Defending champion Aryna Sabalenka said she is thriving on the pressure of being world number one after booking her place in the US Open quarter-finals

Defending champion Aryna Sabalenka said she is thriving on the pressure of being world number one after booking her place in the US Open quarter-finals

Aryna Sabalenka said she is thriving under the pressure of being world number one as she took another confident stride towards defending her US Open crown on Sunday.

The 27-year-old from Belarus produced a clinical display to dispatch unseeded Spaniard Cristina Bucsa 6-1, 6-4, a win that marked her 12th consecutive quarter-final appearance or better in Grand Slam tournaments.

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