Emma Raducanu withdrew from her opening match at the Wuhan Open against Ann Li, struggling with the humid conditions on court.

No. 5 seed Jessica Pegula staged a dramatic comeback at the China Open, saving three match points in a tense second-set tiebreak before defeating No. 30 seed Emma Raducanu 3-6, 7-6(9), 6-0 in two hours and 21 minutes to book her place in the fourth round.