Australian Open LIVE: Daniil Medvedev vs Stefanos Tsitsipas tennis result after Rafael Nadal reaches final

Tsitsipas has his back up against the wall - and a couple of unforced errors including a wild forehand wide don’t help as he finds himself at 30-30.

Big moments now, and Medvedev sets up break point as he matches Tsitsipas’ serve out wide with a stunning return on the same angle, which Tsitsipas puts wide.

And there’s the break - again it’s the backhand down the line that sets it up and Medvedev finishes it off with a forehand winner across court.

A key hold from Medvedev as he overcomes an early double fault to win the next three points. It’s sealed by an ace out wide and while it’s hard to do anything against that, Tsitsipas is running out of time to find a solution.

Tsitsipas’ first double fault of the match is compounded by a brilliant backhand winner down the line from Medvedev to move to 15-30.

Pressure on Tsitsipas now, and he blinks on the serve and volley as he turns the approach shot into the net to bring up two break points.

And there it is - how big could that be. Tsitsipas again misses the first serve and his backhand deserts him as he drops a shot into the net.

A big break for Medvedev and he is now in control of this fourth set.

Medvedev fires his 12th ace of the match to quickly move to 40-0 on his serve - only for Tsitsipas to find some magic on his backhand down the line.

And again, that’s another nice shot from Tsitsipas, dropping the backhand low as Medvedev approached, with the Russian unable to scoop the volley over the net.

But Medvedev moves on as Tsitsipas makes the error on the Medvedev first serve out wide.

To add to the drama, Tsitsipas has now received a warning for coaching. The tournament referee is sat below the Tsitsipas box.

Tsitsipas gets back on track as Medvedev goes long on the Greek’s second serve.

This is a seriously impressive momentum swing from Medvedev - after his second-set meltdown. He fires off another hold to love and the pressure is all on Tsitsipas to up his level.

Lovely start from Medvedev as he plays Tsitsipas at his own game with a deft backhand drop shot.

Wow - here comes the attack from Medvedev. Tsitsipas approaches the net but Medvedev hits a supreme backhand winner down the line.

Big trouble for Tsitsipas now - and an error out wide brings up three set points! The Greek saves the first with a body serve that Medvedev can’t react to.

But there’s the break, and the set for Medvedev! He goes on the attack again and after Tsitsipas sends up the lob, he fires the smash down into the court.

Tsitsipas gets his racket to it but he can’t keep it in play!

Medvedev crashes an overhead smash into the corner to win the first point of his service game, and yep, this one is another comfortable hold too.

Tsitsipas sends a backhand wide before an ace out wide from Medvedev is followed by a powerful strike up the middle, which Tsitsipas can’t return.

Medvedev’s serve is well and truly back and he’s a game away from the third set. Tsitsipas will have to serve to stay in this.

Medvedev pulls a forehand wide as Tsitsipas gets off to another 30-0 lead in his service game. He holds onto it this time, however, as Medvedev nets and Tsitsipas goes back to the one-two punch with the serve out wide and volley.

Tsitsipas nets on the opening point of the Medvedev serve before the US Open champion fires a backhand winner down the line.

That’s followed by a loose one from Tsitsipas and Medvedev seals the hold to love as he meets a Tsitsipas return on the volley and directs it into the corner.