Sabalenka edges Raducanu at Cincinnati Open, Sinner passes Diallo test
- Sabalenka relied on her trademark powerful serve to hold firm in the key moments, winning two tiebreaks to take her tally to 18 for the season
- The 23-year-old four-times Grand Slam, whose clash with Diallo was delayed by a fire alarm before the players continued through the noise, next faces the winner of Tommy Paul and Adrian Mannarino
