Brisbane: Australia were 268 for nine off 50 overs after winning the toss in the first one-day international against Pakistan in Brisbane on Friday.
Matthew Wade hit a single off the final ball to bring up his 100 off 100 balls and Hasan Ali took three wickets for 65.
Earlier, Australia won the toss and chose to bat.
Australia: David Warner, Travis Head, Steve Smith (capt), Chris Lynn, Mitchell Marsh, Glenn Maxwell, Matthew Wade, James Faulkner, Pat Cummins, Mitchell Starc, Billy Stanlake.
Pakistan: Azhar Ali (capt), Sharjeel Khan, Mohammad Hafeez, Babar Azam, Umar Akmal, Mohammad Rizwan, Imad Wasim, Mohammad Nawaz, Mohammad Amir, Wahab Riaz, Hasan Ali.
Umpires - Mick Martell (AUS) and Chettithody Shamshuddin (IND)
Third umpire - Chris Gaffaney (NZL)
Match referee - Jeff Crowe (NZL)