Emma Raducanu had to suck up her disappointment after battling for more than three hours in the Cincinnati heat and coming away with a narrow loss to world No 1 Aryna Sabalenka.

World number one Aryna Sabalenka kept her Cincinnati Open title defence alive as she claimed a thrilling 7-6(3) 4-6 7-6(5) victory over Emma Raducanu in a marathon third-round clash on Monday.

World No. 1 Aryna Sabalenka of Belarus needed three hours and nine minutes to vanquish 30th seed Emma Raducanu 7-6 (3), 4-6, 7-6 (5) to advance to the fourth round of the Cincinnati Open on Monday in Mason,