Aryna Sabalenka's Cincinnati Open title defense is over. The World No. 1 was eliminated by Elena Rybakina in the quarterfinals Aug. 15.

Max Mirnyi won the 1998 U.S. Open and Wimbledon mixed doubles titles with Serena Williams and lost in the finals of the 1999 Australian Open. With Williams. Miryni joined the staff of Aryna Sabalenka in January.

Aug 15 (Reuters) - Elena Rybakina powered into her first Cincinnati Open semi-final after stunning defending champion Aryna Sabalenka 6-1 6-4 on Friday, while five-times Grand Slam champion Carlos Alcaraz recovered from a second-set blip to beat Andrey Rublev.