It has been less than a month since Qinwen Zheng beat Jasmine Paolini in the quarterfinals of the Wuhan Open, but a few weeks feels like years in the tennis world - especially towards the end of a grueling season.

Aryna Sabalenka reached the semifinals of the WTA Finals with a 6-3, 7-5 win over Jasmine Paolini on Monday for a second straight victory in the group stage.

(Reuters) -World number one Aryna Sabalenka secured a semi-final berth at the WTA Finals by beating Italian fourth seed Jasmine Paolini 6-3 7-5 on Monday to stay unbeaten in the purple round-robin group.