"I think it's very important [to keep smiling], for sure. The mind is like 80% of the game. You really have to believe in yourself."- @Petra_Kvitova #RG18 pic.twitter.com/mo6z8e3yra— Roland-Garros (@rolandgarros) May 30, 2018
"I think it's very important [to keep smiling], for sure. The mind is like 80% of the game. You really have to believe in yourself."- @Petra_Kvitova #RG18 pic.twitter.com/mo6z8e3yra