ATP Dubai Duty Free Tennis Championship - Day Two

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Novak Djokovic of Serbia signs autographs for fans after his first... News PhotoATP World Tour,Adult,Autographing,Day 2,Denis Istomin,Dubai,Dubai Duty Free Men's Open,Dubai Duty Free Open,Fan - Enthusiast,Horizontal,Novak Djokovic,Persian Gulf Countries,Qualification Round,Serbia,Signing,Sport,Tennis,United Arab Emirates,Uzbekistan,WTA Tour,WomenPhotographer Collection: Getty Images Sport 2014 Amin Mohammad JamaliDUBAI, UNITED ARAB EMIRATES - FEBRUARY 25: Novak Djokovic of Serbia signs autographs for fans after his first match against Denis Istomin of Uzbekistan on day 2 of the Dubai Duty Free Tennis ATP Championships on February 25, in Dubai, United Arab Emirates. (Photo by Amin Mohammad Jamali/Getty Images)