Masaki (Guts) Jyonai - Career and Success:

Season   Series / Class Standing Team / Car / Races
2017 GT Japanese Super GT Series, Class GT 300
2016 GT Japanese Super GT Series, Class GT 300
2015 GT Japanese Super GT Series, Class GT 300 43.
2014 GT Japanese Super GT Series, Class GT300 50.
2013 GT Japanese Super GT Series, Class GT300
2012 GT Japanese Super GT Series, Class GT300
2011 GT Japanese Super GT Series, Class GT 300
2010 GT Japanese Super GT Series, Class GT 300
2008 GT Japanese Super GT Series, Class GT300
2007 GT Japanese Super GT Series, Class GT300
A&S Racing, Mosler MT900R
(3 of 9 races)
2006 GT Japanese Super GT Series, Class GT300 55.
2005 GT Japanese Super GT Series, Class GT300
2004 GT All-Japan GT Championship, Class GT300 35.
2003 GT All-Japan GT Championship, Class GT300 26.
2002 GT All-Japan GT Championship, Class GT300 23.
2001 GT All-Japan GT Championship, Class GT300 25.
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
  Japanese Formula 4 TI
1995   Japanese Formula 4 Suzuka
  Japanese Formula 4 TI
1994   Japanese Formula 4 Suzuka

Legend:

Intermediate standings during the current season are in italics.

Wins and Top6-Point-Positions are marked bold.

When racing in several series in a season the chronologically later participation is always on top.