Thursday at 18:00, semifinals in women’s tennis at the US Open, Serena Williams will play against Roberta Vinci. In the quarterfinals, defeated Serena Williams in three sets her sister, Venus Williams, while Roberta Vinci eliminated it in three sets Kristina Mladenovic on. The two players have met five times so far, Serena Williams having won in all five of direct confrontations. Last match between Serena Williams and Roberta Vinci was played this year in the tournament in Toronto, where Serena Williams won in two sets.