A shank, followed by a winner from Federer and we're at 15-15.

Down the line comes the forehand but that's an outrageous return from Millman, and he's waiting to bash away the winner.

30-30.

Now then.

A quick hold from Millman, and Federer will have to serve to stay in this set...

Hard, flat, heavy hitting - and Federer cannot make one final return!

Millman breaks!!

Good from Millman, keeping Federer on his toes in these rallies, but there's just a bit too much on this backhand and it floats long for 15-15.

Millman produces a brilliant angle from out wide to get a backhand in and a surprised Federer ends up rolling it along the floor.

Now then! Again, Federer's forehand fails, and it's break point to Millman!

Every time Federer gets his nose in front, Millman finds the perfect serve to outfox the Swiss on the return.

Federer pushes him to 30-30 but a couple of long forehands help Millman's quest to hold serve.

John Millman is hugging that baseline, forcing Federer to defend, before he sends a glorious backhand down the line for a winner.

It's 30-15 to Federer and he rips down a winner of his own to hold.

Federer pulls a forehand just wide and challenges in vain, and then a lovely volley is absolutely hammered back past him by Millman in stunning fashion to level things up.

What a shot!

A floaty backhand from Federer doesn't beat the net, which gives Millman the advantage...

Oh, and the Swiss casually sends a backhand winner down the line to drag things back to deuce.

Federer snatches at a couple of shots and then floats another down the line with such elegance for 15-15.

That's a brilliant lob from John Millman though, Federer only able to watch it bounce just before the baseline, but that's a few errors for Millman, and we're at deuce.

Beauty! Federer rips a backhand winner down the line to go 30-0 up, but he's punished for a casual approach by a passing Millman.

Federer sends a cross-court winner spiralling over before a dab at the net hurries him towards a hold.

A surprise block return from Federer gives him a footing on the Millman serve, and Millman's backhand breaks down to give the Swiss a 0-30 lead.

Federer hoicks a horrible shank about four rows back to get Millman on the board and Millman outslices Federer in a rally for 30-30.

Hello, ace. Hello, hold.

I don't remember a time when this match wasn't going on.

A frustrated Millman shakes his hands as he gets a look at a Federer second serve and can't help but push it long.

Wallop. Cross-court from Fed, Millman can't return, and the Swiss holds.

Federer wallops down a timely ace to get the advantage, but that's a brilliant forehand on the run from Millman to wrong foot the Swiss.

Back to deuce we go.

Down the wing goes Federer and he just hoicks his backhand long to slip 15-30 behind.

A serve and volley gets things back on par but that's a big miss on that forehand from Federer, and we're at deuce.

Forty four unforced errors for Federer so far.

He'll serve to get the fourth set going.

Long, long rally...

And John Millman blinks first! The forehand drifts long and a pumped up Federer shakes his fist.

He leads two sets to one!

Roger Federer is all angles and he balances himself well to see off a net cord and volley home a backhand winner.

My word, Mirka looks stressed! Here's another set point.

Ace!

Brilliant from John Millman! Talk about keeping your cool.

On we go.

Oh, OUCH.

John Millman double faults and that's set point to Federer...