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.

American fourth seed Ben Shelton battled from a set down to clinch his first ATP Masters 1000 title at the Canadian Open on Thursday, defeating Karen Khachanov of Russia 6-7(5) 6-4 7-6(3).

Ben Shelton clinched his first ATP Masters 1000 title in Toronto, becoming the first American since 2003 to achieve this feat in Canada. He defeated Karen Khachanov in a thrilling three-set match, marked by a final set tiebreaker.