Is there a first-set bagel incoming for Mirra Andreeva?

Maria Sakkari, the former world number three, is having a terrible time out on Margaret Court Arena against the Russian teenager, who has broke for a third time and will now serve for the set.

Daniel Kiernan
Former British tennis player on BBC Radio 5 Sports Extra 2

Image source, Getty Images

If Emilio Nava has got any chance of winning - Norrie either falls off a cliff or he gets out of this angry mindset.

If he maintains it, I give him a zero percent chance at winning.

We are back under way on court seven.

Both players should feel refreshed after that short break, so let's see how both of them approach the beginning of this third set.

Maria Sakkari had three break points to get herself on the scoreboard and pull at least one break back, but she misses all three and Mirra Andreeva takes a 4-0 lead in this opening set.

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For those of you just joining us this morning, here's what's been going on at the Australian Open on Wednesday:

• Men's world number one Carlos Alcaraz beat Yannick Hanfmann at 7-6 (7-4) 6-3 6-2
• Women's world number one Aryna Sabalenka overpowered Bai Zhuoxuan 6-3 6-1
• Sabalanka will face Anastasia Potapova next, after the Russian-born Austrian knocked out British number one Emma Raducanu in straight sets
• Fellow Briton Arthur Fery's run is also over following a 7-6 (7-4) 6-1 6-3 loss to Argentina's Tomas Martin Etcheverry
• Third seed Coco Gauff claimed a dominant 6-2 6-2 victory over Olga Danilovic
• Men's 11th seed Daniil Medvedev wrapped up a comeback four-set victory over Quentin Halys, while Spanish 14th seed Alejandro Davidovich Fokina has beaten American Reilly Opelka in five sets
• British men's doubles top seeds Julian Cash and Lloyd Glasspool are through to the second round following a straight-set win in their opener

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Both players have opted to leave the court for a toilet break before this third set, so let's take a look at what else is going on around Melbourne Park...

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Cameron Norrie takes the second set!

The Brit, who was knocked out of the Australian Open first-round last year, fights back from going twice a break down and being forced to save two set points.

Can he see out this second-round match in straight sets?

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What a start for Mirra Andreeva on Margaret Court Arena.

The Russian teenager, the eighth seed, is a double break up against Greece's Maria Sakkari in the opening set.

We're only three games in and Sakkari has racked up eight unforced errors.

Cameron Norrie is laser-focused on seeing out this second set now.

The British number two is within touching distance as he steps up to serve at 4-2 up.

A thumping serve followed by a powerful forehand down the court is enough to unsettle Emilio Nava for 5-2.

Here comes Emilio Nava though.

The American pulls himself back to just a mini-break down in this seven-point tie-break.

The first two points go the way of Cameron Norrie.

His opponent drags a backhand return wide before being pinned to the back of the court again and netting a forehand effort.

Daniel Kiernan
Former British tennis player on BBC Radio 5 Sports Extra 2

They just showed a picture of Emilio Nava's coaches and they look like they have been pulled through a bramble bush! They look fully beat up.

It's a tricky place to be in that coaching box.

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No he can't!

Emilio Nava fluffs two set points and Cameron Norrie capitalises to take us to a seven-point tie-break in this second set.

The Brit is riled up after that double fault mistake. He will fancy his chances now.

Here we go...

What a time to serve up a double fault, Cameron Norrie.

The Brit hands Emilio Nava an absolute gift - a chance to close out this second set.

Can he take it though?

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Emilio Nava lets out a huge roar as he holds serve to lead 6-5 in this second set.

The American needs to gee himself up as much as he can, especially with world number 27 Cameron Norrie hot on his heels.

A run of three games on the bounce comes to an end for the Brit.

Abigail Johnson
Commentator on BBC Radio 5 Sports Extra and BBC Sounds

Emilio Nava is chatting, constantly chatting. And he is jestering frantically.

He is not giving off the most positive vibes at the moment on court seven.

Daniel Kiernan
Former British tennis player on BBC Radio 5 Sports Extra 2

Image source, Getty Images

When we talk about role models that you'd like your kid to act like on the court, it doesn't get much better than Cameron Norrie.

Cameron Norrie is right back in this second set now. He races to a service hold to love with some superb play.

Emilio Nava will be kicking himself. This seems like a must-win set for the world number 89 - and he had it in his hands at 5-3 up.

That'll do!

Emilio Nava hits a forehand wide - his 14th unforced error of this second set - at 0-40 down to hand Cameron Norrie the break.

We are back on serve on court seven.

Cameron Norrie hits a glorious forehand over the head and wide of Emilio Nava at the net to give himself three break points.

A world-class shot from the 26th seed, who is searching for a break to keep himself in this second set.