On January 30, 2010, the 29-year-old IBF middleweight world champion, Sebastian Sylvester (32-3, 15 KOs), faced Billy Lyell, in a title defense fight.
Sylvester came in to the fight on a 3-fight win streak with a 42% KO rate, and was fighting after a gap of 4 months and 11 days.
Sebastian Sylvester stopped Billy Lyell via TKO in the 10th round of the 12-round world-title fight, and successfully defended his IBF middleweight title. Sylvester improves his record to 33-3 (16 KOs)
On October 30, 2010, the 30-year-old IBF middleweight world champion, Sebastian Sylvester (33-3-1, 16 KOs), faced Mahir Oral, in a title defense fight.
Sylvester came in to the fight after a draw in his last fight with a 43% KO rate, and was fighting after a gap of 4 months and 25 days.
Sebastian Sylvester defeated Mahir Oral via unanimous decision and successfully defended his IBF middleweight title. Sylvester improves his record to 34-3-1
On April 22, 2006, a 25-year-old Sebastian Sylvester (20-1, 8 KOs) and Steven Bendall met in the ring in a middleweight bout.
Sylvester came in to the fight on a 20-fight win streak with a 38% KO rate, and was fighting after a gap of 5 months and 10 days.
Sebastian Sylvester stopped Steven Bendall via TKO in the 3rd round. Sylvester improves his record to 21-1 (9 KOs)
On June 23, 2007, a 26-year-old Sebastian Sylvester (25-2, 12 KOs) and a 31-year-old Finnish boxer Amin Asikainen (21-0, 15 KOs) met in the ring for the 2nd time, in a middleweight bout.
Sylvester came in to the fight on a 4-fight win streak with a 44% KO rate, and was fighting after a gap of 3 months and 20 days. Asikainen was on a 21-fight win streak with a 71% KO rate, and fighting after a layoff of 1 month and 5 days.
In the rematch, Sebastian Sylvester stopped Amin Asikainen via TKO in the 11th round. Sylvester improves his record to 26-2 (13 KOs), while Asikainen adds a loss to his record at 21-1.
On September 19, 2009, 29-year-old Sebastian Sylvester (31-3, 15 KOs) and Giovanni Lorenzo fought for the vacant IBF middleweight title.
Sylvester came in to the fight on a 2-fight win streak with a 44% KO rate, and was fighting after a gap of 2 months and 23 days.
Sebastian Sylvester defeated Giovanni Lorenzo via split decision . Sylvester improves his record to 32-3
On April 12, 2008, a 27-year-old Sebastian Sylvester (28-2, 13 KOs) and a 40-year-old Spanish boxer Javier Castillejo (62-7, 43 KOs) met in the ring in a middleweight bout.
Sylvester came in to the fight on a 7-fight win streak with a 43% KO rate, and was fighting after a gap of 2 months and 17 days. Castillejo was on a 1-fight win streak with a 62% KO rate, and fighting after a layoff of 4 months and 30 days.
Sebastian Sylvester stopped Javier Castillejo via KO in the 12th round. Sylvester improves his record to 29-2 (14 KOs), while Castillejo adds a loss to his record at 62-8.
On June 5, 2010, the 29-year-old IBF middleweight world champion, Sebastian Sylvester (33-3, 16 KOs), faced a 37-year-old Russian boxer Roman Karmazin (40-3-1, 26 KOs), in a title defense fight.
Sylvester came in to the fight on a 4-fight win streak with a 44% KO rate, and was fighting after a gap of 4 months and 6 days. Karmazin was on a 4-fight win streak with a 57% KO rate, and fighting after a layoff of 4 months and 28 days.
The fight ended in a split decision draw and both the fighters added a draw to their respective records — Sylvester is now 33-3-1 and Karmazin, 40-3-2.
On November 1, 2008, a 28-year-old Sebastian Sylvester (29-2, 14 KOs) got a shot at the middleweight WBA title held by 29-year-old fellow German boxer Felix Sturm (30-2-1, 13 KOs).
Sylvester came in to the fight on a 8-fight win streak with a 45% KO rate, and was fighting after a gap of 6 months and 20 days. Sturm was on a 2-fight win streak with a 39% KO rate, and fighting after a layoff of 3 months and 25 days.
Felix Sturm defeated Sebastian Sylvester via unanimous decision and successfully defended his WBA middleweight title. Sturm improves his record to 31-2-1, while Sylvester adds a loss to his record at 29-3.
On July 16, 2005, a 25-year-old Sebastian Sylvester (18-1, 8 KOs) and Morrade Hakkar met in the ring in a middleweight bout.
Sylvester came in to the fight on a 18-fight win streak with a 42% KO rate, and was fighting after a gap of 2 months and 2 days.
Sebastian Sylvester defeated Morrade Hakkar via unanimous decision in the 12-round middleweight fight. Sylvester improves his record to 19-1
On February 28, 2009, a 28-year-old Sebastian Sylvester (29-3, 14 KOs) and Gaetano Nespro met in the ring in a middleweight bout.
Sylvester came in to the fight on a 1-fight losing streak with a 43% KO rate, and was fighting after a gap of 3 months and 27 days.
Sebastian Sylvester stopped Gaetano Nespro via KO in the 7th round. Sylvester improves his record to 30-3 (15 KOs)