Novak Djokovic is considered one of the greatest tennis players of all time, as well as one of the greatest sportsmen of all time. With 24 successes in 36 finals, he is the most successful tennis player in Grand Slam events in the men's singles field, ahead of Rafael Nadal (22): 10 Australian Open (record), 7 Wimbledon, 4 US Open and 3 Roland Garros. He is also the only tennis player of the Open era, together with Rod Laver, to have won consecutively, even if not in the same calendar year, all four Grand Slam rounds, but the only one to achieve the feat out of three different surfaces. He is one of four tennis players who have won all the Majors at least twice, along with Roy Emerson, Rod Laver and Rafael Nadal.
With 65 successes in the men's singles, he leads the ranking of victories of the Big Titles, the most important and prestigious tennis tournaments in the world. In addition to the aforementioned 21 Grand Slams, he won 6 ATP Finals (a record shared with Roger Federer), of which 4 consecutive and 38 Masters 1000. In addition, he is the only tennis player to have won all nine Masters 1000 tournaments at least once in his career, a result that, starting from 2009, the ATP calls Career Golden Masters. In the aforementioned tournaments he has a record of 11 consecutive finals, from Paris 2014 to Miami 2016 (with 9 wins). He also won 15 ATP 500 and 12 ATP 250, 1 Davis Cup and 1 ATP Cup with the Serbian national team, 1 Laver Cup and the bronze medal at the 2008 Beijing Olympic Games.