Alex de Minaur and Ajla Tomljanovic visit Sydney Harbour.

Alexander Zverev hits on Tuesday in Sydney.

Nick Kyrgios training on Tuesday in Sydney.

Petra Kvitova trains in Sydney.

Team Italy in Brisbane on Tuesday ahead of the United Cup.

Jessica Pegula of Team United States and Harriet Dart of Team Great Britain hit together in Sydney.

Team Australia visits Sydney Harbour.

Stefanos Tsitsipas strikes a forehand during practice on Tuesday in Perth.

Team Bulgaria’s Viktoriya Tomova practises in Perth on Tuesday ahead of her nation’s United Cup opener.

Grigor Dimitrov sends down a serve during practice on Tuesday in Perth.

Photo Credit: TENNIS AUSTRALIA