"Still in absolute shock that I finally got to see the man behind my love for tennis in action today", she wrote.
Serb Djokovic could then face a rematch of his 2008 final triumph over Frenchman Jo-Wilfried Tsonga in the second round, before a possible second week match-up against Japan's Kei Nishikori in the quarter-finals.
"He [Djokovic] continues to challenge me".
British number two Heather Watson takes on 31st seed Petra Martic from Croatia while Katie Boulter, playing in her first slam main draw outside of Wimbledon, meets experienced Russian Ekaterina Makarova. We are aggressive. He is up there with Nadal and [Lleyton] Hewitt - they make me rethink my game.
"I've always tried to remind myself that this was my dream to become a tennis player and not that it became a job, that's why I think I'm able to show so much enthusiasm for tennis".
A hard first-round draw for Murray sees the world No 230 face 22nd seed Bautista Agut, though the five-time Australian Open finalist will be buoyed by his 100 per cent record against the Spaniard.
The Spanish 22nd seed defeated Djokovic on his way to the title in Doha last week while concerns about Murray's fitness grew as he struggled through a practice match against Djokovic at Melbourne Park on Thursday.
Three-time major victor Murray is on the comeback trail after missing 11 months with a hip injury which has seen him slump to 230 in the world. Murray played at the season-opening Brisbane International last week, where he won his first-round match against James Duckworth but lost in straight sets to Daniil Medvedev in the second, limping between points and admitting he's still dealing with his troublesome right hip.
Long-time rival Djokovic offered to share a court with him, but Murray called time after less than an hour with his movement around the baseline appearing restricted.
The Swiss six-time Australian champion, who beat Marin Cilic in last year's final, could meet the Croat again in the quarter-finals, should he come through a potentially tricky fourth-round tie against Greek prospect Stefanos Tsitsipas.