RIYADH, Nov. 4 (Xinhua) -- China's top-ranked tennis player Zheng Qinwen triumphed over Elena Rybakina of Kazakhstan in three sets at the WTA Finals in Riyadh on Monday, securing her first victory in the tournament.
Zheng, who had previously lost to Rybakina twice, broke serve to take a 4-1 lead in the opening set, but the Kazakhstani broke back in the seventh game, pushing the set to a tiebreak. Zheng excelled
