Felix Auger-Aliassime vs Karen Khachanov — R64 — US Open

The betting market made the third seed a 70 percent favorite, and he held 11 of his 18 service games: Auger-Aliassime is out of the US Open. Khachanov won 39 percent of the return games to the favorite's 11, breaking seven times and opening the third set and the fourth with a break for 1-0. The ATP No. 4 out-hit him 43 winners to 33 and finished with 47 unforced errors to 30, and after converting two break points in the first set he did not earn another across the last two. Khachanov came in on three straight losses and 8-10 on hard this season; 3h 16m later he holds both meetings on record against a top-five opponent.