Yui Chul Nam has nine losses against eight opponents on his MMA record. For a list of Nam's best fights, refer to "Best fights of Yui Chul Nam".
On September 28, 2024 Yui Chul Nam faced off against Park Eoh-jin in a lightweight bout at age 43. He was coming in with a record of 20-9-1 (10). Nam lost the fight via 1st-round KO.
On July 15, 2017 Yui Chul Nam faced off against Tom Santos in a lightweight bout at age 35. He was coming in with a record of 18-8-1 (9). Nam lost the fight via 1st-round KO.
On April 15, 2017 Yui Chul Nam faced off against Tom Santos in a lightweight bout at age 35. He was coming in with a record of 18-7-1 (9). Nam lost the fight via 2nd-round TKO.
On November 28, 2015 Yui Chul Nam faced off against Mike De La Torre in a featherweight bout at age 34. He was coming in with a record of 18-6-1 (9), and De La Torre was 29 years old and with a record of 13-5 (12). Nam lost the fight via 3-round split decision.
On May 16, 2015 Yui Chul Nam faced off against Phillipe Nover in a featherweight bout at age 33. He was coming in with a record of 18-5-1 (9), and Nover was 31 years old and with a record of 10-5-1 (6). Nam lost the fight via 3-round split decision.
On March 30, 2012 Yui Chul Nam faced off against Jadamba Narantungalag in a lightweight bout at age 30. He was coming in with a record of 13-4-1 (8), and Narantungalag was 36 years old and with a record of 7-2 (4). Nam lost the fight via 2nd-round submission.
On January 27, 2011 Yui Chul Nam faced off against Adrian Pang in a welterweight bout at age 29. He was coming in with a record of 10-3-1 (7). Nam lost the fight via 3-round split decision.
On April 29, 2009 Yui Chul Nam faced off against Dave Jansen in a welterweight bout at age 27. He was coming in with a record of 8-2 (6), and Jansen was 29 years old and with a record of 10-0 (7). Nam lost the fight via 2-round unanimous decision.
On November 21, 2008 Yui Chul Nam faced off against Mikhail Malyutin in a welterweight bout at age 27. He was coming in with a record of 8-1 (6). Nam lost the fight via 2-round majority decision.