Uchu Tatsumi has one loss against one opponent on his MMA record. For a list of Tatsumi's best fights, refer to "Best fights of Uchu Tatsumi".
On August 27, 2000 Uchu Tatsumi faced off against Alexandre Franca Nogueira at age 28. He was coming in with a record of 10-1-3 (6), and Nogueira was 22 years old and with a record of 4-0-1 (1). Tatsumi lost the fight via 1st-round submission.