On May 21, 2022, a 41-year-old Johann Duhaupas (39-6, 26 KOs) and a 33-year-old Kazakhstani boxer Zhan Kossobutskiy (17-0, 16 KOs) met in the ring in a heavyweight bout.
Duhaupas came in to the fight on a 1-fight win streak with a 57% KO rate, and was fighting after a gap of 6 months and 8 days. Kossobutskiy was on a 17-fight win streak with a 94% KO rate, and fighting after a layoff of 3 months and 2 days.
Zhan Kossobutskiy stopped Johann Duhaupas via RTD in the 5th round. Kossobutskiy improves his record to 18-0 (17 KOs), while Duhaupas adds a loss to his record at 39-7.
On September 25, 2020, a 39-year-old Johann Duhaupas (38-5, 25 KOs) and a 28-year-old fellow French boxer Tony Yoka (7-0, 6 KOs) met in the ring.
Duhaupas came in to the fight on a 1-fight win streak with a 58% KO rate, and was fighting after a gap of 11 months. Yoka was on a 7-fight win streak with a 85% KO rate, and fighting after a layoff of 11 months and 28 days.
Tony Yoka stopped Johann Duhaupas via TKO in the 1st round. Yoka improves his record to 8-0 (7 KOs), while Duhaupas adds a loss to his record at 38-6.
On April 28, 2018, a 37-year-old Johann Duhaupas (37-4, 24 KOs) and a 29-year-old American boxer Jarrell Miller (20-0-1, 18 KOs) met in the ring.
Duhaupas came in to the fight on a 3-fight win streak with a 58% KO rate, and was fighting after a gap of 4 months and 14 days. Miller was on a 16-fight win streak with a 85% KO rate, and fighting after a layoff of 5 months and 17 days.
Jarrell Miller defeated Johann Duhaupas via unanimous decision in the 12-round fight. Miller improves his record to 21-0-1, while Duhaupas adds a loss to his record at 37-5.
On December 17, 2016, a 35-year-old Johann Duhaupas (34-3, 21 KOs) and a 37-year-old Russian boxer Alexander Povetkin (30-1, 22 KOs) met in the ring.
Duhaupas came in to the fight on a 2-fight win streak with a 56% KO rate, and was fighting after a gap of 8 months and 15 days. Povetkin was on a 4-fight win streak with a 71% KO rate, and fighting after a layoff of 1 year, 1 month, and 13 days.
Alexander Povetkin stopped Johann Duhaupas via KO in the 6th round. Povetkin improves his record to 31-1 (23 KOs), while Duhaupas adds a loss to his record at 34-4.
On September 26, 2015, a 34-year-old Johann Duhaupas (32-2, 20 KOs) got a shot at the heavyweight WBC title held by 29-year-old American boxer Deontay Wilder (34-0, 33 KOs).
Duhaupas came in to the fight on a 1-fight win streak with a 58% KO rate, and was fighting after a gap of 5 months and 16 days. Wilder was on a 34-fight win streak with a 97% KO rate, and fighting after a layoff of 3 months and 13 days.
Deontay Wilder stopped Johann Duhaupas via TKO in the 11th round of the 12-round world-title fight, and successfully defended his WBC heavyweight title. Wilder improves his record to 35-0 (34 KOs), while Duhaupas adds a loss to his record at 32-3.
On March 14, 2015, a 34-year-old Johann Duhaupas (31-1, 20 KOs) and Erkan Teper met in the ring in a heavyweight bout.
Duhaupas came in to the fight on a 14-fight win streak with a 62% KO rate, and was fighting after a gap of 11 months and 9 days.
Johann Duhaupas lost to Erkan Teper via unanimous decision in the 12-round heavyweight fight, and adds an loss to his record at 31-2.
On December 20, 2008, a 27-year-old Johann Duhaupas (17-0, 10 KOs) and a 24-year-old Italian boxer Francesco Pianeta (17-0, 11 KOs) met in the ring in a heavyweight bout.
Duhaupas came in to the fight on a 17-fight win streak with a 58% KO rate, and was fighting after a gap of 6 months. Pianeta was on a 17-fight win streak with a 64% KO rate, and fighting after a layoff of 3 months and 20 days.
Francesco Pianeta defeated Johann Duhaupas via unanimous decision in the 12-round heavyweight fight. Pianeta improves his record to 18-0, while Duhaupas adds a loss to his record at 17-1.