Rumina Sato has 17 losses against 16 opponents on his MMA record. For a list of Sato's best fights, refer to "Best fights of Rumina Sato".
On December 24, 2012 Rumina Sato faced off against Hideo Tokoro in a lightweight bout at age 38. He was coming in with a record of 26-17-2 (19), and Tokoro was 35 years old and with a record of 30-25-2 (21). Sato lost the fight via 1st-round TKO.
On November 5, 2011 Rumina Sato faced off against Nico Verresen in a lightweight bout at age 37. He was coming in with a record of 26-16-2 (19). Sato lost the fight via 1st-round KO.
On July 18, 2011 Rumina Sato faced off against Masakatsu Ueda in a lightweight bout at age 37. He was coming in with a record of 26-15-2 (19). Sato lost the fight via 1st-round TKO.
On May 10, 2009 Rumina Sato faced off against Takeshi Inoue in a lightweight bout at age 35. He was coming in with a record of 24-14-2 (17), and Inoue was 29 years old and with a record of 8-10 (6). Sato lost the fight via 1st-round TKO.
On November 29, 2008 Rumina Sato faced off against Hatsu Hioki in a lightweight bout at age 34. He was coming in with a record of 24-13-2 (17), and Hioki was 25 years old and with a record of 16-3-2 (9). Sato lost the fight via 1st-round TKO.
On May 3, 2008 Rumina Sato faced off against Akitoshi Tamura in a lightweight bout at age 34. He was coming in with a record of 24-12-2 (17), and Tamura was 27 years old and with a record of 12-6-2 (4). Sato lost the fight via 3rd-round submission.
On September 22, 2007 Rumina Sato faced off against Hideki Kadowaki in a lightweight bout at age 33. He was coming in with a record of 24-11-2 (17), and Kadowaki was 31 years old and with a record of 11-7-2 (5). Sato lost the fight via 1st-round submission.
On February 17, 2006 Rumina Sato faced off against Antonio Carvalho in a lightweight bout at age 32. He was coming in with a record of 23-10-2 (16), and Carvalho was 26 years old and with a record of 8-1 (7). Sato lost the fight via 2nd-round TKO.
On August 20, 2005 Rumina Sato faced off against Gilbert Melendez in a lightweight bout at age 31. He was coming in with a record of 23-9-2 (16), and Melendez was 23 years old and with a record of 7-0 (6). Sato lost the fight via 1st-round TKO.
On December 14, 2003 Rumina Sato faced off against Alexandre Franca Nogueira in a welterweight bout at age 29. He was coming in with a record of 19-8-2 (14), and Nogueira was 25 years old and with a record of 9-2-2 (4). Sato lost the fight via 1st-round submission.
On March 18, 2003 Rumina Sato faced off against Joachim Hansen in a welterweight bout at age 29. He was coming in with a record of 18-7-2 (13), and Hansen was 23 years old and with a record of 4-1-1 (2). Sato lost the fight via 1st-round TKO.
On June 29, 2002 Rumina Sato faced off against Javier Vazquez in a welterweight bout at age 28. He was coming in with a record of 18-6-1 (13), and Vazquez was 25 years old and with a record of 7-1 (6). Sato lost the fight via 3-round unanimous decision.
On December 16, 2001 Rumina Sato fought Takanori Gomi in a welterweight title fight for Gomi's Shooto World title. Sato was 27 years old and with a record of 18-5-1 (13), and Gomi was 23 years old and with a record of 9-0 (3). Sato lost the fight via 3-round unanimous decision.
On December 17, 2000 Rumina Sato fought Caol Uno in a welterweight title fight for Uno's Shooto World title. Sato was 26 years old and with a record of 17-4-1 (13), and Uno was 25 years old and with a record of 11-3-2 (6). Sato lost the fight via 1st-round KO.
On May 29, 1999 Rumina Sato fought Caol Uno in a welterweight title fight for Uno's Shooto World title. Sato was 25 years old and with a record of 13-3-1 (10), and Uno was 24 years old and with a record of 8-2-1 (4). Sato lost the fight via 3rd-round submission.
On October 25, 1998 Rumina Sato faced off against André Pederneiras at age 24. He was coming in with a record of 12-2-1 (9), and Pederneiras was 31 years old and with a record of . Sato lost the fight via 1st-round KO.
On March 1, 1998 Rumina Sato faced off against Joel Gerson at age 24. He was coming in with a record of 11-1-1 (8). Sato lost the fight via 1st-round choke-out.
