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

Elena Rybakina defeated top seed Aryna Sabalenka 6-1, 6-4 on Friday to knock the defending champion out in the quarter-finals of the WTA and ATP Cincinnati Open.Rybakina will play in a semi-final against Iga Swiatek,

(Reuters) -Defending champion Aryna Sabalenka was dismantled 6-1 6-4 on Friday by Elena Rybakina who powered into her first Cincinnati Open semi-final with a display of clinical serving. The Kazakh ninth seed delivered a brilliant performance to secure her seventh career win over a top-ranked player and set up a blockbuster clash with Poland's Iga Swiatek in a showdown of Wimbledon champions.