Jin Sasaki has two losses against two opponents on his boxing record. For a list of Sasaki's best fights, refer to "Best fights of Jin Sasaki".
On June 19, 2025 Jin Sasaki faced off against Brian Norman Jr. in a welterweight bout at age 23. He was coming in with a record of 19-2-1 (17), and Norman Jr. was 24 years old and with a record of 27-0 (21). Sasaki lost the fight via 5th-round KO.
On October 19, 2021 Jin Sasaki faced off against Andy Hiraoka in a super-lightweight bout at age 20. He was coming in with a record of 11-1 (10), and Hiraoka was 25 years old and with a record of 17-0 (12). Sasaki lost the fight via 11th-round TKO.
