Here is a list of Ishiwatari's best fights. For a list of Ishiwatari's losses, refer to "Shintaro Ishiwatari Losses".
On May 28, 2017 Shintaro Ishiwatari met Rafael Silva in a bantamweight (Pancrase Championship) title defense fight. Ishiwatari was 32 years old and with a record of 22-6-4 (9), and Silva was 32 years old and with a record of 28-5 (21). Ishiwatari won the fight via 3-round unanimous decision and successfully defended his title.
On July 24, 2016 Shintaro Ishiwatari met Jonathan Brookins in a bantamweight (Pancrase Championship) title defense fight. Ishiwatari was 31 years old and with a record of 21-6-4 (9), and Brookins was 30 years old and with a record of 15-7 (12). Ishiwatari won the fight via 3-round unanimous decision and successfully defended his title.
On December 13, 2015 Shintaro Ishiwatari met Victor Henry in a bantamweight (Pancrase Championship) title defense fight. Ishiwatari was 30 years old and with a record of 20-6-4 (9), and Henry was 28 years old and with a record of 11-1 (8). Ishiwatari won the fight via 5-round unanimous decision and successfully defended his title.
On December 31, 2014 Shintaro Ishiwatari faced off against Takafumi Otsuka in a bantamweight bout at age 29. He was coming in with a record of 19-6-4 (9), and Otsuka was 28 years old and with a record of 18-12-1 (6). Ishiwatari stopped Takafumi Otsuka via TKO.
On July 28, 2019 Shintaro Ishiwatari faced off against Ulka Sasaki in a bantamweight bout at age 34. He was coming in with a record of 26-7-4 (11), and Sasaki was 29 years old and with a record of 22-6-2 (13). Ishiwatari stopped Ulka Sasaki via submission.
On May 30, 2010 Shintaro Ishiwatari faced off against Wataru Miki in a featherweight bout at age 25. He was coming in with a record of 7-3-3 (4), and Miki was 29 years old and with a record of 17-9-2 (9). Ishiwatari won the fight via 2-round majority decision.
On March 11, 2011 Shintaro Ishiwatari faced off against Tashiro Nishiuchi in a bantamweight bout at age 26. He was coming in with a record of 10-4-3 (6). Ishiwatari won the fight via 3-round unanimous decision.
On December 31, 2017 Shintaro Ishiwatari faced off against Takafumi Otsuka in a bantamweight bout at age 32. He was coming in with a record of 25-6-4 (10), and Otsuka was 31 years old and with a record of 24-13-2 (8). Ishiwatari won the fight via 3-round unanimous decision.
On February 2, 2014 Shintaro Ishiwatari met Yo Saito in a bantamweight (Pancrase Championship) title defense fight. Ishiwatari was 28 years old and with a record of 17-5-4 (7). Ishiwatari won the fight via 3-round unanimous decision and successfully defended his title.
On December 3, 2011 Shintaro Ishiwatari fought Manabu Inoue in a bantamweight title fight for Inoue's Pancrase Championship title. Ishiwatari was 26 years old and with a record of 12-4-4 (6). Ishiwatari won the fight via 3-round majority decision and is crowned the new Pancrase bantamweight champion.