Frances Tiafoe charges into U.S. Open semifinals

Frances Tiafoe became the first American man to advance to the U.S. Open semifinals since 2006 by defeating Andrey Rublev in straight sets at New York on Wednesday.

Tiafoe, the 22nd seed, defeated the ninth-seeded Russian 7-6 (3), 7-6 (0), 6-4 in a quarterfinal match that lasted 2 hours, 36 minutes and came two days after defeating Rafael Nadal, a winner of 22 Grand Slams.

Tiafoe's next opponent will third-seeded Carlos