Ramon Dekkers has one loss against one opponent on his MMA record. For a list of Dekkers's best fights, refer to "Best fights of Ramon Dekkers".
On March 26, 2005 Ramon Dekkers faced off against Genki Sudo at age 35. He was coming in with a record of 0-1 (0), and Sudo was 27 years old and with a record of 11-3-1 (9). Dekkers lost the fight via 1st-round submission.