Australian Open: Djokovic, Nadal, Serena to quarantine in Adelaide, not Melbourne 0 5 09 Jan 2021 06:49 Timesofindia.indiatimes.com (sports) Tennis' top stars will quarantine in Adelaide rather than Melbourne and play an exhibition there ahead of the Australian Open, with the city also hosting a WTA event after the years' first Grand Slam, organisers said Saturday.