Fabián Maidana has four losses against four opponents on his boxing record. For a list of Maidana's best fights, refer to "Best fights of Fabián Maidana".
On May 4, 2025 Fabián Maidana faced off against Rohan Polanco in a welterweight bout at age 32. He was coming in with a record of 24-4 (18), and Polanco was 26 years old and with a record of 15-0 (10). Maidana lost the fight via 10-round unanimous decision.
On May 4, 2024 Fabián Maidana fought Mario Barrios in a welterweight world-title fight for Barrios' WBC title. Maidana was 31 years old and with a record of 22-3 (16), and Barrios was 28 years old and with a record of 28-2 (18). Maidana lost the fight via 12-round unanimous decision.
On December 17, 2021 Fabián Maidana faced off against Francisco Mercado at age 29. He was coming in with a record of 18-2 (13). Maidana lost the fight via 7-round unanimous decision.
On January 12, 2019 Fabián Maidana faced off against Jaider Parra at age 26. He was coming in with a record of 16-1 (12). Maidana lost the fight via 10-round unanimous decision.
