Elina Svitolina advances to Australian Open quarterfinals, to face Madison Keys after defeating Veronika Kudermetova.

World No.1 and defending champion Jannik Sinner, Iga Swiatek, Elina Svitolina, Elena Rybakina and other big players will be in action on Day 9 of the hard court major at the Melbourne Park.

The World No. 1, despite feeling unwell in sweltering conditions, kept up his title defense with a four-set triumph.

Earlier in the day, Iga Swiatek cruised past Emma Navarro 6-1, 6-2 in their Women’s Singles quarter-final while Madison Keys secured a surprising 3-6, 6-3, 6-4 victory over Elina Svitolina to set up a meeting with Swiatek tomorrow.

Get caught up on the Australian Open with a guide that tells you everything you need to know about how to watch the year’s first Grand Slam tennis tournament, what the betting odds are, what the schedule is and more: How to watch the Australian Open on TV — In the U.

Meanwhile an all-Aussie mixed doubles final is locked in, with two wildcard teams to face off after Olivia Gadecki and John Peers beat the Kiwi No.2 seeds, before Kim Birrell and John-Patrick Smith defeated two Brits in straight sets.

Imperious Iga Swiatek swept into an Australian Open semi-final against Madison Keys on Wednesday while Jannik Sinner's powers of recovery will be tested to the limit when he faces home hope Alex de Minaur.

World tennis No.1 Jannik Sinner is reportedly seriously ill with pneumonia, ahead of his crucial clash against Alex de Minaur.

Iga Swiatek aiming for her first Australian Open title, faces Emma Navarro next while Jannik Sinner battles Alex de Minaur in the quarterfinals.

The last of the Australian Open men's quarterfinals takes place in the wee hours of Wednesday morning, in the United States.

Tennis Focus, Grand Slam, Hot Topics The quarterfinals conclude on Wednesday in Melbourne. As per Ravi Ubha, Iga Swiatek has dropped fewer games through four rounds this fortnight (11) than