Published December 14th, 2015 - 07:17 GMT Switzerland's Roger Federer of Obi UAE Royals returns the ball to Croatia's Ivo Karlovic of Philippine Mavericks during their International Premier Tennis League (IPTL) tennis match on December 14, 2015 in the Emirate Dubai. AFP PHOTO / KARIM SAHIB View as a slider View as a list Tags:DubaiInternational Premier Tennis LeagueRoger FedererKARIM SAHIBIvo Karlovic You may also like Subscribe Sign up to our newsletter for exclusive updates and enhanced content Subscribe Now Subscribe Sign up to get Al Bawaba's exclusive celeb scoops and entertainment news LatestPopular 'Project Freedom': Trump launches operation to free ships in the Strait of Hormuz Devrim Özkan responds to “Hair Smell” controversy on Yeraltı set Small boats attack cargo ship near strait of Hormuz "Taiwan Is Not for Sale": Tense files shadow Trump–Xi meeting Shipping grinds to a halt in the strait of Hormuz after Trump remarks Loading content ...