(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.

Aryna Sabalenka and Jannik Sinner secured victories at the Cincinnati Open, with Sabalenka defeating Emma Raducanu in a thrilling match. Raducanu appears to be regaining her form ahead of the U.S. Open.

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,