
Kei Nishikori of Japan returns the ball during the second round of men's singles against David Ferrer of Spain at the Italian Open tennis tournament in Rome, Italy, May 17, 2017. Kei Nishikori won 2-0.(Xinhua/Jin Yu)
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Kei Nishikori of Japan returns the ball during the second round of men's singles against David Ferrer of Spain at the Italian Open tennis tournament in Rome, Italy, May 17, 2017. Kei Nishikori won 2-0.(Xinhua/Jin Yu)