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 won his fourth Rogers Cup championship and 66th career trophy with a 6-3, 7-5 victory over no.3 seed Kei Nishikori in Toronto final.
Novak beat Andy Murray 3-6, 6-1, 6-2, 6-4 to complete the career Grand Slam, and became just the eighth man to accomplish the feat.
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 completed dream season capturing a career-high 11th title of the year and fifth ATP World Tour Finals trophy (b.Federer 6-3, 6-4)
The world no.1 claimed a record fourth BNP Paribas Masters title on Sunday with a 6-2, 6-4 victory over no.2 seed Andy Murray.
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).