Neither man was broken in the fifth set. Shelton, who had lost all three of his matches, now plays Frances Tiafoe in the All-American semifinals, his third Grand Slam of the century.
The American defeated Stefanos Tsitsipas of Greece (6-2, 6-3, 6-4), Denis Shapovalov of Canada (7-6 (3), 6-7 (5), 6-3, 6-4), Hubert Hurkacz of Poland (6-3, 5-7, 7-6 (3), 7-5, Dutch 6-1-1, Denis Shapovalov (6-3), 6-7 (5), 6-3, 6-4: (3), 6-2) before his victory.
Earlier in the tournament, Alcaraz, ranked 3rd, defeated American Tommy Paul, ranked 20th (6-4, 6-3, 6-4), China’s Yibing Wu (6-3, 6-4, 6-1), Portugal’s Jaime Faria (4-6, 6-0, 6-3, 6-2, 4-6, Russian) and Roman Safiul. (4-6).