On December 3, 2022, a 36-year-old Ryo Akaho (39-2-2, 26 KOs) and a 33-year-old Filipino boxer John Riel Casimero (31-4, 21 KOs) met in the ring in a super-bantamweight bout.
Akaho came in to the fight on a 13-fight win streak with a 60% KO rate, and was fighting after a gap of 3 months. Casimero was on a 7-fight win streak with a 60% KO rate, and fighting after a layoff of 1 year, 3 months, and 19 days.
John Riel Casimero stopped Ryo Akaho via KO in the 2nd round. Casimero improves his record to 32-4 (22 KOs), while Akaho adds a loss to his record at 39-3-2.
On August 7, 2015, 29-year-old Ryo Akaho (26-1-2, 18 KOs) and Panya Uthok fought for the vacant WBO bantamweight title.
Akaho came in to the fight on a 7-fight win streak with a 62% KO rate, and was fighting after a gap of 4 months and 10 days.
Ryo Akaho was defending his bantamweight titles and, fighting for the bantamweight WBO titles against Panya Uthok and lost via KO in the 2nd round, and adds an loss to his record at 26-2-2.
On December 31, 2012, a 26-year-old Ryo Akaho (19-0-2, 12 KOs) and Yota Sato met in the ring.
Akaho came in to the fight on a 6-fight win streak with a 57% KO rate, and was fighting after a gap of 4 months and 18 days.
Ryo Akaho lost to Yota Sato via unanimous decision in the 12-round fight, and adds an loss to his record at 19-1-2.