Here is a list of Abreu's best fights. For a list of Abreu's losses, refer to "Klidson Abreu Losses".
On July 20, 2019 Klidson Abreu faced off against Sam Alvey in a heavyweight bout at age 26. He was coming in with a record of 15-3 (14), and Alvey was 33 years old and with a record of 33-12 (22). Abreu won the fight via 3-round unanimous decision.
On November 17, 2018 Klidson Abreu faced off against Anton Vyazigin in a heavyweight bout at age 25. He was coming in with a record of 14-2 (14). Abreu stopped Anton Vyazigin via submission.
On October 10, 2015 Klidson Abreu faced off against Johnny Walker in a heavyweight bout at age 22. He was coming in with a record of 8-1 (8), and Walker was 23 years old and with a record of 7-1 (7). Abreu stopped Johnny Walker via submission.
On July 9, 2018 Klidson Abreu faced off against Viktor Nemkov in a light-heavyweight bout at age 25. He was coming in with a record of 13-2 (13), and Nemkov was 31 years old and with a record of 27-6 (16). Abreu stopped Viktor Nemkov via submission.
On September 3, 2016 Klidson Abreu faced off against Leonardo Silva de Oliveira in a light-heavyweight bout at age 23. He was coming in with a record of 9-2 (9). Abreu stopped Leonardo Silva de Oliveira via TKO.
On April 28, 2022 Klidson Abreu faced off against Adam Keresh in a heavyweight bout at age 29. He was coming in with a record of 16-5 (14). Abreu won the fight via 3-round unanimous decision.