Daniele Lupo/Paolo Nicolai, Italy (11) defeated Christopher McHugh/Damien Schumann, Australia (35) 2-0 (21-15, 21-12).
Italy avenged an earlier 2-1 loss in Moscow last month to Australia in the two teams' only previous FIVB World Tour meeting.
In Pool K, Italy is 2-0 and Australia is 1-1. Also in Pool K, Russia's Oleg Stoyanovskiy/Artem Yarzutkin and Abubakarr Kamara/Lombie Patrick of Sierra Leone are both 0-1.
Up next for Italy is Russia while Australia will play Sierra Leone. Both matches are Tuesday, 1 August.