Jason Koster Judoka

Jason Koster

Jason Koster

  • Country:New Zealand
  • Born:11 March 1983 (37 years)
  • Popularity
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.

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Match balance per year

Year Matches Won Lost % won
20206060.0 %
20191441028.6 %
201894544.4 %
2016114736.4 %
20151510566.7 %
2014118372.7 %
201386275.0 %
2012103730.0 %
20112161528.6 %
201084450.0 %
200962433.3 %
200875271.4 %
Total 126 56 70 44.4 %

Head-to-heads

Date Opponent Noc Rnd W/L Type Event Cat video
1 Mar 2020Jimenez Patino, PedroESP1/8LWCupWarsawU100
23 Feb 2020Reyes, KyleCAN1/32LGSLDüsseldorfU100
16 Feb 2020Pozzi, DavideITA1/8LWCupOberwartU100
9 Feb 2020Maret, CyrilleFRA1/16LGSLParisU100
2 Feb 2020Kadyrov, KadyrAZE1/8LWCupSofiaU100
25 Jan 2020Frey, Karl-RichardGER1/16LGPTel AvivU100
4 Nov 2019Ohat, ZalanHUN1/8LWCupPerthU100
30 Aug 2019El Nahas, ShadyCAN1/32LWChTokyoU100
4 Aug 2019Lu, Guan ZhiTPE3/5LWCupTaipeiU100
4 Aug 2019Nguyen Hoang, DuongVIE5/7WWCupTaipeiU100
4 Aug 2019Lee, DongyunKOR1/4LWCupTaipeiU100
22 Apr 2019Lu, Guan ZhiTPE1/16LAChFujairahU100
24 Mar 2019Briceno, ThomasCHI3/5LWCupSantiagoU100
24 Mar 2019Keeve, NateUSA1/2LWCupSantiagoU100
24 Mar 2019Arroyo Osorno, Jose LuisPER1/4WWCupSantiagoU100
17 Mar 2019Aprahamian, PabloURU5/7LWCupCordobaU100
17 Mar 2019Keeve, NateUSA1/4LWCupCordobaU100
10 Mar 2019Angulo, JuniorECU3/5WWCupLimaU100
10 Mar 2019Arroyo Osorno, Jose LuisPER1/2LWCupLimaU100
10 Mar 2019Guerault, MichaelCAN1/4WWCupLimaU100
18 Nov 2018Womersley, AlexAUSfinalWWCupPerthU100
18 Nov 2018Hollingbery, TimothyAUSpouleWWCupPerthU100
25 Sep 2018Reyes, KyleCAN1/32LWChBakuU100
7 Apr 2018Takayawa, TevitaFIJpouleLOCNoumeaU100
7 Apr 2018Iosua, VakalahipouleWOCNoumeaU100
7 Apr 2018Berard, NicolasAUS3/4WOCNoumeaU100
18 Feb 2018Kozybayev, AdilkhanKAZ1/16LWCupOberwartU100
11 Feb 2018Pacek, MartinSWE1/16LGSLParisU100
4 Feb 2018Dosen, BojanSRB1/8LWCupSofiaU100
15 May 2016Mahjoub, JavadIRI1/8LGPAlmatyU100
15 May 2016Tadehara, AjaxUSA1/16WGPAlmatyU100
8 May 2016Frey, Karl-RichardGER1/16LGSLBakuU100
8 Apr 2016Didier, DukeAUSpouleLOCCanberraU100
8 Apr 2016Takayawa, TevitaFIJpouleWOCCanberraU100
13 Mar 2016Buzacarini, RafaelBRA3/5LWCupBuenos AiresU100
13 Mar 2016Minaskin, GrigoriEST1/2LWCupBuenos AiresU100
