WEDNESDAY’S QUARTERFINALS

Arthur Ashe Stadium Beginning at noon ET Karolina Pliskova vs. CoCo Vandeweghe

Rafael Nadal vs. Andrey Rublev 7 p.m. ET

Madison Keys vs. Kaia Kanepi Roger Federer vs. Juan Martin del Potro

Pablo Carreno Busta of Spain beat No. 29 Diego Schwartzman of Argentina 6-4, 6-4, 6-2 in a quarterfinal. The Spaniard also reached the quarters in the French Open in June but had to retire from his match.