Tomasz Narkun has six losses against five opponents on his MMA record. For a list of Narkun's best fights, refer to "Best fights of Tomasz Narkun".
On October 14, 2022 Tomasz Narkun faced off against Henrique da Silva in a light-heavyweight bout at age 32. He was coming in with a record of 18-6 (17), and Silva was 33 years old and with a record of 18-8 (17). Narkun lost the fight via 2nd-round KO.
On January 15, 2022 Tomasz Narkun met Ibragim Chuzhigaev in a light-heavyweight (KSW Championship) title defense fight. Narkun was 32 years old and with a record of 18-5 (17), and Chuzhigaev was 30 years old and with a record of 15-5 (10). Narkun lost the fight via 5-round unanimous decision and lost the title.
On April 24, 2021 Tomasz Narkun fought Phil De Fries in a heavyweight title fight for De Fries' KSW Championship title. Narkun was 31 years old and with a record of 18-4 (17), and De Fries was 35 years old and with a record of 19-6 (15). Narkun lost the fight via 2nd-round TKO.
On March 23, 2019 Tomasz Narkun fought Phil De Fries in a heavyweight title fight for De Fries' KSW Championship title. Narkun was 29 years old and with a record of 16-3 (15), and De Fries was 32 years old and with a record of 16-6 (14). Narkun lost the fight via 5-round unanimous decision.
On December 6, 2014 Tomasz Narkun faced off against Goran Reljic in a light-heavyweight bout at age 25. He was coming in with a record of 9-2 (9), and Reljic was 30 years old and with a record of 13-4 (10). Narkun lost the fight via 3-round majority decision.
On December 10, 2010 Tomasz Narkun fought Vyacheslav Vasilevsky in a light-heavyweight title fight for Vasilevsky's M-1 Global Championship title. Narkun was 21 years old and with a record of 4-1 (4), and Vasilevsky was 22 years old and with a record of 10-1 (7). Narkun lost the fight via 2nd-round TKO.