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.
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.
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.
“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.”
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.
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.
“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.