Ìdíje Open Australia[a][b] ni ìdíje ọdọọdún tẹ́nìs tí wọ́n dásílẹ̀ ní 1905, tí wọ́n sì úngbá lórí pápá kankéré nítagbangba[c][d] ní Melbourne Park ní Melbourne, Australia. a Known as the Australasian Championships (1905–1926) and as the Australian Championships (1927–1968) during the Amateur Era. b The tournament entered the Open Era with the 1969 edition, allowing professional players to compete alongside amateurs. c Since 1988, Rod Laver Arena features a retractable roof and lights, allowing indoor and night-time play. d The Australian Open specifically uses Plexicushion Prestige hard courts, categorized as a "Medium" speed surface by the International Tennis Federation (ITF). e The tournament was not held in 1986 because of a date change.