Sam Stosur and Bernard Tomic each stand just one win away from the main draw in Rome, where they are hoping to join five of their compatriots.

John Millman beats Bernard Tomic in an all-Aussie affair to reach the second round in Estoril, while Ajla Tomljanovic wins her opening-round match in Rabat.

Four Australians will play the ATP Estoril Open, with three - Alex De Minaur, John Millman and Bernard Tomic - clustered in the top quarter.

A straight-sets win to Bernard Tomic over Denis Kudla has sent the Australian into the second round of the US Men's Clay Court Championship in Houston.

Jordan Thompson and Bernard Tomic will contest this week's ATP clay-court event in Houston, Texas, while Astra Sharma heads for the WTA clay tournament in Bogota, Colombia.

Jordan Thompson, Ajla Tomljanovic and Bernard Tomic won their opening-round matches on Thursday, making it seven Aussies in the second round in Miami.

Nick Kyrgios, John Millman, Matt Ebden, Jordan Thompson and Bernard Tomic will play in the main draw at this fortnight's Miami Open.

A day after beating Bernard Tomic, Andreas Seppi ousts Jordan Thompson to end the Australian's Delray Beach Open campaign in the second round.

Australians John Millman and Nick Kyrgios will meet in the first round of the ATP Delray Beach Open, where they are joined in the main draw by Jordan Thompson and Bernard Tomic.

Australians John Millman, Jordan Thompson and Bernard Tomic feature in the main draw at the New York Open, while Ash Barty is the No.8 seed at the WTA tournament in Doha, Qatar.