Fourth-seeded Ben Shelton of the United States rallied in the third set to beat 13th-seeded Flavio Cobolli of Italy 6-4, 4-6, 7-6 (1) on Sunday night in the National Bank Open.

The 22nd-seeded Canadian dropped a 7-6 (4), 7-5 decision to American Learner Tien to the disappointment of the centre court crowd at Sobeys Stadium.