On July 11, 2016, a 29-year-old Isaac Chilemba (24-3-2, 10 KOs) got a shot at the light-heavyweight WBA (Undisputed), IBF, and WBO title held by 33-year-old Russian boxer Sergey Kovalev (29-0-1, 26 KOs).
Chilemba came in to the fight on a 1-fight losing streak with a 34% KO rate, and was fighting after a gap of 7 months and 13 days. Kovalev was on a 13-fight win streak with a 86% KO rate, and fighting after a layoff of 5 months and 11 days.
Sergey Kovalev defeated Isaac Chilemba via unanimous decision and successfully defended his WBA (Super), IBF, and WBO light-heavyweight titles. Kovalev improves his record to 30-0-1, while Chilemba adds a loss to his record at 24-4-2.
On August 4, 2018, a 31-year-old Isaac Chilemba (25-5-2, 10 KOs) got a shot at the light-heavyweight WBA title held by 27-year-old Russian boxer Dmitry Bivol (13-0, 11 KOs).
Chilemba came in to the fight on a 1-fight win streak with a 31% KO rate, and was fighting after a gap of 4 months and 19 days. Bivol was on a 13-fight win streak with a 84% KO rate, and fighting after a layoff of 5 months and 1 day.
Dmitry Bivol defeated Isaac Chilemba via unanimous decision and successfully defended his WBA light-heavyweight title. Bivol improves his record to 14-0, while Chilemba adds a loss to his record at 25-6-2.
On October 1, 2011, a 24-year-old Isaac Chilemba (17-1-1, 8 KOs) and Jameson Bostic met in the ring.
Chilemba came in to the fight on a 2-fight win streak with a 42% KO rate, and was fighting after a gap of 6 months and 5 days.
Isaac Chilemba stopped Jameson Bostic via KO in the 2nd round. Chilemba improves his record to 18-1-1 (9 KOs)
On March 16, 2018, a 30-year-old Isaac Chilemba (24-5-2, 10 KOs) and Blake Caparello met in the ring in a light-heavyweight bout.
Chilemba came in to the fight on a 3-fight losing streak with a 32% KO rate, and was fighting after a gap of 1 year, 3 months, and 25 days.
Isaac Chilemba defeated Blake Caparello via unanimous decision in the 12-round light-heavyweight fight. Chilemba improves his record to 25-5-2
On March 26, 2011, a 23-year-old Isaac Chilemba (16-1-1, 8 KOs) and Vikapita Meroro met in the ring in a light-heavyweight bout.
Chilemba came in to the fight on a 1-fight win streak with a 44% KO rate, and was fighting after a gap of 1 month and 1 day.
Isaac Chilemba defeated Vikapita Meroro via unanimous decision in the 10-round light-heavyweight fight. Chilemba improves his record to 17-1-1
On June 19, 2010, a 23-year-old Isaac Chilemba (14-1, 8 KOs) and Michael Bolling met in the ring in a super-middleweight bout.
Chilemba came in to the fight on a 6-fight win streak with a 53% KO rate, and was fighting after a gap of 7 months and 19 days.
Isaac Chilemba defeated Michael Bolling via unanimous decision in the 12-round super-middleweight fight. Chilemba improves his record to 15-1
On February 25, 2011, a 23-year-old Isaac Chilemba (15-1-1, 8 KOs) and a 24-year-old Russian boxer Maxim Vlasov (19-0, 10 KOs) met in the ring.
Chilemba came in to the fight after a draw in his last fight with a 47% KO rate, and was fighting after a gap of 3 months and 19 days. Vlasov was on a 19-fight win streak with a 52% KO rate, and fighting after a layoff of 5 months and 7 days.
Isaac Chilemba defeated Maxim Vlasov via unanimous decision in the 10-round fight. Chilemba improves his record to 16-1-1, while Vlasov adds a loss to his record at 19-1.
On October 31, 2009, a 22-year-old Isaac Chilemba (13-1, 8 KOs) and Doudou Ngumbu met in the ring in a light-heavyweight bout.
Chilemba came in to the fight on a 5-fight win streak with a 57% KO rate, and was fighting after a gap of 4 months and 18 days.
Isaac Chilemba defeated Doudou Ngumbu via unanimous decision in the 12-round light-heavyweight fight. Chilemba improves his record to 14-1
On September 13, 2008, a 21-year-old Isaac Chilemba (11-1, 8 KOs) and Charles Adamu met in the ring in a super-middleweight bout.
Chilemba came in to the fight on a 3-fight win streak with a 66% KO rate, and was fighting after a gap of 1 month and 29 days.
Isaac Chilemba defeated Charles Adamu via unanimous decision in the 12-round super-middleweight fight. Chilemba improves his record to 12-1
On February 3, 2012, a 24-year-old Isaac Chilemba (18-1-1, 9 KOs) and a 31-year-old Colombian boxer Edison Miranda (35-6, 30 KOs) met in the ring.
Chilemba came in to the fight on a 3-fight win streak with a 45% KO rate, and was fighting after a gap of 4 months and 2 days. Miranda was on a 1-fight win streak with a 73% KO rate, and fighting after a layoff of 1 month and 17 days.
Isaac Chilemba defeated Edison Miranda via unanimous decision in the 10-round fight. Chilemba improves his record to 19-1-1, while Miranda adds a loss to his record at 35-7.