World number one Jannik Sinner reached the Cincinnati Open quarter-finals with a 6-4 7-6 (7-4) victory over a stubborn Adrian Mannarino. Sinner quickly took control of the match when he broke the 37-year-old Frenchman in the third game. Mannarino, ranked 89th in the world, saved a break point in the seventh game with an ace but the left-hander could not …
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