Antoni Hardonk has six losses against six opponents on his MMA record. For a list of Hardonk's best fights, refer to "Best fights of Antoni Hardonk".
On October 24, 2009 Antoni Hardonk faced off against Pat Barry at age 33. He was coming in with a record of 8-6 (8), and Barry was 30 years old and with a record of 4-1 (4). Hardonk lost the fight via 2nd-round TKO.
On April 18, 2009 Antoni Hardonk faced off against Cheick Kongo at age 33. He was coming in with a record of 8-5 (8), and Kongo was 33 years old and with a record of 13-4-1 (10). Hardonk lost the fight via 2nd-round TKO.
On August 25, 2007 Antoni Hardonk faced off against Frank Mir at age 31. He was coming in with a record of 5-4 (5), and Mir was 28 years old and with a record of 9-3 (5). Hardonk lost the fight via 1st-round submission.
On April 5, 2007 Antoni Hardonk faced off against Justin McCully at age 31. He was coming in with a record of 5-3 (5), and McCully was 31 years old and with a record of 8-3-2 (6). Hardonk lost the fight via 3-round unanimous decision.
On May 22, 2004 Antoni Hardonk faced off against Claudineney Kozan at age 28. He was coming in with a record of 2-2 (2). Hardonk lost the fight via 2-round unanimous decision.
On December 5, 2003 Antoni Hardonk faced off against Grzegorz Jakubowski at age 27. He was coming in with a record of 2-1 (2). Hardonk lost the fight via 2-round unanimous decision.
