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

The 22-year-old Shelton, seeded fourth, became the first American winner in the Masters 1000 hard-court event since Andy Roddick in 2003.

Fourth-seeded Ben Shelton beat second-seeded Taylor Fritz 6-4, 6-3 in an all-American semifinal match Wednesday night in the National Bank Open Open.

Ben Shelton became the first American since 2003 to win a Masters 1000 event on hard court after his title win on Thursday, Aug. 7.

Ben Shelton keeps his winning streak alive, adding a significant trophy to his collection at the recent National Bank Open.

The Toronto Masters 1000 final pitted Karen Khachanov against Ben Shelton. The first set was tightly contested between the two players. The Russian served to win the set, but the American managed to break his opponent.