceania Championships Nouvelle

U100

Opponent	NOC	RND	W/L
Elijah Schuurmans	AUS	poule	W
Duke Didier	AUS	poule	W

22 Mar 2015

Pan American Open Buenos Aires

WCup

U100

Opponent	NOC	RND	W/L
Luciano Corrêa	BRA	final	L
Marc Deschenes	CAN	1/2	W
Alejandro San Martin	ESP	1/4	W
David Buechel	LIE	1/8	W

15 Mar 2015

Pan American Open Montevideo

WCup

U100

Opponent	NOC	RND	W/L
Sergio Garcia	MEX	3/5	W
Luciano Corrêa	BRA	1/2	L
Ajax Tadehara	USA	1/4	W
Orlando Baccino	ARG	1/8	W

8 Mar 2015

Pan American Open Santiago

WCup

U100

Opponent	NOC	RND	W/L
Manuel Bueno	URU	3/5	W
Rafael Buzacarini	BRA	1/2	L
Marc Deschenes	CAN	1/4	W

15 Nov 2014

Oceania Open Wollongong

WCup

U100

Opponent	NOC	RND	W/L
Duke Didier	AUS	final	W
Elijah Schuurmans	AUS	1/2	W

19 Oct 2014

New Zealand Championships Christchurch

OpenM

We do not have fights for this result.

19 Oct 2014

New Zealand Championships Christchurch

U100

We do not have fights for this result.

26 Jul 2014

Commonwealth Games Glasgow

CWG

U100

Opponent	NOC	RND	W/L
Duke Didier	AUS	3/5	W
Euan Burton	GBR	1/2	L
Sahil Pathania	IND	1/4	W

13 Jul 2014

European Cup Sindelfingen

ECup

U100

Opponent	NOC	RND	W/L
Luca Ardizio	ITA	5/7	L
Christoph Kronberger	AUT	1/4	L
Dominik Gerzer	GER	1/8	W
Archil Saginadze	GEO	1/16	W

26 Apr 2014

Oceania Championships Auckland

U100

Opponent	NOC	RND	W/L
Timothy Slyfield	NZL	final	W
Romain Desfour	PYF	1/2	W

16 Nov 2013

Oceania Open Apia

WCup

U100

Opponent	NOC	RND	W/L
Timothy Slyfield	NZL	final	W
Ajax Tadehara	USA	poule	W
Elijah Schuurmans	AUS	poule	W

27 Oct 2013

New Zealand Championships Wellington

U100

We do not have fights for this result.

15 Sep 2013

South Island Seniors Lincoln

OpenM

We do not have fights for this result.

15 Sep 2013

South Island Seniors Lincoln

U100

We do not have fights for this result.

14 Apr 2013

Oceania Championships Apia

U100

Opponent	NOC	RND	W/L
Timothy Slyfield	NZL	final	W
Jean-Luc Poiveka	NCL	1/2	W

16 Nov 2012

IJF World Cup Apia

WCup

U100

Opponent	NOC	RND	W/L
Timothy Slyfield	NZL	final	L
Josh Dahl	AUS	1/2	W
Elijah Schuurmans	AUS	1/4	W

21 Oct 2012

New Zealand Championships Auckland

U100

We do not have fights for this result.

21 Oct 2012

New Zealand Championships Auckland

OpenM

We do not have fights for this result.

16 Sep 2012

South Island Seniors Rolleston

O100

We do not have fights for this result.

16 Sep 2012

South Island Seniors Rolleston

OpenM

We do not have fights for this result.

29 Apr 2012

Oceania Championships Cairns

U100

Opponent	NOC	RND	W/L
Daniel Kelly	AUS	final	L
Ben Broadhead	AUS	1/2	W

25 Jan 2012

Commonwealth Championships Cardiff

CWC

U100

We do not have fights for this result.

30 Nov 2011

New Zealand Championships Auckland

OpenM

We do not have fights for this result.

30 Nov 2011

New Zealand Championships Auckland

U100

We do not have fights for this result.

