On December 3, 2017, a 38-year-old Kassim Ouma (29-10-1, 18 KOs) and Ilias Essaoudi met in the ring.
Ouma came in to the fight on a 1-fight losing streak with a 45% KO rate, and was fighting after a gap of 1 year, 3 months, and 13 days.
Kassim Ouma lost to Ilias Essaoudi via unanimous decision in the 8-round fight, and adds an loss to his record at 29-11-1.
On August 20, 2016, a 37-year-old Kassim Ouma (29-9-1, 18 KOs) and a 26-year-old Polish boxer Kamil Szeremeta (13-0, 2 KOs) met in the ring.
Ouma came in to the fight on a 1-fight win streak with a 46% KO rate, and was fighting after a gap of 3 months and 29 days. Szeremeta was on a 13-fight win streak with a 15% KO rate, and fighting after a layoff of 6 months.
Kamil Szeremeta defeated Kassim Ouma via unanimous decision in the 10-round fight. Szeremeta improves his record to 14-0, while Ouma adds a loss to his record at 29-10-1.
On November 29, 2015, a 36-year-old Kassim Ouma (28-8-1, 17 KOs) and Igor Selivanov met in the ring.
Ouma came in to the fight on a 1-fight win streak with a 45% KO rate, and was fighting after a gap of 1 year, 11 months, and 18 days.
Kassim Ouma lost to Igor Selivanov via unanimous decision in the 8-round fight, and adds an loss to his record at 28-9-1.
On June 17, 2011, a 32-year-old Kassim Ouma (27-7-1, 17 KOs) got a shot at the middleweight WBA (Regular) title held by 29-year-old Kazakhstani boxer Gennady Golovkin (20-0, 17 KOs).
Ouma came in to the fight on a 1-fight win streak with a 48% KO rate, and was fighting after a gap of 8 months and 23 days. Golovkin was on a 20-fight win streak with a 85% KO rate, and fighting after a layoff of 6 months and 1 day.
Gennady Golovkin stopped Kassim Ouma via TKO in the 10th round of the 12-round world-title fight, and successfully defended his WBA (Regular) middleweight title. Golovkin improves his record to 21-0 (18 KOs), while Ouma adds a loss to his record at 27-8-1.
On January 16, 2010, a 31-year-old Kassim Ouma (26-6-1, 16 KOs) and a 23-year-old Armenian boxer Vanes Martirosyan (26-0, 17 KOs) met in the ring in a super-welterweight bout.
Ouma came in to the fight on a 1-fight losing streak with a 48% KO rate, and was fighting after a gap of 8 months and 23 days. Martirosyan was on a 26-fight win streak with a 65% KO rate, and fighting after a layoff of 28 days.
Vanes Martirosyan defeated Kassim Ouma via unanimous decision in the 10-round super-welterweight fight. Martirosyan improves his record to 27-0, while Ouma adds a loss to his record at 26-7-1.
On April 24, 2009, a 30-year-old Kassim Ouma (26-5-1, 16 KOs) and a 23-year-old American boxer Gabriel Rosado (11-3, 7 KOs) met in the ring.
Ouma came in to the fight on a 1-fight win streak with a 50% KO rate, and was fighting after a gap of 6 months and 20 days. Rosado was on a 1-fight win streak with a 50% KO rate, and fighting after a layoff of 20 days.
Gabriel Rosado defeated Kassim Ouma via split decision in the 10-round fight. Rosado improves his record to 12-3, while Ouma adds a loss to his record at 26-6-1.
On March 28, 2008, a 29-year-old Kassim Ouma (25-4-1, 15 KOs) and a 34-year-old American boxer Cornelius Bundrage (27-3, 16 KOs) met in the ring.
Ouma came in to the fight on a 2-fight losing streak with a 50% KO rate, and was fighting after a gap of 4 months and 26 days. Bundrage was on a 1-fight win streak with a 53% KO rate, and fighting after a layoff of 5 months and 2 days.
Cornelius Bundrage defeated Kassim Ouma via unanimous decision in the 10-round fight. Bundrage improves his record to 28-3, while Ouma adds a loss to his record at 25-5-1.
On November 2, 2007, a 28-year-old Kassim Ouma (25-3-1, 15 KOs) and Saúl Román met in the ring.
Ouma came in to the fight on a 1-fight losing streak with a 51% KO rate, and was fighting after a gap of 10 months and 24 days.
Kassim Ouma lost to Saúl Román via split decision in the 10-round fight, and adds an loss to his record at 25-4-1.
On December 9, 2006, a 27-year-old Kassim Ouma (25-2-1, 15 KOs) got a shot at the middleweight WBC, WBO, and The Ring title held by 28-year-old American boxer Jermain Taylor (25-0-1, 17 KOs).
Ouma came in to the fight on a 4-fight win streak with a 53% KO rate, and was fighting after a gap of 4 months and 4 days. Taylor was on a 0-fight win streak with a 65% KO rate, and fighting after a layoff of 5 months and 22 days.
Jermain Taylor defeated Kassim Ouma via unanimous decision and successfully defended his WBC, WBO, and The Ring middleweight titles. Taylor improves his record to 26-0-1, while Ouma adds a loss to his record at 25-3-1.
On July 14, 2005, the 26-year-old IBF super-welterweight world champion, Kassim Ouma (21-1-1, 13 KOs), faced a 32-year-old Russian boxer Roman Karmazin (33-1-1, 21 KOs), in a title defense fight.
Ouma came in to the fight on a 10-fight win streak with a 56% KO rate, and was fighting after a gap of 5 months and 15 days. Karmazin was on a 4-fight win streak with a 58% KO rate, and fighting after a layoff of 3 months and 12 days.
Roman Karmazin defeated Kassim Ouma via unanimous decision and wins the IBF title — in his first world-title fight. Karmazin improves his record to 34-1-1, while Ouma adds a loss to his record at 21-2-1.
On November 20, 1999, a 20-year-old Kassim Ouma (9-0, 8 KOs) and Agustin Silva met in the ring.
Ouma came in to the fight on a 9-fight win streak with a 88% KO rate, and was fighting after a gap of 5 months and 2 days.
Kassim Ouma lost to Agustin Silva via TKO in the 1st round, and adds an loss to his record at 9-1.