13 Mar 2016Baccino, OrlandoARG1/4WWCupBuenos AiresU100
6 Mar 2016Corrêa, LucianoBRA3/5LWCupLimaU100
6 Mar 2016Tadehara, AjaxUSA5/7WWCupLimaU100
6 Mar 2016Gviniashvili, BekaGEO1/4LWCupLimaU100
14 Nov 2015Schuurmans, ElijahAUS1/8LWCupWollongongU100
29 Aug 2015Rakov, MaximKAZ1/32LWChAstanaU100
11 Apr 2015Schuurmans, ElijahAUSpouleWOCNouvelleU100
11 Apr 2015Didier, DukeAUSpouleWOCNouvelleU100
22 Mar 2015Corrêa, LucianoBRAfinalLWCupBuenos AiresU100
22 Mar 2015Deschenes, MarcCAN1/2WWCupBuenos AiresU100
22 Mar 2015San Martin, AlejandroESP1/4WWCupBuenos AiresU100
22 Mar 2015Buechel, DavidLIE1/8WWCupBuenos AiresU100
15 Mar 2015Garcia, SergioMEX3/5WWCupMontevideoU100
15 Mar 2015Corrêa, LucianoBRA1/2LWCupMontevideoU100
15 Mar 2015Tadehara, AjaxUSA1/4WWCupMontevideoU100
15 Mar 2015Baccino, OrlandoARG1/8WWCupMontevideoU100
8 Mar 2015Bueno, ManuelURU3/5WWCupSantiagoU100
8 Mar 2015Buzacarini, RafaelBRA1/2LWCupSantiagoU100
8 Mar 2015Deschenes, MarcCAN1/4WWCupSantiagoU100
15 Nov 2014Didier, DukeAUSfinalWWCupWollongongU100
15 Nov 2014Schuurmans, ElijahAUS1/2WWCupWollongongU100
26 Jul 2014Didier, DukeAUS3/5WCWGGlasgowU100
26 Jul 2014Burton, EuanGBR1/2LCWGGlasgowU100
26 Jul 2014Pathania, SahilIND1/4WCWGGlasgowU100
13 Jul 2014Ardizio, LucaITA5/7LECupSindelfingenU100
13 Jul 2014Kronberger, ChristophAUT1/4LECupSindelfingenU100
13 Jul 2014Gerzer, DominikGER1/8WECupSindelfingenU100
13 Jul 2014Saginadze, ArchilGEO1/16WECupSindelfingenU100
27 Apr 2014Slyfield, TimothyNZLfinalWOCAucklandU100
27 Apr 2014Desfour, RomainPYF1/2WOCAucklandU100
16 Nov 2013Slyfield, TimothyNZLfinalWWCupApiaU100
16 Nov 2013Tadehara, AjaxUSApouleWWCupApiaU100
16 Nov 2013Schuurmans, ElijahAUSpouleWWCupApiaU100
1 Sep 2013Shichinohe, RyuJPN1/8LWTCRio de JaneiroO90
31 Aug 2013Sayidov, RamziddinUZB1/16LWChRio de JaneiroU100
31 Aug 2013Merlin, JoseECU1/32WWChRio de JaneiroU100
14 Apr 2013Slyfield, TimothyNZLfinalWOCApiaU100
14 Apr 2013Poiveka, Jean-LucNCL1/2WOCApiaU100
16 Nov 2012Slyfield, TimothyNZLfinalLWCupApiaU100
16 Nov 2012Dahl, JoshAUS1/2WWCupApiaU100
16 Nov 2012Schuurmans, ElijahAUS1/4WWCupApiaU100
29 Apr 2012Kelly, DanielAUSfinalLOCCairnsU100
29 Apr 2012Broadhead, BenAUS1/2WOCCairnsU100
26 Feb 2012Pacek, MartinSWE1/32LWCupPragueU100
19 Feb 2012Rakov, MaximKAZ1/16LGPDüsseldorfU100