12 Nov 2011

IJF World Cup Apia

WCup

U100

Opponent	NOC	RND	W/L
Kyle Vashkulat	USA	3/5	L
Shintaro Higashi	USA	5/7	W
Artem Bloshenko	UKR	1/4	L
Ajax Tadehara	USA	1/8	W

9 Oct 2011

World Cup Baku

WCup

U100

Opponent	NOC	RND	W/L
Dmytro Luchyn	UKR	5/7	L
Levan Zhorzholiani	GEO	1/4	L
Grigori Minaskin	EST	1/8	W
Sidé Aouidate	FRA	1/8	W

5 Jun 2011

World Cup Bucharest

WCup

U100

Opponent	NOC	RND	W/L
Amel Mekic	BIH	5/7	L
Leonardo Leite	BRA	1/4	L
Mohamed Abdel Raof	EGY	1/8	W

16 Apr 2011

Oceania Championships Papeete

U100

Opponent	NOC	RND	W/L
Daniel Kelly	AUS	final	L
Duke Didier	AUS	1/2	W

12 Nov 2010

IJF World Cup Apia

WCup

U100

Opponent	NOC	RND	W/L
Daniel Kelly	AUS	final	L
Duke Didier	AUS	1/2	W
Paselio Mataeliga	SAM	1/4	W

22 Aug 2010

South Island Seniors Christchurch

O100

We do not have fights for this result.

15 Aug 2010

Oceania Championships Canberra

U100

Opponent	NOC	RND	W/L
Daniel Kelly	AUS	final	L
Josh Dahl	AUS	1/2	W

6 Jun 2010

Waikato Bays Area Open

OpenM

We do not have fights for this result.

6 Jun 2010

Waikato Bays Area Open

U100

We do not have fights for this result.

14 Nov 2009

IJF World Cup Apia

WCup

U100

Opponent	NOC	RND	W/L
Duke Didier	AUS	3/5	W
Leonardo Leite	BRA	1/2	L
Alex Taylor	AUS	1/4	W

27 Oct 2009

New Zealand Championships Palmerston Nth

OpenM

We do not have fights for this result.

27 Oct 2009

New Zealand Championships Palmerston Nth

U100

We do not have fights for this result.

23 Aug 2009

South Island Seniors Christchurch

U100

We do not have fights for this result.

23 Aug 2009

South Island Seniors Christchurch

OpenM

We do not have fights for this result.

12 Jul 2009

World Cup Brazil Belo Horizonte

WCup

U100

Opponent	NOC	RND	W/L
Shintaro Higashi	USA	5/7	L
Leonardo Leite	BRA	1/4	L

3 May 2009

Auckland International Open

U100

We do not have fights for this result.

3 May 2009

Auckland International Open

OpenM

We do not have fights for this result.

27 Oct 2008

New Zealand Championships Auckland

U100

We do not have fights for this result.

27 Oct 2008

New Zealand Championships Auckland

OpenM

We do not have fights for this result.

24 Aug 2008

South Island Seniors Motueka

OpenM

We do not have fights for this result.

24 Aug 2008

South Island Seniors Motueka

U100

We do not have fights for this result.

21 Mar 2008

Oceania Championships Christchurch

U100

Opponent	NOC	RND	W/L
Jérémy Picard	PYF	final	W
Andrew Pragnell	NZL	3/5	W
Teva Gouriou	NCL	1/2	W
Matthew Celotti	AUS	1/4	L
Rehia Davio	PYF	1/4	W
Priscus Fogagnolo	AUS	1/8	W

21 Mar 2008

Oceania Championships Christchurch

OpenM

Opponent	NOC	RND	W/L
Jérémy Picard	PYF	final	W
Andrew Pragnell	NZL	3/5	W
Teva Gouriou	NCL	1/2	W
Matthew Celotti	AUS	1/4	L
Rehia Davio	PYF	1/4	W
Priscus Fogagnolo	AUS	1/8	W

22 Oct 2007

New Zealand Championships Christchurch

OpenM

We do not have fights for this result.

