After a week of explosive tennis in Toronto, it all comes down to one final clash: Karen Khachanov vs Ben Shelton for the 2025 National Bank Open title. It’s a matchup between a seasoned Russian powerhouse and an American breakout star — with huge ranking points, momentum, and pride on the line heading into the US Open. This is Khachanov’s first Masters 1000 final since 2018, while Shelton is playing the biggest final of his young career.