Iga Świątek dealt a straight-sets blow to Emma Navarro to reach the semifinals at the Australian Open, setting up a clash with Madison Keys.

A missed double-bounce call, an unseeded Italian hits one of the shots of his life and an all-Australian final is locked in. Here are five quick hits from day 11 of the Australian Open.

The quarterfinals are underway at Melbourne Park, as rumours abound about Jannik Sinner's health ahead of his clash with Alex de Minaur. Follow live.

Former Wimbledon champion Elena Rybakina joined Swiatek in the last 16 with a 6-3 6-4 win over Dayana Yastremska, but only after receiving treatment on her back, while eighth seed Emma Navarro and ninth seed Daria Kasatkina also advanced.

An American woman is a champion once again. After having to face the two best players in the world -- Iga Switaek and Aryna Sabalenka -- Madison Keys has claimed her first Grand Slam title at the Australian Open. Keys outlasted Sabalenka in the final on Saturday over three sets to accomplish the feat.

The final match of the day saw American Learner Tien, playing in his first major outside of the U.S. Open, upset No. 5 seed Daniil Medvedev in a five-set classic, 6-3, 7-6, 6-7, 1-6, 7-6, that ended at 2:54 a.m. local time. Medvedev had reached three of the past four Australian Open finals, but could not fend off a ferocious Tien.

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.

Shelton, the No. 21 seed, won a grueling quarterfinal against unseeded Cinderella Lorenzo Sonego, defeating him 6-4 ... where she'll face No. 2 seed Iga Swiatek. In the other semifinal, No. 1 Aryna Sabalenka will take on No. 11 Paula Badosa.

Melbourne, Australia — Everything came so easily for Iga Swiatek during a 6-1 ... Tien faces 55th-ranked Lorenzo Sonego of Italy, a 6-7 (3), 7-6 (6), 6-1, 6-2 winner over Fabian Marozsan. Against Raducanu, who won the 2021 U.S. Open as a teenage ...

MELBOURNE, Australia (AP) — Iga Swiatek is dominating her Australian ... win over unseeded Lorenzo Sonego of Italy. At his news conference, Shelton was critical of some of the people handling ...

In the women's tournament, No. 1 Aryna Sabalenka cruised to an easy victory against No. 11 Paula Badosa, and looked primed for a meeting with No. 2 Iga Świątek in the tournament final.

Novak Djokovic was at the centre of another Australian Open row on Monday while Jannik Sinner needed medical attention in fierce heat to battle into the quarter-finals and Iga Swiatek won easily.