Thomas Petersen losses
Over 7 years as a professional, Thomas Petersen has compiled a 11-5 (8) record, including one title fight. He has five losses, one of them in a title fight.
5. Thomas Petersen loses to Valter Walker via KO
On July 25, 2026 Thomas Petersen faced Valter Walker in a heavyweight bout. Petersen was 31 years old with a record of 11-4, and Walker was 28 with a record of 15-1. Petersen was coming off a win and Walker was on a 4-fight winning streak. Walker submitted Petersen via Calf Slicer in the 1st round.
4. Thomas Petersen loses to Vitor Petrino via KO
On October 11, 2025 Thomas Petersen faced Vitor Petrino in a heavyweight bout. Petersen was 30 years old with a record of 10-3, and Petrino was 28 with a record of 12-2. Both Petersen and Petrino were coming off a win. Petrino stopped Petersen via TKO in the 3rd round.
3. Thomas Petersen loses to Shamil Gaziev via KO
On February 1, 2025 Thomas Petersen faced Shamil Gaziev in a heavyweight bout. Petersen was 29 years old with a record of 9-2, and Gaziev was 34 with a record of 13-1. Both Petersen and Gaziev were coming off a win. Gaziev stopped Petersen via TKO in the 1st round.
2. Thomas Petersen loses to Jamal Pogues via unanimous decision
On February 3, 2024 Thomas Petersen faced Jamal Pogues in a heavyweight bout. Petersen was 28 years old with a record of 8-1, and Pogues was 0 with a record of 0-0. Petersen was on a 3-fight winning streak. Petersen lost via unanimous decision.
1. Thomas Petersen loses to Waldo Cortes-Acosta via KO
On April 15, 2022 Thomas Petersen fought Waldo Cortes-Acosta for the vacant LFA heavyweight title. Petersen was 27 years old with a record of 5-0, and Cortes-Acosta was 30 with a record of 5-0. Both Petersen and Cortes-Acosta were on an undefeated 5-fight winning streak. Cortes-Acosta stopped Petersen via TKO in the 3rd round. Failed to win the vacant title.