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 Zelenskyy arrives in Türkiye on Wednesday to push for renewed talks to end the war with Russia Kerem Bürsin confirms romance with Selin Yağcıoğlu after quiet Cappadocia getaway 'I Butterfly': Israeli girl group blows up building in music video Japan urges its citizens in China to stay cautious as tensions with Beijing rise over Taiwan Bitcoin drops below $90,000 for the first time in seven months Loading content ...