Here is a list of Okazaki's best fights. For a list of Okazaki's losses, refer to "Koetsu Okazaki Losses".
On October 18, 2009 Koetsu Okazaki faced off against Hiromasa Ougikubo at age 30. He was coming in with a record of 6-1-1 (1), and Ougikubo was 22 years old and with a record of 6-0-2 (3). Okazaki stopped Hiromasa Ougikubo via TKO.
On April 29, 2011 Koetsu Okazaki faced off against Shuichiro Katsumura at age 31. He was coming in with a record of 8-1-1 (2), and Katsumura was 34 years old and with a record of 11-8-3 (7). Okazaki stopped Shuichiro Katsumura via TKO.
On July 19, 2010 Koetsu Okazaki faced off against Tetsu Suzuki at age 31. He was coming in with a record of 7-1-1 (1). Okazaki won the fight via 3-round unanimous decision.
On September 12, 2004 Koetsu Okazaki faced off against Takahiro Hosoi at age 25. He was coming in with a record of 2-0 (0). Okazaki won the fight via 2-round majority decision.
On November 4, 2006 Koetsu Okazaki faced off against So Tazawa at age 27. He was coming in with a record of 4-0-1 (0). Okazaki won the fight via 3-round unanimous decision.
On April 11, 2004 Koetsu Okazaki faced off against Takao Tamura at age 24. He was coming in with a record of 1-0 (0). Okazaki won the fight via 2-round unanimous decision.
On May 18, 2007 Koetsu Okazaki faced off against Atsushi Yamamoto at age 27. He was coming in with a record of 5-0-1 (0). Okazaki won the fight via 3-round majority decision.
On July 11, 2014 Koetsu Okazaki faced off against Yusup Saadulaev in a bantamweight bout at age 35. He was coming in with a record of 10-3-1 (4). Okazaki stopped Yusup Saadulaev via TKO.
