Here is a list of Cieślak's best fights. For a list of Cieślak's losses, refer to "Michał Cieślak Losses".
On October 26, 2024 Michał Cieślak faced off against Felix Valera in a cruiserweight bout at age 35. He was coming in with a record of 27-2 (21), and Valera was 36 years old and with a record of 23-6 (20). Cieślak stopped Felix Valera via TKO.
On June 28, 2025 Michał Cieślak faced off against Jean Pascal in a cruiserweight bout at age 36. He was coming in with a record of 28-2 (22), and Pascal was 42 years old and with a record of 37-7-1 (21). Cieślak stopped Jean Pascal via TKO.
On May 31, 2019 Michał Cieślak faced off against Olanrewaju Durodola in a cruiserweight bout at age 30. He was coming in with a record of 19-0 (13). Cieślak stopped Olanrewaju Durodola via TKO.
