Roland Garros—Paris, France
Fourth-round results:
(1) Rafael Nadal Defeats Maximilian Marterer 63 62 764
(3) Marin Cilic Defeats (18) Fabio Fognini 64 61 36 67(4) 63
(5) Juan Martin del Potro Defeats (9) John Isner 64 64 64
(11) Diego Schwartzman Defeats (6) Kevin Anderson 16 26 75 76(0) 62
