Former world champion ratchanok intanon

Former World Champion Ratchanok Intanon: Former World Champion Ratchanok Intanon of Thailand maintained her chances of advancing from women's singles Group B with a comfortable victory over China's third seed Han Yue in the preliminary league stage of the BWF World Tour Finals on Friday.

In the match played on Court 1 of the Hangzhou Olympic Sports Centre Gymnasium, Ratchanok emerged as the 21-17, 21-10 winner in the 38-minute encounter.

Meanwhile, in Group A, Korea's top seed Se Young and Akane Yamaguchi finished at the top of the standings, securing their places in the semifinals.