There will be no all-American final on the men's side, though, after Felix Auger-Aliassime upset top seed Tommy Paul. He will face No. 2 seed Sebastian Korda.

With all eyes on his right wrist Monday, the Austrian held firm to defeat Maximilian Marterer, 6-1, 6-7 (3), 6-4.

Elsewhere Wednesday, Tiafoe lost to Koepfer and Draper sailed past Nishioka.