Britons Joe Salisbury and Neal Skupski made the men’s doubles third round with their respective partners at the Australian Open on Friday.
Salisbury and American Rajeev Ram, seeded third in Melbourne, beat Mexican Miguel Angel Reyes-Varela and Germany’s Daniel Altmaier 6-2 6-4.
Skupski and Santiago Gonzalez of Mexico won 6-3 6-4 against Briton Henry Patten and Portugal’s Francisco Cabral.
But Jamie Murray lost in the first round with partner Michael Venus.
Murray and New Zealand’s Venus lost 6-2 6-4 to unseeded pair Ariel Behar and Adam Pavlasek.
In the women’s doubles, Briton Samantha Murray Sharan and Italy’s Angelica Moratelli were defeated 4-6 6-1 7-5 by Hungary’s Timea Babos and Anna Bondar.
Salisbury and Heather Watson unexpectedly gained entry into the mixed doubles draw as alternates and made the most of their opportunity, beating Brazil’s Luisa Stefani and Rafael Matos 6-3 6-4.
Fellow Briton Lloyd Glasspool also won in the mixed doubles first-round with Russian partner Veronika Kudermetova, winning 7-6 (8-6) 5-7 11-9 over American Taylor Townsend and Brazilian Marcelo Melo.