22 Oct 2007

New Zealand Championships Christchurch

U100

We do not have fights for this result.

11 Oct 2007

Oceania Open World Cup Perth

WCup

U100

We do not have fights for this result.

11 Oct 2007

Oceania Open World Cup Perth

WCup

OpenM

We do not have fights for this result.

26 Aug 2007

South Island Seniors Christchurch

U100

We do not have fights for this result.

26 Aug 2007

South Island Seniors Christchurch

OpenM

We do not have fights for this result.

26 Aug 2007

South Island Seniors Christchurch

O100

We do not have fights for this result.

23 Oct 2006

New Zealand Championships Lower Hutt

OpenM

We do not have fights for this result.

23 Oct 2006

New Zealand Championships Lower Hutt

U100

We do not have fights for this result.

6 Nov 2005

Oceania Open World Cup Tallebudgera

WCup

U100

We do not have fights for this result.

16 Oct 2005

South Island Seniors Christchurch

U100

We do not have fights for this result.

16 Oct 2005

South Island Seniors Christchurch

OpenM

We do not have fights for this result.

7 Aug 2005

Victorian Open Championships Melbourne

OpenM

We do not have fights for this result.

7 Aug 2005

Victorian Open Championships Melbourne

U100

We do not have fights for this result.

7 Aug 2005

Victorian Open Championships Melbourne

O100

We do not have fights for this result.

6 Jun 2005

New Zealand Championships Hamilton

U100

We do not have fights for this result.

13 Nov 2004

Commonwealth Championships Waitakere City

CWC

U100

We do not have fights for this result.

1 Aug 2004

Victorian Open Championships Melbourne

U100

We do not have fights for this result.

1 Aug 2004

Victorian Open Championships Melbourne

OpenM

We do not have fights for this result.

7 Jun 2004

New Zealand Championships Auckland

U100

We do not have fights for this result.

18 Apr 2004

Oceania Championships Noumea

OpenM

We do not have fights for this result.

16 Aug 2003

Victorian Open Championships Melbourne

U100

We do not have fights for this result.

10 Aug 2003

New South Wales International Open

U100

We do not have fights for this result.

30 Mar 2003

New Zealand Championships

U100

We do not have fights for this result.

1 Jan 2002

North Island Juniors

ITJun

OpenM

We do not have fights for this result.

1 Jan 2002

New Zealand U20 Championships

NJun

OpenM

We do not have fights for this result.

Commonwealth Games Birmingham

Date

Result

Type

Cat.

3 Aug 2022

CWG

U100

Opponent	NOC	RND	W/L
Kayhan Ozcicek-Takagi	AUS	5/7	L
Kyle Reyes	CAN	1/4	L
Qaisar Khan	PAK	1/8	W

Asian Open Taipei

Date

Result

Type

Cat.

4 Aug 2019

WCup

U100

Opponent	NOC	RND	W/L
Guan Zhi Lu	TPE	3/5	L
Duong Nguyen Hoang	VIE	5/7	W
Dongyun Lee	KOR	1/4	L

Pan American Open Santiago

Date

Result

Type

Cat.

24 Mar 2019

WCup

U100

Opponent	NOC	RND	W/L
Thomas Briceno	CHI	3/5	L
Nate Keeve	USA	1/2	L
Jose Luis Arroyo Osorno	PER	1/4	W

Pan American Open Cordoba

Date

Result

Type

Cat.

17 Mar 2019

WCup

U100

Opponent	NOC	RND	W/L
Pablo Aprahamian	URU	5/7	L
Nate Keeve	USA	1/4	L

Pan American Open Lima

Date

Result

Type

Cat.

10 Mar 2019

WCup

U100

Opponent	NOC	RND	W/L
Junior Angulo	ECU	3/5	W
Jose Luis Arroyo Osorno	PER	1/2	L
Michael Guerault	CAN	1/4	W

Oceania Open Perth

Date

Result

Type

Cat.

