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).

Ben Shelton apologised to Karen Khachanov after beating him in the Canadian Open final on Sunday night. The American softened the blow of Khachanov's defeat by sharing heartfelt words about the Russian and his team following a hard-fought match in Toronto.

Aug 7 (Reuters) - American fourth seed Ben Shelton battled from a set down to clinch his first ATP Masters 1000 title at the Canadian Open in Toronto on Thursday, defeating Russian 11th seed Karen Khachanov 6-7 (5) 6-4 7-6 (3).