After dropping the first set, Madison Keys regrouped and found her rhythm, powering through to a win in a third-set tiebreak.

After getting by Vondrousova, Sabalenka now looks ahead to her next match against an in-form Raducanu. The two last played earlier this year at Wimbledon in the Round of 32, a match Sabalenka won 7-6 ...

Iga Swiatek dropped just five games to Anastasia Potapova in the Cincinnati Open second round, and will next face Marta Kostyuk.