Japan's Yamaguchi retains women's singles title at badminton worlds

TOKYO, Aug. 28 (Xinhua) -- Top seed Akane Yamaguchi of Japan defeated Olympic champion Chen Yufei to retain the women's singles title at the World Badminton Championships here on Sunday.

Yamaguchi won the match 20-12, 10-21, 21-14 in one hour and eight minutes.

Chen, seeking to become the first player from China to win the women's singles title in 11 years, was overpowered in the third set, running out of