Racing driver

Masaki (Guts) Jyonai

Japan

Career

Season	Level	Series / class	Pos.	Team / car / races
2026	GT	Japanese Super GT Series, Class GT 300		RQs Motorsports, Mercedes-AMG GT3 Evo 1 of 7 races
2025	GT	Japanese Super GT Series, Class GT 300		RQs Motorsports, Mercedes-AMG GT3 Evo 5 of 10 races
2024	GT	Japanese Super GT Series, Class GT 300		RQs Motorsports, Mercedes-AMG GT3 Evo 4 of 8 races
2023	GT	Japanese Super GT Series, Class GT 300		RQs Motorsports, Mercedes-AMG GT3 Evo 8 of 8 races
2022	GT	Japanese Super GT Series, Class GT 300		RQs Motorsports, Mercedes-AMG GT3 Evo 7 of 8 races
2021	GT	Japanese Super GT Series, Class GT 300		RQs Motorsports, Mercedes-AMG GT3 Evo 5 of 8 races
2020	GT	Japanese Super GT Series, Class GT 300		RQs Motorsports, Mercedes-AMG GT3 Evo 7 of 8 races
2019	GT	Japanese Super GT Series, Class GT 300		RQs Motorsports, Mercedes-AMG GT3 6 of 8 races
2018	GT	Japanese Super GT Series, Class GT 300		RQs Motorsports, Mercedes-AMG GT3 6 of 8 races
2017	GT	Japanese Super GT Series, Class GT 300		RQs Motorsports, Mercedes SLS AMG GT3 6 of 8 races
2016	GT	Japanese Super GT Series, Class GT 300		RQs Motorsports, Mercedes SLS AMG GT3 8 of 8 races
2015	GT	Japanese Super GT Series, Class GT 300	43.	RQs Motorsports, Mercedes SLS AMG GT3 7 of 8 races
2014	GT	Japanese Super GT Series, Class GT300	50.	RQs Motorsports, Mercedes SLS AMG GT3 4 of 8 races
2013	GT	Japanese Super GT Series, Class GT300		RQs Motorsports, Mercedes SLS AMG GT3 9 of 9 races
2012	GT	Japanese Super GT Series, Class GT300		RQs Motorsports, Vemac RD350R 7 of 9 races
2011	GT	Japanese Super GT Series, Class GT 300		RQs Motorsports, Vemac RD350R 7 of 9 races
2010	GT	Japanese Super GT Series, Class GT 300		RQs Motorsports, Vemac RD350R 2 of 9 races
2008	GT	Japanese Super GT Series, Class GT300		Arktech Motorsports, Porsche Boxster GT (986) 1 of 9 races Tomei Sports, Porsche 911 GT3-RS (996) 3 of 9 races
2007	GT	Japanese Super GT Series, Class GT300		A&S Racing, Mosler MT900R 3 of 9 races Arktech Motorsports, Porsche Boxster GT (986) 4 of 9 races
2006	GT	Japanese Super GT Series, Class GT300	55.	Arktech Motorsports, Porsche 911 GT3 Cup (996) 5 of 9 races
2005	GT	Japanese Super GT Series, Class GT300		Team Leyjun, Porsche 968 GT4 8 of 8 races
2004	GT	All-Japan GT Championship, Class GT300	35.	Team Gaikokuya, Porsche 911 GT3-RS (996) 3 of 7 races Arktech Motorsports, Porsche 911 GT3-RS (996) 3 of 7 races
2003	GT	All-Japan GT Championship, Class GT300	26.	Sigmatech Racing Team, Toyota MR-S 5 of 8 races
2002	GT	All-Japan GT Championship, Class GT300	23.	Sigmatech Racing Team, Toyota MR-S 7 of 8 races
2001	GT	All-Japan GT Championship, Class GT300	25.	Sigmatech Racing Team, Toyota MR-S 6 of 7 races 1 win
2000		Japanese GT Series, GT300
1999		Japanese GT Series, GT300
1998		Japanese GT Series, GT300
1997		Japanese GT Series, GT300
1996		Japanese Formula 4 Suzuka
1996		Japanese Formula 4 TI
1995		Japanese Formula 4 Suzuka
1995		Japanese Formula 4 TI
1994		Japanese Formula 4 Suzuka

Main series of the season: highest share of races contested; series with few races and single races count less.
1. Positions 1–6 and wins.
Season in progress, provisional standings.