On February 7, 2009, the 31-year-old WBA super-lightweight world champion, Andreas Kotelnik (30-2-1, 13 KOs), faced a 25-year-old Argentinian boxer Marcos Maidana (25-0, 24 KOs), in a title defense fight.
Kotelnik came in to the fight on a 3-fight win streak with a 39% KO rate, and was fighting after a gap of 4 months and 25 days. Maidana was on a 25-fight win streak with a 96% KO rate, and fighting after a layoff of 3 months and 6 days.
Andreas Kotelnik defeated Marcos Maidana via split decision and successfully defended his WBA super-lightweight title. Kotelnik improves his record to 31-2-1, while Maidana adds a loss to his record at 25-1.
On March 22, 2008, a 30-year-old Andreas Kotelnik (28-2-1, 12 KOs) got a shot at the WBA super-lightweight title held by Gavin Rees.
Kotelnik came in to the fight on a 1-fight win streak with a 38% KO rate, and was fighting after a gap of 9 months and 6 days.
Andreas Kotelnik stopped the champion via TKO in the final round of the 12-round world-title fight, winning the first world title of his career, and is crowned the new WBA super-lightweight champion. Kotelnik improves his record to 29-2-1 (13 KOs)
On September 13, 2008, the 30-year-old WBA super-lightweight world champion, Andreas Kotelnik (29-2-1, 13 KOs), faced Norio Kimura, in a title defense fight.
Kotelnik came in to the fight on a 2-fight win streak with a 40% KO rate, and was fighting after a gap of 5 months and 22 days.
Andreas Kotelnik defeated Norio Kimura via unanimous decision and successfully defended his WBA super-lightweight title. Kotelnik improves his record to 30-2-1
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 March 10, 2007, Andreas Kotelnik and Souleymane M'baye met again in a rematch.
Kotelnik came in to the fight on a 3-fight win streak with a 41% KO rate, and was fighting after a gap of 4 months and 17 days.
The fight ended in a split decision draw and both the fighters added a draw to their respective records — Kotelnik is now 27-2-1.
On November 26, 2005, a 27-year-old Andreas Kotelnik (24-2, 11 KOs) and Muhammad Abdullaev met in the ring in a super-lightweight bout.
Kotelnik came in to the fight on a 1-fight losing streak with a 42% KO rate, and was fighting after a gap of 4 months and 17 days.
Andreas Kotelnik defeated Muhammad Abdullaev via unanimous decision in the 12-round super-lightweight fight. Kotelnik improves his record to 25-2
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 January 5, 2002, a 24-year-old Andreas Kotelnik (8-0, 3 KOs) and Vladimir Varhegyi met in the ring.
Kotelnik came in to the fight on a 8-fight win streak with a 37% KO rate, and was fighting after a gap of 2 months and 2 days.
Andreas Kotelnik stopped Vladimir Varhegyi via TKO in the 2nd round. Kotelnik improves his record to 9-0 (4 KOs)
On May 31, 2003, a 25-year-old Andreas Kotelnik (16-0, 8 KOs) and Zimisele Mpusula met in the ring in a super-lightweight bout.
Kotelnik came in to the fight on a 16-fight win streak with a 50% KO rate, and was fighting after a gap of 1 month and 5 days.
Andreas Kotelnik stopped Zimisele Mpusula via TKO in the 3rd round. Kotelnik improves his record to 17-0 (9 KOs)
On September 7, 2002, a 24-year-old Andreas Kotelnik (12-0, 7 KOs) and Ferenc Szakallas met in the ring.
Kotelnik came in to the fight on a 12-fight win streak with a 58% KO rate, and was fighting after a gap of .
Andreas Kotelnik stopped Ferenc Szakallas via TKO in the 2nd round. Kotelnik improves his record to 13-0 (8 KOs)