Saburo Kawakatsu has seven losses against seven opponents on his MMA record. For a list of Kawakatsu's best fights, refer to "Best fights of Saburo Kawakatsu".
On November 26, 2006 Saburo Kawakatsu faced off against Takahiro Kajita at age 32. He was coming in with a record of 5-7-1 (1), and Kajita was 30 years old and with a record of 5-3-3 (4). Kawakatsu lost the fight via 1st-round TKO.
On September 12, 2004 Saburo Kawakatsu faced off against Daisuke Sugie at age 30. He was coming in with a record of 5-6-1 (1). Kawakatsu lost the fight via 3-round unanimous decision.
On October 12, 2003 Saburo Kawakatsu faced off against Takashi Nakakura at age 29. He was coming in with a record of 5-5-1 (1), and Nakakura was 26 years old and with a record of 3-0 (2). Kawakatsu lost the fight via 2-round unanimous decision.
On December 15, 2001 Saburo Kawakatsu faced off against Robbie Lawler at age 27. He was coming in with a record of 5-4-1 (1), and Lawler was 19 years old and with a record of 3-0 (3). Kawakatsu lost the fight via 1st-round TKO.
On July 16, 1999 Saburo Kawakatsu faced off against Takuya Wada at age 25. He was coming in with a record of 2-3-1 (0), and Wada was 21 years old and with a record of . Kawakatsu lost the fight via 2-round majority decision.
On August 29, 1998 Saburo Kawakatsu faced off against Hiroyuki Kojima at age 24. He was coming in with a record of 1-2 (0). Kawakatsu lost the fight via 2-round unanimous decision.
On March 30, 1996 Saburo Kawakatsu faced off against Sanae Kikuta at age 21. He was coming in with a record of 0-1 (0), and Kikuta was 24 years old and with a record of . Kawakatsu lost the fight via 1st-round submission.