Bunnam Thammakhun has 11 losses against 11 opponents on his boxing record. For a list of Thammakhun's best fights, refer to "Best fights of Bunnam Thammakhun".
On January 5, 2013 Bunnam Thammakhun faced off against Naoya Inoue at age 35. He was coming in with a record of 9-11 (9), and Inoue was 19 years old and with a record of 1-0 (1). Thammakhun lost the fight via 1st-round KO.
On May 21, 2012 Bunnam Thammakhun faced off against Ivan Soriano at age 35. He was coming in with a record of 9-10 (9). Thammakhun lost the fight via 6-round points decision.
On December 7, 2011 Bunnam Thammakhun faced off against Warlito Parrenas at age 34. He was coming in with a record of 8-9 (8), and Parrenas was 28 years old and with a record of 15-5 (13). Thammakhun lost the fight via 3rd-round TKO.
On October 17, 2011 Bunnam Thammakhun faced off against Jonathan Taconing in a light-flyweight bout at age 34. He was coming in with a record of 8-8 (8). Thammakhun lost the fight via 12-round unanimous decision.
On June 22, 2008 Bunnam Thammakhun faced off against Ryo Miyazaki at age 31. He was coming in with a record of 5-7 (5). Thammakhun lost the fight via 10-round unanimous decision.
On January 5, 2008 Bunnam Thammakhun faced off against Katsunari Takayama at age 30. He was coming in with a record of 5-6 (5). Thammakhun lost the fight via 9th-round TKO.
On November 3, 2007 Bunnam Thammakhun faced off against Toshikazu Waga in a strawweight bout at age 30. He was coming in with a record of 5-5 (5). Thammakhun lost the fight via 12-round unanimous decision.
On February 12, 2007 Bunnam Thammakhun faced off against Junichiro Kaneda at age 30. He was coming in with a record of 4-4 (4). Thammakhun lost the fight via 8-round unanimous decision.
On December 22, 2006 Bunnam Thammakhun faced off against Suriyan Kaikanha at age 29. He was coming in with a record of 4-3 (4). Thammakhun lost the fight via 6-round unanimous decision.
On July 2, 2006 Bunnam Thammakhun faced off against Yukio Wadamine at age 29. He was coming in with a record of 4-2 (4). Thammakhun lost the fight via 8-round majority decision.
On November 11, 2005 Bunnam Thammakhun faced off against Lookrak Kiatmungmee in a strawweight bout at age 28. He was coming in with a record of 3-1 (3). Thammakhun lost the fight via 6th-round TKO.