May 12, 2021, ROMA, ITALY: Simona Halep of Romania is forced to retire with injury from the second round of the 2021 Internazionali BNL d'Italia WTA 1000 tournament against Angelique Kerber of Germany (Credit Image: © Rob Prange/AFP7 via ZUMA Wire)

Simona Halep acorda autografe in finalul meciului cu tenismena Lara Arruabarrena, din cadrul turneului BRD Bucharest Open, vineri, 11 iulie 2014. Principala favorita a BRD Bucharest Open, Simona Halep, a învins-o, cu scorul de 6-3, 6-1, pe jucatoarea spaniola Lara Arruabarrena, locul 120 WTA, si s-a calificat în semifinalele turneului, faza în care o va întâlni pe Monica Niculescu. OCTAV GANEA / MEDIAFAX FOTO

Romania's Simona Halep hits a backhand 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/Hamish Blair)

Romania's Simona Halep hits a backhand 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/Hamish Blair)