Pakistan, Aug. 15 -- Defending champions Jannik Sinner and Aryna Sabalenka booked quarterfinal berths at the rain-hit ATP-WTA Cincinnati Open on Wednesday with straight-set wins.

Sinner shrugged off a mid-match rain interruption lasting nearly three hours as he advanced with a 6-4, 7-6 (7/4) victory over Adrian Mannarino.

He next faces Canada's Felix Auger-Aliassime, who beat Benjamin Bonzi of France 6-4, 6-3.

Sabalenka, taken to three sets in her previous match with Emma Raducanu, defeated Spain's Jessica Bouzas Maneiro 6-1, 7-5, winning a season-leading 50th match of 2025 and reaching her 29th career last-eight at the elite 1000 level.

Sabalenka had to work after surrendering a second-set break, but she broke Bouzas Maneiro in the f...