Very disappointing play by Rybakina, but at least she won a set.
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29: Vondrousova struck 29 winners against just 15 unforced errors. Rybakina hit 40 winners but was undone by 38 unforced errors.
Vondrousova will face world No. 1
Aryna Sabalenka

in Tuesday’s quarterfinal, their ninth career meeting. Sabalenka leads the head-to-head 5-3, including a 7-5, 6-1 win in the second round in Cincinnati a few weeks ago.
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Marketa Vondrousova prevailed in a battle of former Wimbledon champions, defeating No. 9 seed Elena Rybakina 6-4, 5-7, 6-2 in 1 hour and 51 minutes to advance to the US Open quarterfinals for the second time in her career.
www.wtatennis.com