At the age of 22 years and 291 days, Ben Shelton is the youngest American to defeat four ATP top-20 players at a single event since Pete Sampras (22 years, 200 days) at Indian Wells in 1994

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 win his first ATP Masters 1000 title at the Canadian Open, defeating Russia's Karen Khachanov 6-7(5), 6-4, 7-6(3).