Karen Khachanov uses serve to slay Casper Ruud in Toronto 0 0 02 Aug 2025 22:37 Deadspin.com No. 11 seed Karen Khachanov won 29 of 30 first-serve points (96.7 percent) en route to a 6-4, 7-5 victory over No. 8 Casper Ruud on Saturday to reach