On April 2, 2016, a 35-year-old Johann Duhaupas (33-3, 20 KOs) and a 32-year-old Finnish boxer Robert Helenius (22-0, 13 KOs) met in the ring in a heavyweight bout.
Duhaupas came in to the fight on a 1-fight win streak with a 55% KO rate, and was fighting after a gap of 1 month and 28 days. Helenius was on a 22-fight win streak with a 59% KO rate, and fighting after a layoff of 3 months and 14 days.
Johann Duhaupas stopped Robert Helenius via KO in the 6th round. Duhaupas improves his record to 34-3 (21 KOs), while Helenius adds a loss to his record at 22-1.
On April 2, 2011, a 30-year-old Johann Duhaupas (25-1, 14 KOs) and Saul Farah met in the ring in a heavyweight bout.
Duhaupas came in to the fight on a 8-fight win streak with a 53% KO rate, and was fighting after a gap of 3 months and 29 days.
Johann Duhaupas stopped Saul Farah via TKO in the 2nd round. Duhaupas improves his record to 26-1 (15 KOs)
On June 22, 2013, a 32-year-old Johann Duhaupas (28-1, 17 KOs) and Fabrice Aurieng met in the ring in a heavyweight bout.
Duhaupas came in to the fight on a 11-fight win streak with a 58% KO rate, and was fighting after a gap of 9 months and 3 days.
Johann Duhaupas stopped Fabrice Aurieng via KO in the 4th round. Duhaupas improves his record to 29-1 (18 KOs)
On November 26, 2005, a 24-year-old Johann Duhaupas (7-0, 3 KOs) and Roger Foe met in the ring for the 2nd time,.
Duhaupas came in to the fight on a 7-fight win streak with a 42% KO rate, and was fighting after a gap of 4 months and 18 days.
In the rematch, Johann Duhaupas stopped Roger Foe via TKO in the 3rd round. Duhaupas improves his record to 8-0 (4 KOs)
On December 14, 2017, a 36-year-old Johann Duhaupas (36-4, 23 KOs) and Newfel Ouatah met in the ring in a heavyweight bout.
Duhaupas came in to the fight on a 2-fight win streak with a 57% KO rate, and was fighting after a gap of 2 months and 28 days.
Johann Duhaupas stopped Newfel Ouatah via RTD in the 8th round. Duhaupas improves his record to 37-4 (24 KOs)
On April 5, 2014, a 33-year-old Johann Duhaupas (30-1, 19 KOs) and Janne Katajisto met in the ring in a heavyweight bout.
Duhaupas came in to the fight on a 13-fight win streak with a 61% KO rate, and was fighting after a gap of 5 months and 17 days.
Johann Duhaupas stopped Janne Katajisto via KO in the 7th round. Duhaupas improves his record to 31-1 (20 KOs)
On December 5, 2009, a 28-year-old Johann Duhaupas (20-1, 12 KOs) and Ramiro Reducindo met in the ring.
Duhaupas came in to the fight on a 3-fight win streak with a 57% KO rate, and was fighting after a gap of 5 months and 2 days.
Johann Duhaupas stopped Ramiro Reducindo via KO in the 1st round. Duhaupas improves his record to 21-1 (13 KOs)
On June 20, 2008, a 27-year-old Johann Duhaupas (16-0, 9 KOs) and Radoslav Milutinovic met in the ring.
Duhaupas came in to the fight on a 16-fight win streak with a 56% KO rate, and was fighting after a gap of 1 month and 3 days.
Johann Duhaupas stopped Radoslav Milutinovic via TKO in the 1st round. Duhaupas improves his record to 17-0 (10 KOs)
On January 26, 2007, a 25-year-old Johann Duhaupas (10-0, 6 KOs) and Gabor Gyuris met in the ring.
Duhaupas came in to the fight on a 10-fight win streak with a 60% KO rate, and was fighting after a gap of 1 month and 25 days.
Johann Duhaupas stopped Gabor Gyuris via KO in the 1st round. Duhaupas improves his record to 11-0 (7 KOs)
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.