Czech Marketa Vondrousova booked her place in the U.S. Open quarter-finals by beating ninth seed Elena Rybakina 6-4 5-7 6-2 in a clash of former major winner on Sunday, Reuters reported.
Vondrousova, who has fallen to number 60 in the world, returns to the last eight at Flushing Meadows for the second time following her 2023 run.
"After everything I've been through it's good to be standing here again," Vondrousova said.
"It's a long way to go but its been an amazing week so far I'm incredibly happy to be here."
Vondrousova edged a tight opening set under the lights at Arthur Ashe stadium, punishing an erratic Rybakina who landed under 50% of her first serves, according to Reuters.