Mutua Madrid Open, Madrid, Spain
First-round results:
(10) Kei Nishikori defeats Ivan Dodig 6-4, 6-4
(11) Jo-Wilfried Tsonga defeats Edouard Roger-Vasselin 6-3, 4-6, 6-3
Marius Copil defeats Marcel Granollers 6-3, 6-4
(9) John Isner defeats Teymuraz Gabashvili 7-6(8), 6-4
Dominic Thiem defeats Dmitry Tursunov 6-4, 6-2
Jarkko Nieminen defeats Robin Haase 6-3, 6-2
