Sabalenka's staggering tiebreak record illustrates her play under pressure but also her vulnerability in matches this year.

Emma Raducanu is playing Aryna Sabalenka today in the third round of the Cincinnati Open. The British No 1 battled gamely against the world No 1 in a tight encounter on Centre Court at Wimbledon last month before succumbing to a 7-6,

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,