On April 16, 2013, a 28-year-old Yuki Sano (17-2-4, 12 KOs) and a 20-year-old fellow Japanese boxer Naoya Inoue (2-0, 2 KOs) met in the ring.
Sano came in to the fight on a 1-fight win streak with a 52% KO rate, and was fighting after a gap of 1 year and 15 days. Inoue was on a 2-fight win streak with a 100% KO rate, and fighting after a layoff of 3 months and 11 days.
Naoya Inoue stopped Yūki Sano via TKO in the 10th round. Inoue improves his record to 3-0 (3 KOs), while Sano adds a loss to his record at 17-3-4.
On August 16, 2011, a 26-year-old Yuki Sano (16-1-3, 11 KOs) and Masayuki Kuroda met in the ring.
Sano came in to the fight on a 4-fight win streak with a 55% KO rate, and was fighting after a gap of 4 months and 6 days.
Yuki Sano lost to Masayuki Kuroda via split decision in the 10-round fight, and adds an loss to his record at 16-2-3.
On April 6, 2008, a 23-year-old Yuki Sano (10-0-1, 7 KOs) and Aekarthit Kanyaprom met in the ring.
Sano came in to the fight on a 8-fight win streak with a 63% KO rate, and was fighting after a gap of 3 months and 28 days.
Yuki Sano lost to Aekarthit Kanyaprom via unanimous decision in the 10-round fight, and adds an loss to his record at 10-1-1.