18 Nov 2018

WCup

U100

Opponent	NOC	RND	W/L
Alex Womersley	AUS	final	W
Timothy Hollingbery	AUS	poule	W

New Zealand Championships Christchurch

Date	Result	Type	Cat.
28 Oct 2018	1	NC	U100
We do not have fights for this result.

Canterbury Open Lincoln

Date	Result	Type	Cat.
20 May 2018	1	IT	U100
We do not have fights for this result.

Oceania Championships Noumea

Date

Result

Type

Cat.

7 Apr 2018

U100

Opponent	NOC	RND	W/L
Vakalahi Iosua		poule	W
Tevita Takayawa	FIJ	poule	L
Nicolas Berard	AUS	3/4	W

New Zealand Championships Lower Hutt

Date	Result	Type	Cat.
1 Oct 2017	1	NC	U100
We do not have fights for this result.

South Island Seniors Lincoln

Date	Result	Type	Cat.
17 Sep 2017	1	NT	OpenM
We do not have fights for this result.

South Island Seniors Lincoln

Date	Result	Type	Cat.
17 Sep 2017	1	NT	U100
We do not have fights for this result.

Auckland International Open

Date	Result	Type	Cat.
29 Jul 2017	1	IT	U100
We do not have fights for this result.

Oceania Championships Canberra

Date

Result

Type

Cat.

8 Apr 2016

U100

Opponent	NOC	RND	W/L
Tevita Takayawa	FIJ	poule	W
Duke Didier	AUS	poule	L

Pan American Open Buenos Aires

Date

Result

Type

Cat.

13 Mar 2016

WCup

U100

Opponent	NOC	RND	W/L
Rafael Buzacarini	BRA	3/5	L
Grigori Minaskin	EST	1/2	L
Orlando Baccino	ARG	1/4	W

Pan American Open Lima

Date

Result

Type

Cat.

6 Mar 2016

WCup

U100

Opponent	NOC	RND	W/L
Luciano Corrêa	BRA	3/5	L
Ajax Tadehara	USA	5/7	W
Beka Gviniashvili	GEO	1/4	L

Oceania Championships Nouvelle

Date

Result

Type

Cat.

11 Apr 2015

U100

Opponent	NOC	RND	W/L
Elijah Schuurmans	AUS	poule	W
Duke Didier	AUS	poule	W

Pan American Open Buenos Aires

Date

Result

Type

Cat.

22 Mar 2015

WCup

U100

Opponent	NOC	RND	W/L
Luciano Corrêa	BRA	final	L
Marc Deschenes	CAN	1/2	W
Alejandro San Martin	ESP	1/4	W
David Buechel	LIE	1/8	W

Pan American Open Montevideo

Date

Result

Type

Cat.

15 Mar 2015

WCup

U100

Opponent	NOC	RND	W/L
Sergio Garcia	MEX	3/5	W
Luciano Corrêa	BRA	1/2	L
Ajax Tadehara	USA	1/4	W
Orlando Baccino	ARG	1/8	W

Pan American Open Santiago

Date

Result

Type

Cat.

8 Mar 2015

WCup

U100

Opponent	NOC	RND	W/L
Manuel Bueno	URU	3/5	W
Rafael Buzacarini	BRA	1/2	L
Marc Deschenes	CAN	1/4	W

Oceania Open Wollongong

Date

Result

Type

Cat.

15 Nov 2014

WCup

U100

Opponent	NOC	RND	W/L
Duke Didier	AUS	final	W
Elijah Schuurmans	AUS	1/2	W

New Zealand Championships Christchurch

Date	Result	Type	Cat.
19 Oct 2014	1	NC	OpenM
We do not have fights for this result.

New Zealand Championships Christchurch

Date	Result	Type	Cat.
19 Oct 2014	1	NC	U100
We do not have fights for this result.

Commonwealth Games Glasgow

Date

Result

Type

Cat.

26 Jul 2014

CWG

U100

Opponent	NOC	RND	W/L
Duke Didier	AUS	3/5	W
Euan Burton	GBR	1/2	L
Sahil Pathania	IND	1/4	W

European Cup Sindelfingen

Date

Result

Type

Cat.

