Novak captured his fourth title of a season on Sunday, and 76th overall, outclassing Australian qualifier John Millman in straight sets 6-3, 6-2 to win the Japan Open tennis tournament.
The world no.1 won a record-equalling 33rd ATP Masters 1000 title in Madrid on Sunday when he beat young gun Stefanos Tsitsipas 6-3, 6-4 in the final. It is Novak's second title of the year and 74th career trophy
The world no.1 wrote a new chapter in the history books when he outplayed second seed Rafael Nadal 6-3, 6-2, 6-3 to claim 15th Grand Slam trophy and a record seventh Australian Open title
The Serbian star was at his best at the Qi Zhong stadium, outplaying the first-time ATP World Tour Masters 1000 finalist Borna Coric 6-3, 6-4 to seize his 32nd ATP World Tour Masters 1000 title, which moves him within one of Rafael Nadal for the most at the elite level
Novak defeated no.3 seed Juan Martin del Potro 6-3, 7-6 (4), 6-3 in the US Open final, joining Pete Sampras in third place among Open Era Grand Slam title leaders (14). The Serbian star clinched his third trophy in New York, adding to wins in 2011 and 2015
In a remarkable Sunday for Novak Djokovic, the 12th-seeded Serb lifted his fourth Championships trophy. Nole won his 13th Grand Slam title, defeating no.8 seed Kevin Anderson in straight sets, 6-2, 6-2, 7-6
Nole dominated from start to finish in a flawless 6-2, 6-0 victory over Raonic, equalling Nadal's record of winning 27 Masters titles.
Novak beat Jo-Wilfried Tsonga 6-2, 6-4 to win his ninth title in 2015 (three Major trophies, five Masters 1000 shields and one ATP 500 crown).
Novak captured his eighth ATP World Tour title of the season and 56th of his career over no.3 seed Rafael Nadal 6-2, 6-2, in the final of the China Open on Sunday.
With a simply outstanding performance, Novak defeated Roger Federer 6-4, 5-7, 6-4, 6-4 to win his 10th Grand Slam trophy.