Roger Federer advanced to the third round of the French Open with a four-set win over Marin Čilić ©Getty Images

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Roger Federer challenges the chair umpire during his match against Marin Čilić ©Getty Images
Roger Federer challenges the chair umpire during his match against Marin Čilić ©Getty Images
Novak Djokovic covers the court well as he proved too strong against Pablo Cuevas ©Getty Images
Novak Djokovic covers the court well as he proved too strong against Pablo Cuevas ©Getty Images
Ashleigh Barty cuts a frustrated figure after retiring from her match against Magda Linette ©Getty Images
Ashleigh Barty cuts a frustrated figure after retiring from her match against Magda Linette ©Getty Images
Sloane Stephens looks to play a delicate shot at the net on her way to beating Karolína Plíšková ©Getty Images
Sloane Stephens looks to play a delicate shot at the net on her way to beating Karolína Plíšková ©Getty Images
Federico Coria slips as he bowed out of the tournament following a straight sets defeat to Matteo Berrettini ©Getty Images
Federico Coria slips as he bowed out of the tournament following a straight sets defeat to Matteo Berrettini ©Getty Images
Elise Mertens celebrates after beating Zarina Diyas in a deciding set ©Getty Images
Elise Mertens celebrates after beating Zarina Diyas in a deciding set ©Getty Images
Rising star Lorenzo Musetti powered to a comprehensive victory over Yoshihito Nishioka ©Getty Images
Rising star Lorenzo Musetti powered to a comprehensive victory over Yoshihito Nishioka ©Getty Images
Sofia Kenin keeps her eyes on the ball during her win over fellow American Hailey Baptiste on Court 14 ©Getty Images
Sofia Kenin keeps her eyes on the ball during her win over fellow American Hailey Baptiste on Court 14 ©Getty Images