On September 3, 2024, a 23-year-old Jin Sasaki (17-1-1, 16 KOs) and a 35-year-old Australian boxer Qamil Balla (15-1-1, 8 KOs) met in the ring in a welterweight bout.
Sasaki came in to the fight on a 5-fight win streak with a 84% KO rate, and was fighting after a gap of 3 months and 18 days. Balla was on a 4-fight win streak with a 47% KO rate, and fighting after a layoff of 1 year, 2 months, and 18 days.
Jin Sasaki stopped Qamil Balla via TKO in the 7th round. Sasaki improves his record to 18-1-1 (17 KOs), while Balla adds a loss to his record at 15-2-1.
On April 8, 2023, a 21-year-old Jin Sasaki (14-1-1, 13 KOs) and Keita Obara met in the ring in a welterweight bout.
Sasaki came in to the fight on a 2-fight win streak with a 81% KO rate, and was fighting after a gap of 2 months and 25 days.
Jin Sasaki stopped Keita Obara via TKO in the 3rd round. Sasaki improves his record to 15-1-1 (14 KOs)
On May 16, 2024, a 22-year-old Jin Sasaki (16-1-1, 15 KOs) and Joe Noynay met in the ring in a welterweight bout.
Sasaki came in to the fight on a 4-fight win streak with a 83% KO rate, and was fighting after a gap of 10 months and 8 days.
Jin Sasaki stopped Joe Noynay via TKO in the 5th round. Sasaki improves his record to 17-1-1 (16 KOs)
On January 14, 2023, a 21-year-old Jin Sasaki (13-1-1, 12 KOs) and Ryota Toyoshima met in the ring in a welterweight bout.
Sasaki came in to the fight on a 1-fight win streak with a 80% KO rate, and was fighting after a gap of 1 month and 30 days.
Jin Sasaki stopped Ryota Toyoshima via TKO in the 1st round. Sasaki improves his record to 14-1-1 (13 KOs)
On November 23, 2020, a 19-year-old Jin Sasaki (8-0, 7 KOs) and Tatsuya Miyazaki met in the ring.
Sasaki came in to the fight on a 8-fight win streak with a 87% KO rate, and was fighting after a gap of 2 months and 23 days.
Jin Sasaki stopped Tatsuya Miyazaki via TKO in the 1st round. Sasaki improves his record to 9-0 (8 KOs)
On August 31, 2020, a 19-year-old Jin Sasaki (7-0, 6 KOs) and Shun Akaiwa met in the ring.
Sasaki came in to the fight on a 7-fight win streak with a 85% KO rate, and was fighting after a gap of 11 months and 5 days.
Jin Sasaki stopped Shun Akaiwa via KO in the 1st round. Sasaki improves his record to 8-0 (7 KOs)
On September 26, 2019, an 18-year-old Jin Sasaki (6-0, 5 KOs) and Tetsuya Kondo met in the ring.
Sasaki came in to the fight on a 6-fight win streak with a 83% KO rate, and was fighting after a gap of 1 month and 20 days.
Jin Sasaki stopped Tetsuya Kondo via TKO in the 1st round. Sasaki improves his record to 7-0 (6 KOs)
On February 8, 2019, a 17-year-old Jin Sasaki (2-0, 2 KOs) and Naoyuki Tsumoto met in the ring.
Sasaki came in to the fight on a 2-fight win streak with a 100% KO rate, and was fighting after a gap of 3 months and 1 day.
Jin Sasaki stopped Naoyuki Tsumoto via TKO in the 1st round. Sasaki improves his record to 3-0 (3 KOs)
On July 17, 2021, a 19-year-old Jin Sasaki (10-0, 9 KOs) and Kaiki Yuba met in the ring in a super-lightweight bout.
Sasaki came in to the fight on a 10-fight win streak with a 90% KO rate, and was fighting after a gap of 6 months and 21 days.
Jin Sasaki stopped Kaiki Yuba via KO in the 2nd round. Sasaki improves his record to 11-0 (10 KOs)
On October 19, 2021, a 20-year-old Jin Sasaki (11-0, 10 KOs) and a 25-year-old Ghanaian boxer Andy Hiraoka (17-0, 12 KOs) met in the ring in a super-lightweight bout.
Sasaki came in to the fight on a 11-fight win streak with a 90% KO rate, and was fighting after a gap of 3 months and 2 days. Hiraoka was on a 17-fight win streak with a 70% KO rate, and fighting after a layoff of 7 months and 8 days.
Andy Hiraoka stopped Jin Sasaki via TKO in the 11th round. Hiraoka improves his record to 18-0 (13 KOs), while Sasaki adds a loss to his record at 11-1.