Robert Whittaker has nine losses against eight opponents on his MMA record. For a list of Whittaker's best fights, refer to "Best fights of Robert Whittaker".
On July 26, 2025 Robert Whittaker faced off against Reinier de Ridder in a middleweight bout at age 34. He was coming in with a record of 26-9 (15), and Ridder was 34 years old and with a record of 20-2 (16). Whittaker lost the fight via 5-round split decision.
On October 26, 2024 Robert Whittaker faced off against Khamzat Chimaev in a middleweight bout at age 33. He was coming in with a record of 26-8 (15), and Chimaev was 30 years old and with a record of 13-0 (9). Whittaker lost the fight via 1st-round submission.
On July 8, 2023 Robert Whittaker faced off against Dricus du Plessis in a middleweight bout at age 32. He was coming in with a record of 24-7 (14), and Plessis was 29 years old and with a record of 19-2 (18). Whittaker lost the fight via 2nd-round TKO.
On February 12, 2022 Robert Whittaker fought Israel Adesanya in a middleweight title fight for Adesanya's UFC Championship title. Whittaker was 31 years old and with a record of 23-6 (14), and Adesanya was 32 years old and with a record of 21-1 (15). Whittaker lost the fight via 5-round unanimous decision.
On October 6, 2019 Robert Whittaker met Israel Adesanya in a middleweight (UFC Championship) title defense fight. Whittaker was 28 years old and with a record of 20-5 (14), and Adesanya was 30 years old and with a record of 17-0 (13). Whittaker lost the fight via 2nd-round KO and lost the title.
On February 22, 2014 Robert Whittaker faced off against Stephen Thompson in a welterweight bout at age 23. He was coming in with a record of 11-4 (10), and Thompson was 31 years old and with a record of 8-1 (5). Whittaker lost the fight via 1st-round TKO.
On August 28, 2013 Robert Whittaker faced off against Court McGee in a welterweight bout at age 22. He was coming in with a record of 11-3 (10), and McGee was 28 years old and with a record of 15-3 (10). Whittaker lost the fight via 3-round split decision.
On May 18, 2012 Robert Whittaker faced off against Jesse Juarez in a welterweight bout at age 21. He was coming in with a record of 9-2 (9), and Juarez was 31 years old and with a record of 17-8 (11). Whittaker lost the fight via 5-round unanimous decision.
On October 30, 2011 Robert Whittaker faced off against Kim Hoon in a welterweight bout at age 20. He was coming in with a record of 7-1 (7). Whittaker lost the fight via 1st-round submission.
