In his first match of the 2021 season, the No. 1-ranked Serb beat the Canadian No. 1 in two tight sets to extend his winning streak in Australia to 21 matches. He then took the court again to lead Serbia to a 2-1 victory in the tie.

Monfils, Novak (not that one) and Berrettini will be out to help their countries advance at the ATP Cup.