Here is a list of Sato's best fights. For a list of Sato's losses, refer to "Rumina Sato Losses".
On December 11, 1999 Rumina Sato faced off against Rafael Cordeiro in a welterweight bout at age 25. He was coming in with a record of 15-3-1 (12), and Cordeiro was 26 years old and with a record of 4-1 (3). Sato stopped Rafael Cordeiro via submission.
On December 14, 2004 Rumina Sato faced off against Katsuya Toida in a welterweight bout at age 30. He was coming in with a record of 22-8-2 (16), and Toida was 27 years old and with a record of 8-4 (2). Sato stopped Katsuya Toida via KO.
On May 30, 2010 Rumina Sato faced off against Ryota Matsune in a lightweight bout at age 36. He was coming in with a record of 26-14-2 (19), and Matsune was 28 years old and with a record of 15-1-1 (3). Sato stopped Ryota Matsune via TKO.
On July 9, 2004 Rumina Sato faced off against Bao Quach in a welterweight bout at age 30. He was coming in with a record of 21-8-2 (15), and Quach was 24 years old and with a record of 6-6 (1). Sato stopped Bao Quach via submission.
On April 15, 2000 Rumina Sato faced off against Yves Edwards in a welterweight bout at age 26. He was coming in with a record of 16-3-1 (13), and Edwards was 23 years old and with a record of 9-3 (8). Sato stopped Yves Edwards via submission.
On June 27, 2003 Rumina Sato faced off against Ryan Ackerman in a welterweight bout at age 29. He was coming in with a record of 19-7-2 (14). Sato stopped Ryan Ackerman via submission.
On August 27, 2000 Rumina Sato faced off against Takuya Kuwabara in a welterweight bout at age 26. He was coming in with a record of 17-3-1 (13). Sato won the fight via 2-round unanimous decision.
On March 11, 2005 Rumina Sato fought Makoto Ishikawa in a lightweight title fight for Ishikawa's Shooto Pacific Rim Championship title. Sato was 31 years old and with a record of 23-8-2 (16), and Ishikawa was 30 years old and with a record of 11-5-1 (3). Sato won the fight via 3-round unanimous decision and is crowned the new lightweight world champion.
On April 26, 1998 Rumina Sato faced off against Michael Buell at age 24. He was coming in with a record of 12-1-1 (9). Sato stopped Michael Buell via submission.
On March 16, 2007 Rumina Sato faced off against Augusto Frota in a lightweight bout at age 33. He was coming in with a record of 24-10-2 (17). Sato stopped Augusto Frota via TKO.
