![Serbia's Novak Djokovic returns a ball to Switzerland's Roger Federer during their final match at the Davidoff Swiss Indoors tennis tournament at the St. Jakobshalle in Basel, Switzerland, Sunday, Nov. 7, 2010. ( Serbia's Novak Djokovic returns a ball to Switzerland's Roger Federer during their final match at the Davidoff Swiss Indoors tennis tournament at the St. Jakobshalle in Basel, Switzerland, Sunday, Nov. 7, 2010. (](https://c8.alamy.com/comp/2P7CBDA/serbias-novak-djokovic-returns-a-ball-to-switzerlands-roger-federer-during-their-final-match-at-the-davidoff-swiss-indoors-tennis-tournament-at-the-st-jakobshalle-in-basel-switzerland-sunday-nov-7-2010-ap-photokeystone-georgios-kefalas-2P7CBDA.jpg)
Serbia's Novak Djokovic returns a ball to Switzerland's Roger Federer during their final match at the Davidoff Swiss Indoors tennis tournament at the St. Jakobshalle in Basel, Switzerland, Sunday, Nov. 7, 2010. (
![Novak Djokovic of Serbia kisses his trophy following his final match against Roger Federer of Switzerland in the Rogers Cup ATP Masters Series at Uniprix Stadium in Montreal on August 12, 2007. Novak Djokovic of Serbia kisses his trophy following his final match against Roger Federer of Switzerland in the Rogers Cup ATP Masters Series at Uniprix Stadium in Montreal on August 12, 2007.](https://c8.alamy.com/comp/TYF9XB/novak-djokovic-of-serbia-kisses-his-trophy-following-his-final-match-against-roger-federer-of-switzerland-in-the-rogers-cup-atp-masters-series-at-uniprix-stadium-in-montreal-on-august-12-2007-djokovic-defeated-the-top-ranked-federer-7-62-2-6-7-62-to-lead-the-us-open-series-of-tournaments-upi-photograce-chiu-TYF9XB.jpg)
Novak Djokovic of Serbia kisses his trophy following his final match against Roger Federer of Switzerland in the Rogers Cup ATP Masters Series at Uniprix Stadium in Montreal on August 12, 2007.
![Djokovic in his prime and threatening record books - The Himalayan Times - Nepal's No.1 English Daily Newspaper | Nepal News, Latest Politics, Business, World, Sports, Entertainment, Travel, Life Style News Djokovic in his prime and threatening record books - The Himalayan Times - Nepal's No.1 English Daily Newspaper | Nepal News, Latest Politics, Business, World, Sports, Entertainment, Travel, Life Style News](https://thehimalayantimes.com/uploads/imported_images/wp-content/uploads/2015/09/2015-09-14T031639Z_1438694820_TB3EB9E093HTD_RTRMADP_3_TENNIS-OPEN.jpg)
Djokovic in his prime and threatening record books - The Himalayan Times - Nepal's No.1 English Daily Newspaper | Nepal News, Latest Politics, Business, World, Sports, Entertainment, Travel, Life Style News
![Grand Slam Champions Roger Federer of Switzerland L and Novak Djokovic of Serbia before Semifinal Match at Australian Open 2016 Editorial Image - Image of australia, park: 184535440 Grand Slam Champions Roger Federer of Switzerland L and Novak Djokovic of Serbia before Semifinal Match at Australian Open 2016 Editorial Image - Image of australia, park: 184535440](https://thumbs.dreamstime.com/z/melbourne-australia-january-grand-slam-champions-roger-federer-switzerland-l-novak-djokovic-serbia-semifinal-match-184535440.jpg)
Grand Slam Champions Roger Federer of Switzerland L and Novak Djokovic of Serbia before Semifinal Match at Australian Open 2016 Editorial Image - Image of australia, park: 184535440
![Roger Federer, of Switzerland, serves to Novak Djokovic, of Serbia, during the men's championship match of the U.S. Open tennis tournament, Sunday, Sept. 13, 2015, in New York. (AP Photo/Bill Kostroun Stock Roger Federer, of Switzerland, serves to Novak Djokovic, of Serbia, during the men's championship match of the U.S. Open tennis tournament, Sunday, Sept. 13, 2015, in New York. (AP Photo/Bill Kostroun Stock](https://c8.alamy.com/comp/2N1F7C0/roger-federer-of-switzerland-serves-to-novak-djokovic-of-serbia-during-the-mens-championship-match-of-the-us-open-tennis-tournament-sunday-sept-13-2015-in-new-york-ap-photobill-kostroun-2N1F7C0.jpg)