Tennis. Dubai Tennis Championships, Dubai, UAE. 27 Feb 2015

Borna Coric of Croatia returns the ball to Roger Federer of Switzerland during the Semi Finals of the Dubai Duty Free Tennis Championships, held at the Dubai Tennis Stadium in Dubai, UAE, Friday, February 27th, 2015. Photo by: Stephen Hindley/SPORTDXB

ATPDubaiMen's TennisNovak DjokovicRoger Federertennis