En-titre champion Novak Djokovic is already at the Australian Open
Novak Djokovic Wins the 2015 US Open Championship | Vogue
Novak Djokovic: What's next for Grand Slam champion after Australia row? - BBC Sport
Novak Djokovic | Biography, Grand Slams, & Facts | Britannica
2018 US Open Champion Novak Djokovic of Serbia Posing with US Open Trophy during Trophy Presentation after His Final Match Victory Editorial Photography - Image of flushing, champion: 126062962