Daniil Medvedev defeated Switzerland’s Henri Laaksonen with ruthless efficiency to go through to the second round of the 2022 Australian Open.
Osaka, seeded 13th, is returning to Grand Slam action after taking a four-month break at the end of last season to protect her mental health.
Djokovic is the current French Open champion, and his absence from the tournament would preclude him from retaining his title.
Naomi Osaka easily made it through to the second round of the Australian Open with a straight sets win over Camila Osorio on Monday (January 17).
Rafael Nadal beat Marcos Giron 6-1, 6-4, 6-2 to ease through to the second round of the Australian Open on Monday (January 17).
Madison Keys is cautiously optimistic to not get back into the “deep dark pit of despair”.
The Serbian winner expressed his hope that attention will now shift back to tennis and the Australian Open Grand Slam, which begins Monday.
A federal court on Sunday upheld the Australian immigration minister cancelling the visa for Novak Djokovic, meaning he will be deported.
The Serb's chances of winning a record-breaking tenth title in Melbourne are in jeopardy after his visa was cancelled twice.
Andy Murray lost to Aslan Karatsev in the final of the Sydney Tennis Classic 6-3, 6-2 as his two-year wait for an ATP title goes on.