On June 29, 2019, a 30-year-old Maciej Sulęcki (28-1, 11 KOs) got a shot at the middleweight WBO title held by 31-year-old American boxer Demetrius Andrade (27-0, 17 KOs).
Sulęcki came in to the fight on a 2-fight win streak with a 37% KO rate, and was fighting after a gap of 3 months and 14 days. Andrade was on a 27-fight win streak with a 63% KO rate, and fighting after a layoff of 5 months and 11 days.
Demetrius Andrade defeated Maciej Sulęcki via unanimous decision and successfully defended his WBO middleweight title. Andrade improves his record to 28-0, while Sulęcki adds a loss to his record at 28-2.
On April 8, 2017, a 27-year-old Maciej Sulęcki (23-0, 8 KOs) and Michi Muñoz met in the ring.
Sulęcki came in to the fight on a 23-fight win streak with a 34% KO rate, and was fighting after a gap of 9 months and 21 days.
Maciej Sulęcki stopped Michi Muñoz via KO in the 3rd round. Sulęcki improves his record to 24-0 (9 KOs)
On March 15, 2019, a 29-year-old Maciej Sulęcki (27-1, 11 KOs) and a 33-year-old American boxer Gabriel Rosado (24-11-1, 14 KOs) met in the ring in a middleweight bout.
Sulęcki came in to the fight on a 1-fight win streak with a 39% KO rate, and was fighting after a gap of 4 months and 5 days. Rosado was on a 0-fight win streak with a 38% KO rate, and fighting after a layoff of 3 months and 26 days.
Maciej Sulęcki defeated Gabriel Rosado via unanimous decision in the 10-round middleweight fight. Sulęcki improves his record to 28-1, while Rosado adds a loss to his record at 24-12-1.
On August 14, 2015, a 26-year-old Maciej Sulęcki (20-0, 5 KOs) and Jose Miguel Berrio met in the ring.
Sulęcki came in to the fight on a 20-fight win streak with a 25% KO rate, and was fighting after a gap of 3 months and 21 days.
Maciej Sulęcki stopped Jose Miguel Berrio via TKO in the 1st round. Sulęcki improves his record to 21-0 (6 KOs)
On June 18, 2016, a 27-year-old Maciej Sulęcki (22-0, 7 KOs) and Hugo Centeno Jr. met in the ring.
Sulęcki came in to the fight on a 22-fight win streak with a 31% KO rate, and was fighting after a gap of 5 months and 2 days.
Maciej Sulęcki stopped Hugo Centeno Jr. via TKO in the 10th round. Sulęcki improves his record to 23-0 (8 KOs)
On June 9, 2023, a 34-year-old Maciej Sulęcki (30-2, 11 KOs) and Angel Hernandez met in the ring.
Sulęcki came in to the fight on a 2-fight win streak with a 34% KO rate, and was fighting after a gap of 1 year, 5 months, and 23 days.
Maciej Sulęcki stopped Angel Hernandez via KO in the 2nd round. Sulęcki improves his record to 31-2 (12 KOs)
On November 10, 2018, a 29-year-old Maciej Sulęcki (26-1, 10 KOs) and Jean Michel Hamilcaro met in the ring.
Sulęcki came in to the fight on a 1-fight losing streak with a 37% KO rate, and was fighting after a gap of 6 months and 13 days.
Maciej Sulęcki stopped Jean Michel Hamilcaro via TKO in the 2nd round. Sulęcki improves his record to 27-1 (11 KOs)
On June 24, 2017, a 28-year-old Maciej Sulęcki (24-0, 9 KOs) and Damián Bonelli met in the ring.
Sulęcki came in to the fight on a 24-fight win streak with a 37% KO rate, and was fighting after a gap of 2 months and 16 days.
Maciej Sulęcki stopped Damián Bonelli via TKO in the 3rd round. Sulęcki improves his record to 25-0 (10 KOs)
On November 8, 2014, a 25-year-old Maciej Sulęcki (18-0, 3 KOs) and a 29-year-old fellow Polish boxer Grzegorz Proksa (29-3, 21 KOs) met in the ring.
Sulęcki came in to the fight on a 18-fight win streak with a 16% KO rate, and was fighting after a gap of 5 months and 29 days. Proksa was on a -1-fight win streak with a 65% KO rate, and fighting after a layoff of 1 year, 4 months, and 11 days.
Maciej Sulęcki stopped Grzegorz Proksa via TKO in the 7th round. Sulęcki improves his record to 19-0 (4 KOs), while Proksa adds a loss to his record at 29-4.
On October 21, 2017, a 28-year-old Maciej Sulęcki (25-0, 10 KOs) and Jack Culcay met in the ring.
Sulęcki came in to the fight on a 25-fight win streak with a 40% KO rate, and was fighting after a gap of 3 months and 27 days.
Maciej Sulęcki defeated Jack Culcay via unanimous decision in the 10-round fight. Sulęcki improves his record to 26-0