Ryo Ishikawa
The tournament record is 260 (20 under par), set by Masashi Ozaki in 1995. In 2010, Ryo Ishikawa recorded a Tour record final round of 58 (12 under par) to take the title by five strokes. From 2002 to 2019 the purse was ¥120,000,000 with ￥24,000,000 going to the winner. This was reduced to ¥100,000,000 in 2021.