On April 14, 2007, a 28-year-old Ruslan Chagaev (22-0-1, 17 KOs) got a shot at the WBA heavyweight title held by 33-year-old Russian boxer Nikolai Valuev (46-0, 34 KOs).
Chagaev came in to the fight on a 17-fight win streak with a 73% KO rate, and was fighting after a gap of 4 months and 27 days. Valuev was on a 46-fight win streak with a 73% KO rate, and fighting after a layoff of 2 months and 25 days.
Ruslan Chagaev defeated Nikolai Valuev via majority decision and wins the WBA title. Chagaev improves his record to 23-0-1, while Valuev adds a loss to his record at 46-1.
On July 11, 2015, the 36-year-old WBA (Regular) heavyweight world champion, Ruslan Chagaev (33-2-1, 20 KOs), faced a 30-year-old Italian boxer Francesco Pianeta (31-1-1, 17 KOs), in a title defense fight.
Chagaev came in to the fight on a 6-fight win streak with a 55% KO rate, and was fighting after a gap of 1 year and 5 days. Pianeta was on a 3-fight win streak with a 51% KO rate, and fighting after a layoff of 7 months and 5 days.
Ruslan Chagaev made quick work of Francesco Pianeta, stopping the challenger via TKO in the 1st. Chagaev improves his record to 34-2-1 (21 KOs), while Pianeta adds a loss to his record at 31-2-1.
On January 19, 2008, the 29-year-old WBA heavyweight world champion, Ruslan Chagaev (23-0-1, 17 KOs), faced Matt Skelton, in a title defense fight.
Chagaev came in to the fight on a 18-fight win streak with a 70% KO rate, and was fighting after a gap of 9 months and 5 days.
Ruslan Chagaev defeated Matt Skelton via unanimous decision and successfully defended his WBA heavyweight title. Chagaev improves his record to 24-0-1
On July 6, 2014, 35-year-old Ruslan Chagaev (32-2-1, 20 KOs) and Fres Oquendo fought for the vacant WBA (Regular) heavyweight title.
Chagaev came in to the fight on a 5-fight win streak with a 57% KO rate, and was fighting after a gap of 9 months and 1 day.
Ruslan Chagaev defeated Fres Oquendo via majority decision . Chagaev improves his record to 33-2-1
On March 11, 2006, a 27-year-old Ruslan Chagaev (19-0-1, 16 KOs) got a shot at the WBA heavyweight title held by 32-year-old Ukrainian boxer Volodymyr Virchis (20-0, 17 KOs).
Chagaev came in to the fight on a 14-fight win streak with a 80% KO rate, and was fighting after a gap of 2 months and 4 days. Virchis was on a 20-fight win streak with a 85% KO rate, and fighting after a layoff of 2 months and 26 days.
Ruslan Chagaev defeated Volodymyr Virchis via majority decision and wins the WBA title — in his first world-title fight. Chagaev improves his record to 20-0-1, while Virchis adds a loss to his record at 20-1.
On January 7, 2006, a 27-year-old Ruslan Chagaev (18-0-1, 15 KOs) and Rob Calloway met in the ring for the 2nd time,.
Chagaev came in to the fight on a 13-fight win streak with a 78% KO rate, and was fighting after a gap of 2 months and 16 days.
In the rematch, Ruslan Chagaev stopped Rob Calloway via KO in the 2nd round. Chagaev improves his record to 19-0-1 (16 KOs)
On July 15, 2006, a 27-year-old Ruslan Chagaev (20-0-1, 16 KOs) and Michael Sprott met in the ring in a heavyweight bout.
Chagaev came in to the fight on a 15-fight win streak with a 76% KO rate, and was fighting after a gap of 4 months and 4 days.
Ruslan Chagaev stopped Michael Sprott via TKO in the 8th round. Chagaev improves his record to 21-0-1 (17 KOs)
On August 27, 2011, 32-year-old Ruslan Chagaev (27-1-1, 17 KOs) and 31-year-old Alexander Povetkin (21-0, 15 KOs) fought for the vacant WBA (Regular) heavyweight title.
Chagaev came in to the fight on a 2-fight win streak with a 58% KO rate, and was fighting after a gap of 9 months and 8 days. Povetkin was on a 21-fight win streak with a 71% KO rate, and fighting after a layoff of 8 months and 9 days.
Alexander Povetkin defeated Ruslan Chagaev via unanimous decision and wins the WBA (Regular) title — in his first world-title fight. Povetkin improves his record to 22-0, while Chagaev adds a loss to his record at 27-2-1.
On September 28, 2005, a 26-year-old Ruslan Chagaev (16-0-1, 13 KOs) and Jucimar Francisco Hipolito met in the ring.
Chagaev came in to the fight on a 11-fight win streak with a 76% KO rate, and was fighting after a gap of 6 months and 2 days.
Ruslan Chagaev stopped Jucimar Francisco Hipolito via TKO in the 1st round. Chagaev improves his record to 17-0-1 (14 KOs)
On May 18, 2004, a 25-year-old Ruslan Chagaev (9-0-1, 7 KOs) and Wade Lewis met in the ring.
Chagaev came in to the fight on a 4-fight win streak with a 70% KO rate, and was fighting after a gap of 1 month and 18 days.
Ruslan Chagaev stopped Wade Lewis via TKO in the 1st round. Chagaev improves his record to 10-0-1 (8 KOs)