(Reuters) -World number one Aryna Sabalenka kept her Cincinnati Open title defence alive by claiming a 7-6(3) 4-6 7-6(5) victory over Emma Raducanu in a marathon third-round clash on Monday, while men's top seed Jannik Sinner overcame Canadian Gabriel Diallo.

Jannik Sinner and Aryna Sabalenka got their title defenses off to smooth starts as they powered into the third round of the ATP-WTA Cincinnati Open on Saturday.The men's and women's top seeds, each ranked number one in the world,

World No. 1 Aryna Sabalenka has called for a bigger dining room at the Cincinnati Open, despite being impressed with the tournament's recent upgrades. Sabalenka overcame an early challenge to defeat Marketa Vondrousova 7-5,