Top seed Garbine Muguruza pulled out of the WTA tournament in San Jose with a right arm injury, hours before her opening match.Also Read - Emma Raducanu Advances As Garbine Muguruza, Maria Sakkari Shown The Door In Madrid Open

“I’ve been feeling some pain in my right arm for a couple of days and realized I am not ready to play the match, so hopefully I can recover for the next tournaments,” Muguruza said in a statement. Also Read - Australian Open: Top-10 Seeds Garbine Muguruza And Anett Kontaveit Eliminated In Second Round

The Spaniard, bounced from the second round in her title defence at Wimbledon, had been hoping to rebound on the hard courts of San Jose with the US Open looming in less than a month. Also Read - Spain's Garbine Muguruza Beats Anett Kontaveit to Win WTA Finals Title

Muguruza, ranked seventh in the world, was a semi-finalist in San Jose last year, falling to eventual champion Madison Keys.

Lucky loser Anna Blinkova of Russia replaces Muguruza in the draw to play Victoria Azarenka of Belarus in a second-round match on Wednesday night.

Former world number one Azarenka defeated Kateryna Bondarenko in three sets in the first round.

Muguruza’s withdrawal follows the shock first-round exit of 23-time Grand Slam champion Serena Williams, who fell 6-1, 6-0 to Britain’s Johanna Konta on Tuesday.

Williams, seeded sixth and playing her first match since she was beaten in the Wimbledon final by Angelique Kerber, suffered the most lopsided defeat of her career.