13 Jul 2014

ECup

U100

Opponent	NOC	RND	W/L
Luca Ardizio	ITA	5/7	L
Christoph Kronberger	AUT	1/4	L
Dominik Gerzer	GER	1/8	W
Archil Saginadze	GEO	1/16	W

Oceania Championships Auckland

Date

Result

Type

Cat.

26 Apr 2014

U100

Opponent	NOC	RND	W/L
Timothy Slyfield	NZL	final	W
Romain Desfour	PYF	1/2	W

Oceania Open Apia

Date

Result

Type

Cat.

16 Nov 2013

WCup

U100

Opponent	NOC	RND	W/L
Timothy Slyfield	NZL	final	W
Ajax Tadehara	USA	poule	W
Elijah Schuurmans	AUS	poule	W

New Zealand Championships Wellington

Date	Result	Type	Cat.
27 Oct 2013	1	NC	U100
We do not have fights for this result.

South Island Seniors Lincoln

Date	Result	Type	Cat.
15 Sep 2013	1	NT	OpenM
We do not have fights for this result.

South Island Seniors Lincoln

Date	Result	Type	Cat.
15 Sep 2013	1	NT	U100
We do not have fights for this result.

Oceania Championships Apia

Date

Result

Type

Cat.

14 Apr 2013

U100

Opponent	NOC	RND	W/L
Timothy Slyfield	NZL	final	W
Jean-Luc Poiveka	NCL	1/2	W

IJF World Cup Apia

Date

Result

Type

Cat.

16 Nov 2012

WCup

U100

Opponent	NOC	RND	W/L
Timothy Slyfield	NZL	final	L
Josh Dahl	AUS	1/2	W
Elijah Schuurmans	AUS	1/4	W

New Zealand Championships Auckland

Date	Result	Type	Cat.
21 Oct 2012	1	NC	U100
We do not have fights for this result.

New Zealand Championships Auckland

Date	Result	Type	Cat.
21 Oct 2012	1	NC	OpenM
We do not have fights for this result.

South Island Seniors Rolleston

Date	Result	Type	Cat.
16 Sep 2012	1	NT	O100
We do not have fights for this result.

South Island Seniors Rolleston

Date	Result	Type	Cat.
16 Sep 2012	1	NT	OpenM
We do not have fights for this result.

Oceania Championships Cairns

Date

Result

Type

Cat.

29 Apr 2012

U100

Opponent	NOC	RND	W/L
Daniel Kelly	AUS	final	L
Ben Broadhead	AUS	1/2	W

Commonwealth Championships Cardiff

Date	Result	Type	Cat.
25 Jan 2012	1	CWC	U100
We do not have fights for this result.

New Zealand Championships Auckland

Date	Result	Type	Cat.
30 Nov 2011	1	NC	OpenM
We do not have fights for this result.

New Zealand Championships Auckland

Date	Result	Type	Cat.
30 Nov 2011	1	NC	U100
We do not have fights for this result.

IJF World Cup Apia

Date

Result

Type

Cat.

12 Nov 2011

WCup

U100

Opponent	NOC	RND	W/L
Kyle Vashkulat	USA	3/5	L
Shintaro Higashi	USA	5/7	W
Artem Bloshenko	UKR	1/4	L
Ajax Tadehara	USA	1/8	W

World Cup Baku

Date

Result

Type

Cat.

9 Oct 2011

WCup

U100

Opponent	NOC	RND	W/L
Dmytro Luchyn	UKR	5/7	L
Levan Zhorzholiani	GEO	1/4	L
Grigori Minaskin	EST	1/8	W
Sidé Aouidate	FRA	1/8	W

World Cup Bucharest

Date

Result

Type

Cat.

5 Jun 2011

WCup

U100

Opponent	NOC	RND	W/L
Amel Mekic	BIH	5/7	L
Leonardo Leite	BRA	1/4	L
Mohamed Abdel Raof	EGY	1/8	W

Oceania Championships Papeete

Date

Result

Type

Cat.

