Australian tennis stars Sam Stosur, Bernard Tomic, Casey Dellacqua and Nick Kyrgios have all taken the ice bucket challenge, raising awareness for motor neurone disease.

Casey Dellacqua's US Open preparations have been cut short after she was knocked out in the first round of the WTA Connecticut Open.

Sam Stosur is headed to next week’s WTA Connecticut Open after scoring a wildcard into the main draw, where she'll join fellow Aussie Casey Dellacqua.

Nick Kyrgios and Thanasi Kokkinakis have continued their impressive ascent up the ATP ladder while Casey Dellacqua has cracked the world's top 30.

Sam Stosur has rallied impressively to oust Varvara Lepchenko in her opening match at the WTA Cincinnati event, while fellow Aussie Casey Dellacqua went down to Pauline Parmentier.

Brit Andy Murray will pair with Heather Watson and Aussie young gun Nick Kyrgios will partner compatriot Casey Dellacqua at Hopman Cup 2015.

Sam Stosur looks set for her second duel with Serena Williams in as many weeks, while Casey Dellacqua opens her Cincinnati campaign against qualifier Pauline Parmentier.

UPDATE: Serena Williams has romped to victory against Sam Stosur at the WTA Rogers Cup in Montreal, Canada, while Casey Dellacqua fell to Petra Kvitova.

Top seeds Serena Williams and Petra Kvitova await Sam Stosur and Casey Dellacqua respectively after Australia's top two ranked women won their opening matches on…

Sam Stosur and Casey Dellacqua have been dealt tough draws at the WTA event in Montreal, while five Aussies line up at the concurrent Canadian men's event in Toronto.