Rene Rooze has four losses against four opponents on his MMA record. For a list of Rooze's best fights, refer to "Best fights of Rene Rooze".
On October 9, 2005 Rene Rooze faced off against Alexander Emelianenko at age 36. He was coming in with a record of 5-4 (5), and Emelianenko was 24 years old and with a record of 6-1 (4). Rooze lost the fight via 1st-round KO.
On May 22, 2004 Rene Rooze faced off against Josh Barnett at age 35. He was coming in with a record of 5-3 (5), and Barnett was 26 years old and with a record of 17-1 (14). Rooze lost the fight via 1st-round TKO.
On March 5, 2000 Rene Rooze faced off against Heath Herring at age 31. He was coming in with a record of 2-2 (2), and Herring was 22 years old and with a record of 12-4 (12). Rooze lost the fight via 1-round disqualification.
On April 20, 1995 Rene Rooze faced off against Enson Inoue at age 26. He was coming in with a record of 1-1 (1), and Inoue was 28 years old and with a record of 1-0 (1). Rooze lost the fight via 1st-round submission.