Seo Hee Ham has nine losses against eight opponents on her MMA record. For a list of Ham's best fights, refer to "Best fights of Seo Hee Ham".
On September 30, 2023 Seo Hee Ham fought Stamp Fairtex in a atomweight title fight for the ONE Women's Championship title. Ham was 36 years old and with a record of 26-9 (7), and Fairtex was 25 years old and with a record of 10-2 (6). Ham lost the fight via 3rd-round TKO.
On November 27, 2016 Seo Hee Ham faced off against Danielle Taylor in a strawweight bout at age 29. She was coming in with a record of 17-8 (3). Ham lost the fight via 3-round split decision.
On March 20, 2016 Seo Hee Ham faced off against Bec Rawlings in a strawweight bout at age 29. She was coming in with a record of 17-7 (3), and Rawlings was 27 years old and with a record of 6-4 (4). Ham lost the fight via 3-round unanimous decision.
On December 12, 2014 Seo Hee Ham faced off against Joanne Calderwood in a strawweight bout at age 27. She was coming in with a record of 16-6 (3). Ham lost the fight via 3-round unanimous decision.
On December 17, 2011 Seo Hee Ham faced off against Ayaka Hamasaki in a lightweight bout at age 24. She was coming in with a record of 10-5 (1). Ham lost the fight via 1st-round TKO.
On December 17, 2010 Seo Hee Ham faced off against Ayaka Hamasaki in a lightweight bout at age 23. She was coming in with a record of 7-4 (1). Ham lost the fight via 2-round unanimous decision.
On April 25, 2008 Seo Hee Ham faced off against Megumi Fujii in a lightweight bout at age 21. She was coming in with a record of 4-3 (1). Ham lost the fight via 1st-round submission.
On December 26, 2007 Seo Hee Ham faced off against Yuka Tsuji in a lightweight bout at age 20. She was coming in with a record of 3-2 (1). Ham lost the fight via 3-round unanimous decision.
On May 13, 2007 Seo Hee Ham faced off against Miku Matsumoto at age 20. She was coming in with a record of 1-1 (0). Ham lost the fight via 2nd-round submission.
