
Netherlands' Kiki Bertens returns the ball during the semifinal match of women's singles against Romania's Simona Halep at the Italian Open tennis tournament in Rome, Italy, May 20, 2017. Simona Halep won 2-0. (Xinhua/Jin Yu)

Netherlands' Kiki Bertens returns the ball during the semifinal match of women's singles against Romania's Simona Halep at the Italian Open tennis tournament in Rome, Italy, May 20, 2017. Simona Halep won 2-0. (Xinhua/Jin Yu)