16 Apr 2011

U100

Opponent	NOC	RND	W/L
Daniel Kelly	AUS	final	L
Duke Didier	AUS	1/2	W

IJF World Cup Apia

Date

Result

Type

Cat.

12 Nov 2010

WCup

U100

Opponent	NOC	RND	W/L
Daniel Kelly	AUS	final	L
Duke Didier	AUS	1/2	W
Paselio Mataeliga	SAM	1/4	W

South Island Seniors Christchurch

Date	Result	Type	Cat.
22 Aug 2010	1	NT	O100
We do not have fights for this result.

Oceania Championships Canberra

Date

Result

Type

Cat.

15 Aug 2010

U100

Opponent	NOC	RND	W/L
Daniel Kelly	AUS	final	L
Josh Dahl	AUS	1/2	W

Waikato Bays Area Open

Date	Result	Type	Cat.
6 Jun 2010	1	IT	OpenM
We do not have fights for this result.

Waikato Bays Area Open

Date	Result	Type	Cat.
6 Jun 2010	1	IT	U100
We do not have fights for this result.

IJF World Cup Apia

Date

Result

Type

Cat.

14 Nov 2009

WCup

U100

Opponent	NOC	RND	W/L
Duke Didier	AUS	3/5	W
Leonardo Leite	BRA	1/2	L
Alex Taylor	AUS	1/4	W

New Zealand Championships Palmerston Nth

Date	Result	Type	Cat.
27 Oct 2009	1	NC	OpenM
We do not have fights for this result.

New Zealand Championships Palmerston Nth

Date	Result	Type	Cat.
27 Oct 2009	1	NC	U100
We do not have fights for this result.

South Island Seniors Christchurch

Date	Result	Type	Cat.
23 Aug 2009	1	NT	U100
We do not have fights for this result.

South Island Seniors Christchurch

Date	Result	Type	Cat.
23 Aug 2009	1	NT	OpenM
We do not have fights for this result.

World Cup Brazil Belo Horizonte

Date

Result

Type

Cat.

12 Jul 2009

WCup

U100

Opponent	NOC	RND	W/L
Shintaro Higashi	USA	5/7	L
Leonardo Leite	BRA	1/4	L

Auckland International Open

Date	Result	Type	Cat.
3 May 2009	1	IT	U100
We do not have fights for this result.

Auckland International Open

Date	Result	Type	Cat.
3 May 2009	1	IT	OpenM
We do not have fights for this result.

New Zealand Championships Auckland

Date	Result	Type	Cat.
27 Oct 2008	1	NC	U100
We do not have fights for this result.

New Zealand Championships Auckland

Date	Result	Type	Cat.
27 Oct 2008	1	NC	OpenM
We do not have fights for this result.

South Island Seniors Motueka

Date	Result	Type	Cat.
24 Aug 2008	1	NT	OpenM
We do not have fights for this result.

South Island Seniors Motueka

Date	Result	Type	Cat.
24 Aug 2008	1	NT	U100
We do not have fights for this result.

Oceania Championships Christchurch

Date

Result

Type

Cat.

21 Mar 2008

U100

Opponent	NOC	RND	W/L
Jérémy Picard	PYF	final	W
Andrew Pragnell	NZL	3/5	W
Teva Gouriou	NCL	1/2	W
Matthew Celotti	AUS	1/4	L
Rehia Davio	PYF	1/4	W
Priscus Fogagnolo	AUS	1/8	W

Oceania Championships Christchurch

Date

Result

Type

Cat.

21 Mar 2008

OpenM

Opponent	NOC	RND	W/L
Jérémy Picard	PYF	final	W
Andrew Pragnell	NZL	3/5	W
Teva Gouriou	NCL	1/2	W
Matthew Celotti	AUS	1/4	L
Rehia Davio	PYF	1/4	W
Priscus Fogagnolo	AUS	1/8	W

New Zealand Championships Christchurch

Date	Result	Type	Cat.
22 Oct 2007	1	NC	OpenM
We do not have fights for this result.

