Bas Rutten has four losses against three opponents on his MMA record. For a list of Rutten's best fights, refer to "Best fights of Bas Rutten".
On March 10, 1995 Bas Rutten fought Ken Shamrock in a null title fight for Shamrock's Pancrase Openweight Championship title. Rutten was 30 years old and with a record of 7-4 (6), and Shamrock was 31 years old and with a record of 16-3 (14). Rutten lost the fight via 1st-round submission.
On December 16, 1994 Bas Rutten faced off against Frank Shamrock at age 29. He was coming in with a record of 6-3 (6), and Shamrock was 22 years old and with a record of . Rutten lost the fight via 1-round majority decision.
On July 26, 1994 Bas Rutten faced off against Ken Shamrock at age 29. He was coming in with a record of 5-2 (5), and Shamrock was 30 years old and with a record of 7-2 (6). Rutten lost the fight via 1st-round submission.
On January 19, 1994 Bas Rutten faced off against Masakatsu Funaki at age 28. He was coming in with a record of 2-1 (2), and Funaki was 24 years old and with a record of 3-1 (3). Rutten lost the fight via 1st-round submission.
