Angelique Kerber has been knocked out by unseeded Coco Vandeweghe.
Roger Federer overcame a dogged Kei Nishikori to advance to the quarter-finals at the Australian Open.
Venus Williams has notched yet another career milestone at Melbourne Park.
Rafael Nadal is through to the fourth round of the Australian Open.
Serena Williams wins in straight sets over Nicole Gibbs at the Australian Open.
Marcus Daniell has blasted into the third round at the Australian Open in Melbourne.
Roger Federer has cast aside any doubts over his form or fitness with a clinical demolition of Tomas Berdych.
Jo-Wilfried Tsonga is through to the second week of the Australian after defeating Jack Sock.
New Zealand's top men's doubles player Michael Venus is out of the Australian Open.
Former champion Stan Wawrinka has progressed safely into the fourth round.
Sir Andy Murray remains on track for an elusive Australian Open crown.
Svetlana Kuznetsova has been pushed to the limit by Jelena Jankovic at the Australian Open.
After spending so long at the top of the world, Novak Djokovic is no longer the man to beat.
Serena Williams has been given a stern test en-route to a straight sets victory over Lucie Safarova.
Rafael Nadal has looked like a man on a mission in easily dispatching popular Cypriot Marcos Baghdatis.
Novak Djokovic's former coach Boris Becker hasn't held back in criticising him for his loss to Istomin.
Johanna Konta has continued her love affair with the Australian Open by downing Japan's Naomi Osaka.