Yannick Hanfmann saves the break point to pull us to deuce, but he sends a tired forehand into the net and Carlos Alcaraz has another chance to pull a double break up.

Carlos Alcaraz holds up his hands in a apology after his drop shot nicks the net and catches out Yannick Hanfmann.

Hanfmann gets his revenge with a clever backhand drop shot of his own, but the next one doesn't work and Alcaraz gets there before stopping a pass with a brilliant winner on the stretch.

Break point.

Things are ticking away nicely for Carlos Alcaraz.

He starts and finishes his service game with an ace and he's only a couple of games away from a place in the third round.

Despite his physical struggles, Yannick Hanfmann rushes through his service game - finishing it off with an ace.

Carlos Alcaraz picks out his serve and Yannick Hanfmann can't quite get a proper racquet behind them.

He gets to that one though, but when he races to Alcaraz's drop shot and gets there with plenty of time to spare, he pushes an easy hit into the net - gifting Alcaraz the hold.

After landing a lovely drop shot, Carlos Alcaraz double faults and then misses a cross-court backhand. 15-30.

Yannick Hanfmann is struggling physically and it's taking a toll on his serve, with Carlos Alcaraz swatting away a couple of returns for a 0-30 lead.

The German player grits his teeth and works his way back into the game, but then he sends a forehand long to give Alcaraz the break.

After three back-to back aces, it looks like Carlos Alcaraz has messed up his chance for four in a row after planting his first serve into the net.

But the world number one goes big with his second serve, sending it out wide and leaving Yannick Hanfmann with no chance.

Not a bad service game, that.

Whatever the problem is that required a medical timeout for Yannick Hanfmann, he pulls out a decent service game and he holds to love.

While Yannick Hanfmann appears to be in some serious discomfort as he receives a massage, Carlos Alcaraz waits at the baseline and whirls his racquet about on his finger.

Hanfmann is back on his feet and it looks like he is going to be fine to continue.

This isn't looking good for Yannick Hanfmann. He's called for treatment and is now having a medical timeout in between sets.

It looks like it's his ribs that are bothering him.

Talk about angles! Yannick Hanfmann looks like he's caught Carlos Alcaraz with a great cross-court return, but the top seed gets there and squeezes it back with a sublime, angled winner across the court.

And that's the second set done and dusted. He made lighter work of that one.

We've hit the two hour mark on Rod Laver Arena and Carlos Alcaraz is serving for the second set.

It looked it would be a straightforward service game for the world number one as he raced to a 30-0 lead, but he's been pulled back by a couple of unforced errors.

Image source, Getty Images

Men's world number one Carlos Alcaraz is a set and a break up against Germany's Yannick Hanfmann at 7-6 (7-4) 4-2.

Women's third seed Coco Gauff is closing in on victory against Olga Danilovic, leading 6-2 4-1.

Elsewhere, men's 11th seed Daniil Medvedev has just wrapped up a comeback four-set victory over Quentin Halys.

And, in case you missed it, a short while ago British players Emma Raducanu and Arthur Fery have both exited the tournament.

But men's doubles top seeds Julian Cash and Lloyd Glasspool are through to the second round following a straight-set win in their opener.

Image source, Getty Images

Miss any of Tuesday's Australian Open action?

Here are a few of the headlines:

• Victorious Sinner sees 'room to improve' on serve
• Boulter outclassed in straight-set loss to Bencic
• 'Timid' Keys overcomes nerves to start title defence
• Father-to-be Ruud ready to leave Melbourne early
• Two-time champion Osaka dazzles with jellyfish outfit before squeezing past Ruzic

Anastasia Potapova moves on to face world number one Aryna Sabalenka.

Earlier today, Sabalenka defeated Zhuoxuan Bai 6-3 6-1 in 72 minutes.

A delicious backhand down the line keeps Emma Raducanu involved.

Two more match points to come, though...

Emma Raducanu tries to slice in a drop shot but it falls just short of the net.

Anastasia Potapova grabs her lower leg after initially running for it, but whatever she felt doesn't appear too serious as she sets up three match points.

The crowd continue to get behind Emma Raducanu. So much so that one member is asked to stop making noises in moments which might affect Anastasia Potapova.

The Briton puts together a solid service game to force Potapova to try and complete the job.