Here is a list of Ishii's best fights. For a list of Ishii's losses, refer to "Satoshi Ishii Losses".
On December 31, 2013 Satoshi Ishii faced off against Kazuyuki Fujita in a heavyweight bout at age 27. He was coming in with a record of 11-2-1 (4), and Fujita was 43 years old and with a record of 15-9 (12). Ishii won the fight via 3-round unanimous decision.
On February 23, 2013 Satoshi Ishii faced off against Sean McCorkle in a heavyweight bout at age 26. He was coming in with a record of 6-2-1 (2), and McCorkle was 36 years old and with a record of 19-4 (18). Ishii stopped Sean McCorkle via submission.
On November 8, 2010 Satoshi Ishii faced off against Katsuyori Shibata at age 23. He was coming in with a record of 3-1 (1), and Shibata was 30 years old and with a record of 4-9-1 (3). Ishii stopped Katsuyori Shibata via choke-out.
On March 20, 2013 Satoshi Ishii faced off against Kerry Schall in a heavyweight bout at age 26. He was coming in with a record of 7-2-1 (3), and Schall was 41 years old and with a record of 23-12 (19). Ishii stopped Kerry Schall via submission.
On September 25, 2010 Satoshi Ishii faced off against Ikuhisa Minowa at age 23. He was coming in with a record of 2-1 (1), and Minowa was 34 years old and with a record of 46-30-8 (38). Ishii won the fight via 2-round unanimous decision.
On April 16, 2017 Satoshi Ishii faced off against Heath Herring in a heavyweight bout at age 30. He was coming in with a record of 15-7-1 (6), and Herring was 39 years old and with a record of 28-15 (23). Ishii won the fight via 2-round unanimous decision.
On October 20, 2013 Satoshi Ishii faced off against Jeff Monson in a heavyweight bout at age 26. He was coming in with a record of 10-2-1 (4), and Monson was 42 years old and with a record of 50-15-1 (31). Ishii won the fight via 3-round majority decision.
On May 26, 2013 Satoshi Ishii faced off against Pedro Rizzo in a heavyweight bout at age 26. He was coming in with a record of 8-2-1 (3), and Rizzo was 39 years old and with a record of 19-10 (15). Ishii won the fight via 3-round unanimous decision.
On December 31, 2010 Satoshi Ishii faced off against Jérôme Le Banner at age 24. He was coming in with a record of 4-1 (1), and Banner was 38 years old and with a record of 3-1 (3). Ishii won the fight via 3-round unanimous decision.
On December 31, 2012 Satoshi Ishii faced off against Tim Sylvia in a heavyweight bout at age 26. He was coming in with a record of 5-2-1 (1), and Sylvia was 36 years old and with a record of 31-7 (24). Ishii won the fight via 3-round unanimous decision.