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.

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.

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.

MELBOURNE, Australia (AP) — Madison Keys upsets No. 2 Iga Swiatek in a third-set tiebreaker to reach her first Australian Open final. Hope for an All-American semifinal was dashed after five-time Grand Slam winner Iga Swiatek beat Emma Navarro on Wednesday.

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.

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.

Day 5 of the Australian Open was a good day for the higher seeds in the men's and women's draws, with big names advancing to the third round. Men's No. 1 seed Jannik Sinner stumbled early against Australian Tristan Schoolkate by dropping the opening set 4-6.

Sabalenka will next face No. 19 Madison Keys, who saved a match point and came back to upset No. 2 Iga Swiatek 5-7, 6-1, 7-6 (10-8) in a high-intensity, high-quality semifinal. On Saturday ...

Three of the four top seeds will compete for the titles over the weekend, with an American looking to play spoiler

Australian Open has been intense, with the men's and women's singles tournaments heating up. Here's what to know about the current bracket.

More remarkably: Djokovic has now advanced to his fiftieth major semifinal, after beating Alcaraz in a grueling four-set match that went to about 1:00 am local time in Melbourne. That number sets yet another Djokovic record in men’s tennis, further cementing the athlete’s legendary status.

Plus, Ben Shelton gets the chance to end the American men's drought at a Grand Slam when he faces Jannik Sinner in the semis