Igor Michaliszyn has four losses against four opponents on his MMA record. For a list of Michaliszyn's best fights, refer to "Best fights of Igor Michaliszyn".
On April 26, 2025 Igor Michaliszyn faced off against Artur Szczepaniak in a welterweight bout at age 28. He was coming in with a record of 12-4 (7). Michaliszyn lost the fight via 1st-round TKO.
On May 11, 2024 Igor Michaliszyn faced off against Adrian Bartosiński in a welterweight bout at age 28. He was coming in with a record of 10-3 (7), and Bartosiński was 28 years old and with a record of 14-0 (12). Michaliszyn lost the fight via 3rd-round submission.
On July 5, 2019 Igor Michaliszyn faced off against Lom-Ali Nalgiev in a welterweight bout at age 23. He was coming in with a record of 5-2 (3). Michaliszyn lost the fight via 1st-round TKO.
On April 28, 2017 Igor Michaliszyn faced off against Daniel Skibiński in a welterweight bout at age 20. He was coming in with a record of 4-1 (3). Michaliszyn lost the fight via 3-round unanimous decision.