Provisional ATP calendar for tournaments between January - March 2021:
First or second week of January: Delray Beach (ATP 250)
January 15-17: Mandatory arrival to Melbourne for quarantinne
February 1-7: ATP 250 tournament in unknown yet Australian city + ATP Cup or one ATP 750 tournament in unknown yet Australian city
February 8-21: Australian Open (Grand Slam)
February 22-28: Montpellier, Cordoba (ATP 250) + third ATP 250 tournament with a new license (city yet unknown)
March 1-7: Rotterdam (ATP 500), Buenos Aires (ATP 250) + third ATP 250 tournament with a new license (city yet unknown)
March 8-14: Doha, Marseille, Santiago (ATP 250)
March 15-21: Acapulco, Dubai (ATP 500)
Tournaments in Auckland, Pune, New York, Rio de Janeiro and Indian Wells are cancelled.