On August 7, 2010, a 32-year-old Andreas Kotelnik (31-3-1, 13 KOs) got a shot at the super-lightweight WBC and IBF title held by 23-year-old American boxer Devon Alexander (20-0, 13 KOs).
Kotelnik came in to the fight on a 1-fight losing streak with a 37% KO rate, and was fighting after a gap of 1 year and 20 days. Alexander was on a 20-fight win streak with a 65% KO rate, and fighting after a layoff of 5 months and 1 day.
Devon Alexander defeated Andreas Kotelnik via unanimous decision and successfully defended his WBC and IBF super-lightweight titles. Alexander improves his record to 21-0, while Kotelnik adds a loss to his record at 31-4-1.
On July 18, 2009, the 31-year-old WBA super-lightweight world champion, Andreas Kotelnik (31-2-1, 13 KOs), faced a 22-year-old British boxer Amir Khan (20-1, 15 KOs), in a title defense fight.
Kotelnik came in to the fight on a 4-fight win streak with a 38% KO rate, and was fighting after a gap of 5 months and 11 days. Khan was on a 2-fight win streak with a 71% KO rate, and fighting after a layoff of 4 months and 4 days.
Amir Khan defeated Andreas Kotelnik via unanimous decision and wins the WBA title — in his first world-title fight. Khan improves his record to 21-1, while Kotelnik adds a loss to his record at 31-3-1.
On July 9, 2005, a 27-year-old Andreas Kotelnik (24-1, 11 KOs) and a 31-year-old British boxer Junior Witter (31-1-2, 19 KOs) met in the ring in a super-lightweight bout.
Kotelnik came in to the fight on a 1-fight win streak with a 44% KO rate, and was fighting after a gap of 4 months and 24 days. Witter was on a 16-fight win streak with a 55% KO rate, and fighting after a layoff of 4 months and 20 days.
Junior Witter defeated Andreas Kotelnik via unanimous decision in the 12-round super-lightweight fight. Witter improves his record to 32-1-2, while Kotelnik adds a loss to his record at 24-2.
On October 21, 2004, a 26-year-old Andreas Kotelnik (23-0, 11 KOs) and Souleymane M'baye met in the ring.
Kotelnik came in to the fight on a 23-fight win streak with a 47% KO rate, and was fighting after a gap of 3 months and 29 days.
Andreas Kotelnik lost to Souleymane M'baye via split decision in the 12-round fight, and adds an loss to his record at 23-1.