Croatia's Petra Martic greets the spectators after winning the women's singles third round match with Czech Republic's Karolina Pliskova at French Open tennis tournament 2019 at Roland Garros, in Paris, France on May 31, 2019. Petra Martic won 2-0. (Xinhua/Gao Jing)

Croatia's Petra Martic celebrates after winning the women's singles third round match with Czech Republic's Karolina Pliskova at French Open tennis tournament 2019 at Roland Garros, in Paris, France on May 31, 2019. Petra Martic won 2-0. (Xinhua/Gao Jing)