Yota Sato defeated fellow Japanese boxer Ryo Akaho by a unanimous decision victory to defend the World Boxing Council (WBC) super-flyweight title on Monday.

Three judges scored it 117-111, 117-112 and 118-110, all in favour of the defending champion.

It was Sato's second defence of the title he wrested from Suriyan Sor Rungvisai of Thailand in March, improving his record to 26 wins, including 12 KOs, against two defeats and a draw.

Akaho, who is ranked fifth in the WBC, now has 19 wins including 12 KOs, against one defeat and two draws.