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.

It's been a busy year for women's No. 1 tennis player Aryna Sabalenka. She's made deep runs in every grand slam event so far, reaching the final in the Australia Open and French Open and getting to the semifinal round at Wimbledon.