The big-hitting Shelton claimed his first career win over Alcaraz, 6-7 (5/7), 6-1, 6-3, 1-6, 7-6 (10/7), ending the Spaniard's hopes of retaining his title in his first tournament back after a four-month injury absence.

Ben Shelton's run to the U.S. Open quarter-finals dealt a blow to tennis traditionalists on Sunday after his win over Stefanos Tsitsipas left the men's draw without a one-handed backhand and ended a 149-year Grand Slam streak.

The all-action 22-year-old told reporters after battling past Lorenzo Sonego 6-4, 7-5, 4-6, 7-6 (7/4) in the quarter-finals that he felt a lot of "negativity".