(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.

Top-ranked Aryna Sabalenka fought through a three-hour battle to hold off an inspired Emma Raducanu 7-6 (7/3), 4-6, 7-6 (7/5) on Monday and reach the fourth round of the ATP and WTA Cincinnati Open.Sorana Cirstea defeated Yuan Yue 6-7 (2/7),

Aryna Sabalenka’s Cincinnati title defense stayed alive after a marathon win 7-6 (3), 4-6, 7-6 (5) over Emma Raducanu.