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.

A fresh rules controversy broke out at the Australian Open on Wednesday involving world No 2 Iga Swiatek after she won a point despite hitting the ball following a double bounce.

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.

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.

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.

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.

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.

The 18-year-old was "more nervous" Thursday after announcing himself with a convincing Top 10 win at the Australian Open.

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