Olympic silver medallist PV Sindhu finally broke her jinx against World No. 1 Tai Tzu Ying with a come-from-behind win, while Sameer Verma outclassed Indonesia's Tommy Sugiarto at the World Tour Finals here yesterday.

After six successive losses in 13 meetings, Sindhu got the better of Tzu Ying of Chinese Taipei 14-21, 21-16, 21-18 in a Group A match. World No. 14 Sameer dished out a dominating performance to beat the 10th ranked Sugiarto 21-16, 21-7 in a Group B clash.