On October 7, 2011, a 38-year-old Roman Karmazin (40-4-2, 26 KOs) and a 30-year-old Ghanaian boxer Osumanu Adama (19-2, 14 KOs) met in the ring.
Karmazin came in to the fight on a 1-fight losing streak with a 55% KO rate, and was fighting after a gap of 11 months and 7 days. Adama was on a 2-fight win streak with a 66% KO rate, and fighting after a layoff of 6 months and 12 days.
Osumanu Adama stopped Roman Karmazin via TKO in the 9th round. Adama improves his record to 20-2 (15 KOs), while Karmazin adds a loss to his record at 40-5-2.
On October 31, 2010, a 37-year-old Roman Karmazin (40-3-2, 26 KOs) and a 29-year-old Australian boxer Daniel Geale (23-1, 14 KOs) met in the ring.
Karmazin came in to the fight after a draw in his last fight with a 56% KO rate, and was fighting after a gap of 4 months and 26 days. Geale was on a 2-fight win streak with a 58% KO rate, and fighting after a layoff of 4 months and 29 days.
Daniel Geale stopped Roman Karmazin via TKO in the 12th round. Geale improves his record to 24-1 (15 KOs), while Karmazin adds a loss to his record at 40-4-2.
On January 19, 2008, a 35-year-old Roman Karmazin (36-2-1, 23 KOs) and Alex Bunema met in the ring in a super-welterweight bout.
Karmazin came in to the fight on a 2-fight win streak with a 57% KO rate, and was fighting after a gap of 1 month and 27 days.
Roman Karmazin lost to Alex Bunema via TKO in the 10th round, and adds an loss to his record at 36-3-1.
On July 8, 2006, the 33-year-old IBF super-welterweight world champion, Roman Karmazin (34-1-1, 21 KOs), faced a 28-year-old American boxer Cory Spinks (34-3, 11 KOs), in a title defense fight.
Karmazin came in to the fight on a 5-fight win streak with a 56% KO rate, and was fighting after a gap of 11 months and 24 days. Spinks was on a -1-fight win streak with a 29% KO rate, and fighting after a layoff of 1 year, 5 months, and 3 days.
Cory Spinks defeated Roman Karmazin via majority decision and wins the IBF title. Spinks improves his record to 35-3, while Karmazin adds a loss to his record at 34-2-1.
On July 12, 2002, a 29-year-old Roman Karmazin (29-0-1, 18 KOs) and a 34-year-old Spanish boxer Javier Castillejo (53-5, 36 KOs) met in the ring in a super-welterweight bout.
Karmazin came in to the fight on a 25-fight win streak with a 60% KO rate, and was fighting after a gap of 3 months and 2 days. Castillejo was on a 2-fight win streak with a 62% KO rate, and fighting after a layoff of 2 months and 16 days.
Javier Castillejo defeated Roman Karmazin via unanimous decision in the 12-round super-welterweight fight. Castillejo improves his record to 54-5, while Karmazin adds a loss to his record at 29-1-1.