Here is a list of Karmazin's best fights. For a list of Karmazin's losses, refer to "Roman Karmazin Losses".
On July 14, 2005 Roman Karmazin fought Kassim Ouma in a super-welterweight world-title fight for Ouma's IBF title. Karmazin was 32 years old and with a record of 34-1-1 (21), and Ouma was 26 years old and with a record of 21-1-1 (13). Karmazin won the fight via 12-round unanimous decision and is crowned the new super-welterweight world champion.
On December 20, 2008 Roman Karmazin faced off against Bronco McKart in a middleweight bout at age 35. He was coming in with a record of 37-3-1 (23), and McKart was 37 years old and with a record of 51-8-1 (31). Karmazin won the fight via 12-round unanimous decision.
On April 2, 2005 Roman Karmazin faced off against Keith Holmes in a super-welterweight bout at age 32. He was coming in with a record of 33-1-1 (21), and Holmes was 36 years old and with a record of 39-3 (25). Karmazin won the fight via 12-round majority decision.
On November 23, 2007 Roman Karmazin faced off against Alejandro García in a super-welterweight bout at age 34. He was coming in with a record of 36-2-1 (23), and García was 28 years old and with a record of 25-2 (24). Karmazin stopped Alejandro García via KO.
On April 10, 2002 Roman Karmazin faced off against Sergey Tatevosyan in a super-welterweight bout at age 29. He was coming in with a record of 29-0-1 (18), and Tatevosyan was 29 years old and with a record of 12-2 (9). Karmazin won the fight via 8-round unanimous decision.
On June 13, 2003 Roman Karmazin faced off against Michael Rask in a super-welterweight bout at age 30. He was coming in with a record of 31-1-1 (20). Karmazin stopped Michael Rask via KO.