Britain's Joe Salisbury continued his bid for a second Australian Open men's doubles title as he and American Rajeev Ram progressed to the third round.
The second seeds beat New Zealand's Marcus Daniell and Dane Frederik Nielsen 6-1 6-2.
They will face Australian pair Dane Sweeny and Li Tu next.
However, British duo Dominic Inglot and Ken Skupski were beaten 7-5 6-3 by Japan's Ben McLachlan and South African Raven Klaasen.
There was also defeat for Heather Watson and Italy's Jasmine Paolini in the women's doubles.
The two lost 6-4 6-3 to Ukrainians Dayana Yastremska and Marta Kostyuk.