Here is a list of Sulęcki's best fights. For a list of Sulęcki's losses, refer to "Maciej Sulęcki Losses".
On October 21, 2017 Maciej Sulęcki faced off against Jack Culcay in a super-middleweight bout at age 28. He was coming in with a record of 26-0 (10), and Culcay was 32 years old and with a record of 22-2 (11). Sulęcki won the fight via 10-round unanimous decision.
On March 15, 2019 Maciej Sulęcki faced off against Gabriel Rosado in a middleweight bout at age 29. He was coming in with a record of 28-1 (11), and Rosado was 33 years old and with a record of 24-11-1 (14). Sulęcki won the fight via 10-round unanimous decision.
On November 8, 2014 Maciej Sulęcki faced off against Grzegorz Proksa in a super-middleweight bout at age 25. He was coming in with a record of 19-0 (4), and Proksa was 29 years old and with a record of 29-3 (21). Sulęcki stopped Grzegorz Proksa via TKO.
