Aryna Sabalenka throws her racket during her women's singles group stage match against Elena Rybakina at WTA Finals. (Reuters) China's Qinwen Zheng celebrates after winning her women's singles group ...

Aryna Sabalenka lost her first match in over a month at the WTA Finals against Elena Rybakina, and the Belarusian admitted to lacking motivation during the defeat. Sabalenka had already qualified for ...