An injured Naomi Osaka was one of the biggest names to fall on a day of upsets at the Madrid Open.
Spain’s Sara Sorribes Tormo beat Osaka 6-3, 6-1 in the second round on Sunday on the Spanish capital’s outdoor clay courts.
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Osaka said that her movement was limited by pain in her left leg, which was heavily taped.
“I felt something in my Achilles after my last match, and like I wasn’t really able to hit yesterday because I wanted it to go away,” she said.
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Four-time Grand Slam winner Osaka fired six aces but had her serve broken five times by Sorribes Tormo, who had already bettered French Open runner-up Anastasia Pavlyuchenkova.
“Honestly, I probably should have been a bit smarter about the whole way that I went through everything,” she added.
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“I feel like I couldn’t play the way that I wanted to play like I was limited.
“I don’t even really know what I did to my Achilles, so I’m probably going to get an ultrasound and see what happened, and then I and my team will kind of move forward from there.”
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Sorribes Tormo next faces Daria Kasatkina after she fought back to upset fourth-seeded Maria Sakkari 3-6, 6-3, 6-1.
Ukraine’s Anhelina Kalinina brushed aside Muguruza 6-3, 6-0.
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Muguruza, the reigning WTA Finals champion, had pain in her right calf but said this wasn’t the reason for her defeat.
“I was surprised with her game. I didn’t know her at all,” Muguruza said.
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“In those break moments, they didn’t work. I just let it go in (on) a couple of points.”
Bianca Andreescu beat sixth-seeded Danielle Collins 6-1, 6-1 after the American lost her serve six times and had six double-faults.