Young Aussie Alexei Popyrin pulled off a stunner, cruising past an injured Grigor Dimitrov and into the third round at the U.S. Open.

The 15th-seeded Dimitrov quit with a foot injury while trailing 7-6 (7-4) 7-6 (7- 4) 4-0. But make no mistake, Popyrin won this more than the Bulgarian lost it.

Popyrin — who just turned 22 — pushed through hunger, multiple rain delays and a service break down in the first set, to earn a third-round date vs. No. 24 seed Dan Evans.

After making the fourth round here in 2019 and opting out last year due to COVID-19, Popyrin is looking to reach the second week of a major for the first time.