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).

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 the Canadian Open final on Thursday. The 22-year-old will rise one place to sixth in the world rankings, overtaking 24-time Grand Slam singles champion Novak Djokovic.

The 22-year-old American beat Australia's Alex de Minaur on Tuesday to set up a showdown with his friend and compatriot.