12 Feb 2012Fikri, AdilMAR1/32LWCupOberwartU100
5 Feb 2012Corrêa, LucianoBRA1/16LGSLParisU100
29 Jan 2012Arakelyan, HakobARM1/8LWCupTbilisiU100
12 Nov 2011Vashkulat, KyleUSA3/5LWCupApiaU100
12 Nov 2011Higashi, ShintaroUSA5/7WWCupApiaU100
12 Nov 2011Bloshenko, ArtemUKR1/4LWCupApiaU100
12 Nov 2011Tadehara, AjaxUSA1/8WWCupApiaU100
9 Oct 2011Luchyn, DmytroUKR5/7LWCupBakuU100
9 Oct 2011Zhorzholiani, LevanGEO1/4LWCupBakuU100
9 Oct 2011Minaskin, GrigoriEST1/8WWCupBakuU100
9 Oct 2011Aouidate, SidéFRA1/8WWCupBakuU100
2 Oct 2011Resko, ViktorsLAT1/8LWCupLiverpoolU100
27 Aug 2011Zeevi, ArielISR1/32LWChParisU100
12 Jun 2011Tomchuk, AndreyRUS1/8LWCupTallinnU100
5 Jun 2011Mekic, AmelBIH5/7LWCupBucharestU100
5 Jun 2011Leite, LeonardoBRA1/4LWCupBucharestU100
5 Jun 2011Abdel Raof, MohamedEGY1/8WWCupBucharestU100
29 May 2011Denysov, VyacheslavUKR1/16LGSLMoscowU100
17 Apr 2011Kelly, DanielAUSfinalLOCPapeeteU100
17 Apr 2011Didier, DukeAUS1/2WOCPapeeteU100
20 Feb 2011Battulga, TemuulenMGL1/16LGPDüsseldorfU100
13 Feb 2011Sasson, OrISR1/32LWCupBudapestU100
6 Feb 2011Farkas, Bálint IstvánHUN1/32LGSLParisU100
30 Jan 2011Mammadov, SainAZE1/8LWCupTbilisiU100
13 Nov 2010Kelly, DanielAUSfinalLWCupApiaU100
13 Nov 2010Didier, DukeAUS1/2WWCupApiaU100
13 Nov 2010Mataeliga, PaselioSAM1/4WWCupApiaU100
13 Sep 2010Shah, Hussain ShahPAK1/32LWChTokyoOpenM
9 Sep 2010Grol, HenkNED1/16LWChTokyoU100
9 Sep 2010Yahata, KenjiPHI1/32WWChTokyoU100
15 Aug 2010Kelly, DanielAUSfinalLOCCanberraU100
15 Aug 2010Dahl, JoshAUS1/2WOCCanberraU100
14 Nov 2009Didier, DukeAUS3/5WWCupApiaU100
14 Nov 2009Leite, LeonardoBRA1/2LWCupApiaU100
14 Nov 2009Taylor, AlexAUS1/4WWCupApiaU100
12 Jul 2009Higashi, ShintaroUSA5/7LWCupBelo HorizonteU100
12 Jul 2009Leite, LeonardoBRA1/4LWCupBelo HorizonteU100
5 Jul 2009Corrêa, LucianoBRA1/8LGSLRio de JaneiroU100
5 Oct 2008Kurbanov, UtkirUZB1/4LWTCTokyoU100
21 Mar 2008Picard, JérémyPYFfinalWOCChristchurchOpenM
21 Mar 2008Pragnell, AndrewNZL3/5WOCChristchurchU100
21 Mar 2008Gouriou, TevaNCL1/2WOCChristchurchOpenM
21 Mar 2008Davio, RehiaPYF1/4WOCChristchurchOpenM
21 Mar 2008Celotti, MatthewAUS1/4LOCChristchurchU100
21 Mar 2008Fogagnolo, PriscusAUS1/8WOCChristchurchOpenM
Result City Date
5Taipei2019
5Santiago2019
7Cordoba2019
3Lima2019
1Perth2018