is a Japanese motorcycle racer who competes in the Asia Road Racing Championship for Team Tatara Aprilia, aboard an RSV4 1100. He has previously competed in various classes of the All Japan Road Race Championship such as JSB1000, GP250, and J-GP2—where he clinched a title in 2012.
Career statistics Grand Prix motorcycle racing By season SeasonClassMotorcycleTeamRaceWinPodiumPoleFLapPtsPlcd 250cc Yamaha RT Morinokumasan-Satohjuku 0 0 0 0 0 0 NC 250cc Yamaha Bardral Racing with SJ-R 1 0 0 0 0 2 28th Moto2 Suter Racing Team Germany 4 0 0 0 0 0 NC MotoGP Suzuki Team Suzuki Ecstar 1 0 0 0 0 0 31st Total 6 0 0 0 0 2
Races by year (key) (Races in bold indicate pole position; races in italics indicate fastest lap) Year Class Bike 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Pos Pts 2008 250cc Yamaha QAT SPA POR CHN FRA ITA CAT GBR NED GER CZE RSM INP JPNDNS AUS MAL VAL NC 0 2009 250cc Yamaha QAT JPN14 SPA FRA ITA CAT NED GER GBR CZE INP RSM POR AUS MAL VAL 28th 2 2010 Moto2 Suter QAT SPA FRA ITA GBR NED CAT GER CZE INP RSM ARA25 JPN25 MAL25 AUS32 POR VAL NC 0 MotoGP Suzuki QAT INA ARG AME POR SPA FRA ITA CAT GER NED GBR AUT RSM21 ARA JPN THA AUS MAL VAL 31st 0
Supersport World Championship Races by year (key) (Races in bold indicate pole position; races in italics indicate fastest lap) Year Bike 1 2 3 4 5 6 7 8 9 10 11 12 Pos Pts 2017 Kawasaki AUS8 THA9 SPA15 NEDRet ITARet GBR15 ITA12 GER20 PORRet FRARet SPA22 QATRet 20th 21
FIM Endurance World Championship By team Year Team Bike Rider 2022 Yoshimura Suzuki Endurance Racing Team Suzuki GSX-R1000 Gregg Blaxk Sylvain Guintoli Xavier Siméon Kazuki Watanabe 2nd
FIM Endurance World Cup Year Team Bike Tyre Rider 2025 Team Étoile BMW S1000RR Hikari Okubo Kazuki Watanabe Motoharu Ito Kyosuke Okuda 86 5th Source:
Suzuka 8 Hours results Year Class Team Co-riders Bike PosClass 2025 SST Team Étoile Hikari Okubo Motoharu Ito BMW S1000RR16th 1st 2026 SST Team Tatara Aprilia Ruka Wada Akito Haga Aprilia RSV4 1100 Factory15th2nd
Asia Road Racing Championship Races by year (key) (Races in bold indicate pole position; races in italics indicate fastest lap) Year Bike 1 2 3 4 5 6 Pos Pts R1 R2 R1 R2 R1 R2 R1 R2 R1 R2 R1 R2 2026 Aprilia SEP SEP CHA CHA MOT MOT MAN MAN SEP SEP CHA CHA 10th* 37*
Personal life On January 21, 2026, he announced his marriage to former SKE48 member, talent, and fellow motorcycle racer Madoka Umemoto.
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