Reinier de Ridder losses
Over 13 years as a professional, Reinier de Ridder has compiled a 21-4 (18) record, including eight title fights across two weight classes. He has four losses against three different opponents, two of them in title fights.
4. Reinier de Ridder loses to Caio Borralho via unanimous decision
On March 7, 2026 Reinier de Ridder faced Caio Borralho in a middleweight bout. Ridder was 35 years old with a record of 21-3, and Borralho was 33 with a record of 17-2. Both Ridder and Borralho were coming off a loss. Ridder lost via unanimous decision. Went the distance with Borralho.
3. Reinier de Ridder loses to Brendan Allen via KO
On October 18, 2025 Reinier de Ridder faced Brendan Allen in a middleweight bout. Ridder was 35 years old with a record of 21-2, and Allen was 29 with a record of 25-7. Ridder was on a 5-fight winning streak and Allen was coming off a win. Allen stopped Ridder via TKO in the 4th round.
2. Reinier de Ridder loses to Anatoly Malykhin in their 2nd fight via KO
On March 1, 2024 Reinier de Ridder defended his ONE middleweight title against Anatoly Malykhin. It was their second meeting. Ridder was 33 years old with a record of 16-1, and Malykhin was 36 with a record of 13-0. Ridder was coming off a loss, while Malykhin was on an undefeated 13-fight winning streak. Malykhin stopped Ridder via TKO in the 3rd round. Lost the title.
1. Reinier de Ridder loses to Anatoly Malykhin via KO
On December 3, 2022 Reinier de Ridder defended his ONE light heavyweight title against Anatoly Malykhin. Ridder was 32 years old with a record of 16-0, and Malykhin was 34 with a record of 11-0. Ridder was on an undefeated 16-fight winning streak and Malykhin was on an undefeated 11-fight winning streak. Malykhin stopped Ridder via KO in the 1st round. Lost the title.