Simona Halep during her match against Caroline Garcia during the semi final between France and Romania at the Kindarena on sunday april 21, 2019. Rouen. France. PHOTO: CHRISTOPHE SAIDI / SIPA.//04SAIDICHRISTOPHE_12320064/1904221247/Credit:CHRISTOPHE SAIDI/SIPA/1904221253,Image: 427429797, License: Rights-managed, Restrictions: , Model Release: no, Credit line: Profimedia

Romania's Simona Halep celebrates a point win over Poland's Iga Swiatek during their fourth round match at the Australian Open tennis championship in Melbourne, Australia, Sunday, Feb. 14, 2021.(AP Photo/Hamish Blair)

Romania's Simona Halep hits a forehand return to United States' Serena Williams during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Feb. 16, 2021.(AP Photo/Andy Brownbill)