Thomas Damgaard has one loss against one opponent on his boxing record. For a list of Damgaard's best fights, refer to "Best fights of Thomas Damgaard".
On January 28, 2006 Thomas Damgaard faced off against Arturo Gatti in a welterweight bout at age 34. He was coming in with a record of 37-1 (27), and Gatti was 33 years old and with a record of 39-7 (30). Damgaard lost the fight via 11th-round TKO.