Ben Shelton became the first American to win an ATP Masters 1000 title in Canada in more than two decades as he defeated Karen Khachanov 6-7 (5/7), 6-4, 7-6 (7/3) in Toronto final on Thursday.

Ben Shelton won the National Bank Open on Thursday night for the third and biggest title of his young career Thursday night, rallying to beat 11th -seeded Karen Khachanov of Russia 6-7 (5), 6-4, 7-6 (3).

Fourth-seeded Ben Shelton rallied for the biggest championship of his career, recording a 6-7 (5), 6-4, 7-6 (3) win over 11th-seeded Karen Khachanov in the final of the National Bank Open on Thursday in Toronto.