2016 champion began his quest for a second Roland Garros trophy on Tuesday in Paris, when he defeated Mikael Ymer of Sweden 6-0, 6-2, 6-3 on Court Philippe-Chatrier.
Novak and his fellow Serbian, Filip Krajinovic, advanced to the second round at the Rolex Shanghai Masters with a 6-3, 3-6, 10-3 victory against fifth-seeds and 2019 French Open winners, Kevin Krawietz and Andreas Mies.
Novak started his bid for a record seventh Australian Open title with a 6-3, 6-2, 6-2 victory over Mitchell Krueger of the USA. He will next play Jo-Wilfried Tsonga (FRA, WC, H2H 16-6)
The 30-time Masters champion held off Steve Johnson, capitalising on his ninth match point to advance 6-4, 7-6 (4) in two hours and two minutes. Novak will continue pursuit of the 'Golden Masters' when he meets Adrian Mannarino (H2H 3-0) on Wednesday
Wimbledon finalists Novak Djokovic and Kevin Anderson beat Canadians Felix Auger-Aliassime and Denis Shapovalov 6-3, 6-2 to reach the second round in doubles at the Rogers Cup on Monday night