New Zealand Championships Christchurch

Date	Result	Type	Cat.
22 Oct 2007	1	NC	U100
We do not have fights for this result.

Oceania Open World Cup Perth

Date	Result	Type	Cat.
11 Oct 2007	2	WCup	U100
We do not have fights for this result.

Oceania Open World Cup Perth

Date	Result	Type	Cat.
11 Oct 2007	2	WCup	OpenM
We do not have fights for this result.

South Island Seniors Christchurch

Date	Result	Type	Cat.
26 Aug 2007	1	NT	U100
We do not have fights for this result.

South Island Seniors Christchurch

Date	Result	Type	Cat.
26 Aug 2007	1	NT	OpenM
We do not have fights for this result.

South Island Seniors Christchurch

Date	Result	Type	Cat.
26 Aug 2007	1	NT	O100
We do not have fights for this result.

New Zealand Championships Lower Hutt

Date	Result	Type	Cat.
23 Oct 2006	3	NC	OpenM
We do not have fights for this result.

New Zealand Championships Lower Hutt

Date	Result	Type	Cat.
23 Oct 2006	2	NC	U100
We do not have fights for this result.

Oceania Open World Cup Tallebudgera

Date	Result	Type	Cat.
6 Nov 2005	3	WCup	U100
We do not have fights for this result.

South Island Seniors Christchurch

Date	Result	Type	Cat.
16 Oct 2005	1	NT	U100
We do not have fights for this result.

South Island Seniors Christchurch

Date	Result	Type	Cat.
16 Oct 2005	1	NT	OpenM
We do not have fights for this result.

Victorian Open Championships Melbourne

Date	Result	Type	Cat.
7 Aug 2005	2	IT	OpenM
We do not have fights for this result.

Victorian Open Championships Melbourne

Date	Result	Type	Cat.
7 Aug 2005	1	IT	U100
We do not have fights for this result.

Victorian Open Championships Melbourne

Date	Result	Type	Cat.
7 Aug 2005	2	IT	O100
We do not have fights for this result.

New Zealand Championships Hamilton

Date	Result	Type	Cat.
6 Jun 2005	2	NC	U100
We do not have fights for this result.

Commonwealth Championships Waitakere City

Date	Result	Type	Cat.
13 Nov 2004	3	CWC	U100
We do not have fights for this result.

Victorian Open Championships Melbourne

Date	Result	Type	Cat.
1 Aug 2004	1	IT	U100
We do not have fights for this result.

Victorian Open Championships Melbourne

Date	Result	Type	Cat.
1 Aug 2004	2	IT	OpenM
We do not have fights for this result.

New Zealand Championships Auckland

Date	Result	Type	Cat.
7 Jun 2004	2	NC	U100
We do not have fights for this result.

Oceania Championships Noumea

Date	Result	Type	Cat.
18 Apr 2004	3	OC	OpenM
We do not have fights for this result.

Victorian Open Championships Melbourne

Date	Result	Type	Cat.
16 Aug 2003	1	IT	U100
We do not have fights for this result.

New South Wales International Open

Date	Result	Type	Cat.
10 Aug 2003	3	IT	U100
We do not have fights for this result.

New Zealand Championships

Date	Result	Type	Cat.
30 Mar 2003	2	NC	U100
We do not have fights for this result.

North Island Juniors

Date	Result	Type	Cat.
1 Jan 2002	1	ITJun	OpenM
We do not have fights for this result.

New Zealand U20 Championships

Date	Result	Type	Cat.
1 Jan 2002	3	NJun	OpenM
We do not have fights for this result.

Jason Koster - Last fights

W/L	Opponent	Date
L	Ozcicek-Takagi, Kayhan	2022
L	Reyes, Kyle	2022
W	Khan, Qaisar	2022
L	Shagatayev, Bekzat	2022
L	Ryder, Ian	2022

Frequent opponents

Opponent	Matches	W/L
Didier Duke	7	6:1
Tadehara Ajax	5	5:0
Schuurmans Elijah	5	4:1
Corrêa Luciano	5	0:5
Slyfield Timothy	4	3:1

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