Here is a list of Bartosiński's best fights. For a list of Bartosiński's losses, refer to "Adrian Bartosiński Losses".
On May 11, 2024 Adrian Bartosiński met Igor Michaliszyn in a welterweight (KSW Championship) title defense fight. Bartosiński was 28 years old and with a record of 15-0 (13), and Michaliszyn was 28 years old and with a record of 10-2 (7). Bartosiński stopped Igor Michaliszyn via 3rd-round submission and successfully defended his title.
