Second seed Caroline Wozniacki kept her dreams of a first grand slam alive at the Australian Open with victory over Kiki Bertens.
Will Smith gave Nick Kyrgios a big thumbs up following his Australian Open triumph over Jo-Wilfried Tsonga.
Another straight-sets win for Rafael Nadal against Damir Dzumhur serves as an ominous sign for his Australian Open rivals.
Marta Kostyuk, who will take home 142,500 AUD following her third-round loss, was candid after going down to Elina Svitolina.
On a day which saw temperatures around the 40 degree mark, Roger Federer was granted his request to play at night.
Shenzhen beat off competition from Manchester, Prague and St Petersburg to stage the WTA Finals for a decade.
As she continues to struggle with an ankle problem, Simona Halep says she feels no pressure to win the Australian Open in Melbourne.
Garbine Muguruza was the biggest casualty in the women's draw at Melbourne Park, but Angelique Kerber won on her 30th birthday.
Defending Australian Open champion Roger Federer made it two wins from two in Melbourne, but there were surprise casualties on day four.
Roger Federer booked a third round clash with Richard Gasquet at the Australian Open after a straight-sets win over Jan-Lennard Struff.