Novak Djokovic (Serbian: Novak Đoković, Новак Ђоковић, pronounced [nôʋaːk d͡ʑôːkoʋit͡ɕ] ( listen); born 22 May 1987) is a Serbian professional tennis player who is currently ranked world No.1 in men's singles tennis by the Association of Tennis Professionals (ATP).[4] He is considered one of the greatest tennis players of all time.[a] He is coached by former Slovak tennis player Marián Vajda and former German tennis player and six-time Grand Slam champion Boris Becker. <br /> <br />Roger Federer (German: [ˈfeːdərər] born 8 August 1981) is a Swiss professional tennis player who is currently ranked world No. 3 by the Association of Tennis Professionals (ATP).[3] His accomplishments in professional tennis cause him to be regarded by many as the greatest tennis player of all time.[a] Federer turned professional in 1998 and has been continuously ranked in the top 10 since October 2002. <br /> <br />Federer holds several records of the Open Era: holding the world No. 1 position for 302 weeks[17][18] (including 237 consecutive weeks);[19] winning 17 Grand Slam singles titles; reaching each Grand Slam final at least five times (an all-time record); and reaching the Wimbledon final ten times. He is among the eight men (and among the five in Open Era) to capture a career Grand Slam. Federer shares an Open Era record for most titles at Wimbledon with Pete Sampras (seven) and at the US Open with Jimmy Connors and Sampras (five). He is the only male player to win five consecutive US Open titles. <br /> <br />LIKE MY FACEBOOK PAGE <br />https://www.facebook.com/PAK-Tennis-118501918214156/ <br />SUBSCRIBE ON YOUTUBE CHANNAL <br />https://www.youtube.com/dashboard?o=U <br />FOLLOW ME AT TWITTER <br />https://twitter.com/ovais_sumra <br />FOLLOW ME AT DAILYMOTOIN <br />http://www.dailymotion.com/owais-ali7