Karen Khachanov rallied to defeat top seed Alexander Zverev and book an ATP Toronto Masters title clash with Ben Shelton, who beat second seeded Taylor Fritz on Wednesday.Shelton, seeded fourth, hammered Fritz 6-4,

Eleventh-seeded Karen Khachanov of Russia outlasted top-seeded Alexander Zverev of Germany 6-3, 4-6, 7-6 (4) on Wednesday night to reach the National Bank Open Open final. The 29-year-old Khachanov,

Ben Shelton is the youngest American to achieve successive ATP top 10 wins in a Masters 1000 quarter-final and semi-final since Pete Sampras (20 years, 364 days) in Cincinnati in 1992. He has also become the youngest American to reach an ATP Masters 1000 final since Andy Roddick (21 years,