Martin Nguyen has eight losses against eight opponents on his MMA record. For a list of Nguyen's best fights, refer to "Best fights of Martin Nguyen".
On February 20, 2025 Martin Nguyen faced off against Shamil Gasanov in a featherweight bout at age 35. He was coming in with a record of 15-8 (12). Nguyen lost the fight via 3-round unanimous decision.
On January 28, 2024 Martin Nguyen faced off against Garry Tonon in a featherweight bout at age 34. He was coming in with a record of 15-7 (12), and Tonon was 32 years old and with a record of 8-1 (7). Nguyen lost the fight via 1st-round submission.
On October 1, 2022 Martin Nguyen faced off against Ilya Freymanov in a featherweight bout at age 33. He was coming in with a record of 14-6 (12). Nguyen lost the fight via 1st-round TKO.
On September 24, 2021 Martin Nguyen faced off against Kim Jae-woong in a featherweight bout at age 32. He was coming in with a record of 13-5 (11). Nguyen lost the fight via 1st-round KO.
On October 30, 2020 Martin Nguyen met Thanh Le in a featherweight (ONE Championship) title defense fight. Nguyen was 31 years old and with a record of 13-4 (11), and Le was 35 years old and with a record of 11-2 (11). Nguyen lost the fight via 3rd-round TKO and lost the title.
On July 27, 2018 Martin Nguyen fought Kevin Belingon in a bantamweight title fight for Belingon's ONE Championship title. Nguyen was 29 years old and with a record of 11-3 (9), and Belingon was 30 years old and with a record of 18-5 (11). Nguyen lost the fight via 5-round unanimous decision.
On March 24, 2018 Martin Nguyen fought Bibiano Fernandes in a bantamweight title fight for Fernandes' ONE Championship title. Nguyen was 29 years old and with a record of 10-2 (9), and Fernandes was 37 years old and with a record of 21-3 (8). Nguyen lost the fight via 5-round split decision.
On September 27, 2015 Martin Nguyen fought Marat Gafurov in a featherweight title fight for Gafurov's ONE Championship title. Nguyen was 26 years old and with a record of 4-1 (4), and Gafurov was 30 years old and with a record of 11-0 (8). Nguyen lost the fight via 1st-round submission.