British primary Katie Boulter misplaced in straight units towards Aryna Sabalenka within the third spherical of the Canadian Open.
The second seed from Belarus received 6-3 6-3 in a single hour 23 minutes however Boulter produced an encouraging efficiency with the US Open beginning in two weeks’ time.
The 28-year-old created 4 break factors towards the world quantity three in Toronto however was unable to transform any.
Boulter, who reached the quarter-finals at the Olympic Games within the girls’s doubles, will play her ultimate warm-up match earlier than the US Open at subsequent week’s Cincinnati Open.
American high seed Coco Gauff can be out of the Toronto occasion as she surprisingly misplaced 6-4 6-1 towards Diana Shnaider of Russia.
The defending US Open champion was knocked out in 70 minutes by the world quantity 66 and acknowledged she struggled bodily and mentally.
“Generally I query whether or not I ought to have performed or not,” Gauff mentioned.
“However on the finish of the day I needed to check myself and see how I’d do being mentally drained slightly bit and bodily fatigued.
“I did not have excessive expectations, however I want I might have competed higher, even when it resulted in a loss. I do not suppose I competed nicely.”