Yuichiro Nagashima has three losses against three opponents on his MMA record. For a list of Nagashima's best fights, refer to "Best fights of Yuichiro Nagashima".
On December 31, 2015 Yuichiro Nagashima faced off against Andy Souwer at age 31. He was coming in with a record of 4-3 (4), and Souwer was 33 years old and with a record of . Nagashima lost the fight via 1st-round KO.
On November 18, 2006 Yuichiro Nagashima faced off against Hiroshi Shiba at age 22. He was coming in with a record of 4-2 (4). Nagashima lost the fight via 2-round unanimous decision.
On August 27, 2005 Yuichiro Nagashima faced off against Satoru Takadaya at age 21. He was coming in with a record of 0-1 (0). Nagashima lost the fight via 1st-round submission.