"Shattered by what has happened in
Destrozado por lo que ha ocurrido en Barcelona! Todo mi apoyo a las familias afectadas y a la ciudad.— Rafa Nadal (@RafaelNadal) August 17, 2017
Nadal won the title this year at
A van driver slammed into crowds on Las Ramblas,
Sixth-ranked Muguruza, who captured the Wimbledon title last month, learned of the incident during a two-hour rain delay in her 6-4, 3-6, 7-6 (7/3) victory over American Madison Keys.
"I couldn't believe it. I have been so many times to that place, so many times. It's like a main street with a lot of shops and people," Muguruza said."I was very surprised because you always hear what happened in
"I've been there so many times. So it really shocked me. Really shocked me."I'm just sad for the people that were there. I feel like if you're in the wrong place at the wrong time, it can happen anywhere."
Once Muguruza learned of the attack, she called to make certain her family was unharmed.
"During the rain delay. I'm like OK, I was listening to music, I checked for news and stuff, and I'm like, 'Oh,'" Muguruza said. "I checked with my family. Everything is OK, but, you know, it's just incredible."
Muguruza said she was able to set aside the emotional shock and return to finish her match, deadlocked 2-2 in the third set when the storm struck. She saved three match points before breaking in the 12th game, then led all the way in the tie-breaker.
"I'm used to putting so many things aside to be able to compete. That's my every day, putting things aside and going out there and have two hours of concentration of tennis," Muguruza said.
"I just make sure that people around me are fine. There is not a lot I can do anymore. Just support the people. Be with them. But at the end I've got to go play. And after, we can talk again. But I have to kind of block it for two hours."
David Ferrer, who also advanced to the quarter-finals, tweeted after his match: "All my solidarity with the people affected in the attack of
Toda mi solidaridad a las personas afectadas en el atentado de Barcelona.. Muy triste todo lo que esta pasando.— David Ferrer (@DavidFerrer87) August 17, 2017
And Ramos-Vinolas tweeted ahead of his meeting with Nadal: "Great pain when seeing what is happening in #