Jin Sasaki losses
Over 8 years as a professional, Jin Sasaki has compiled a 21-2-1 (18) record, including eleven title fights across two weight classes. He has two losses, all of them in title fights.
2. Jin Sasaki loses to Brian Norman Jr. via KO
On June 19, 2025 Jin Sasaki fought Brian Norman Jr. for the WBO welterweight title. Sasaki was 23 years old with a record of 19-1-1, and Jr. was 24 with a record of 27-0. Sasaki was on a 7-fight winning streak and Jr. was on an undefeated 2-fight winning streak. Jr. stopped Sasaki via KO in the 5th round. Failed to capture the title.
1. Jin Sasaki loses to Andy Hiraoka via KO
On October 19, 2021 Jin Sasaki fought Andy Hiraoka for the vacant Japan Boxing Commission Japanese, Japanese, and WBO Asia Pacific super lightweight titles. Sasaki was 20 years old with a record of 11-0, and Hiraoka was 25 with a record of 17-0. Sasaki was on an undefeated 11-fight winning streak and Hiraoka was on an undefeated 17-fight winning streak. Hiraoka stopped Sasaki via TKO in the 11th round. Failed to win the vacant title. Lasted into the 11th round.