Wimbledon has issued the following statement regarding the medical incident on Court 12 this afternoon: "A 60-year-old female collapsed while watching tennis on Court 12. She received immediate medical attention and was successfully resuscitated before being transported to a local hospital.

"Play was suspended and the court evacuated to give appropriate space for treatment."

Ace to kick off this service game from Dan Evans, right on the chalk says Hawk-Eye, that's his second of the match. A meaty body serve follows to ruffle Joao Sousa's feathers 30-0.

The first set was pretty evenly matched until the very end. The second set has been a little more one-sided so far.

Fed is in complete control. Pouille needs to find the shots he was producing earlier, otherwise this could be over quite quickly.

Hold to love for Joao Sousa. Over to Dan Evans to serve for the opening set...

Boris Becker
Three-time Wimbledon champion on BBC TV

In a way it's easy for Pouille today because there's no pressure, he's playing Roger on the biggest court we have.

The question for him is what's he going to do throughout the rest of the year?

Federer has played a few special shots in his time and this is one of them - he somehow picks up a skidding low volley from far out past his right-hand tram-line and whips it back over the net and past Pouille, who was probably celebrating a winner.

The Swiss could not get a racquet on Pouille's serve until five minutes ago, but now he is all over it. That's another break, and Fed has now won four games in a row.

Miscue off the backhand from Joao Sousa after trying to encroach on Dan Evans' second serve. The Brit skips across the net to meet a hanging ball and jabs it home to hold.

This isn't looking good for Coco Gauff and Jay Clarke.

0-30 on the Clarke serve.

The Brit needs to pull out some big shots.

Image source, Reuters

Fed speeds through this one, and attention is quickly back on the Pouille serve. Whatever is going on in his head, he needs to focus here.

Joao Sousa holds on and comes through, but remains a break down.

Good hustle from Sousa. He recovers to advantage but then paddles a forehand long.

The world number 69 leaps into a winner on his favourite side, but again struggles to close out. That's deuce.

Boris Becker
Three-time Wimbledon champion on BBC TV

Federer raised his game just when he needed to. He threatened the Pouille serve at the right time.

The great ones rise to the occasion. Pouille shouldn't be downhearted, he has played well.

Uh-oh. In the blink of an eye, Federer takes a big step towards his 350th Grand Slam singles win.

One brilliantly-constructed Federer point, and two loose backhands from Pouille and the Swiss has two set-points. He takes the second one, when the Frenchman finds a tramline and all of Pouille's good work is for nothing.

"He has played well, he shouldn't be too downhearted," is Boris Becker's verdict in the BBC commentary box. "Federer had to play his very best tennis to win that set."

Image source, Getty Images

Brilliant. A slice backhand to drag Joao Sousa in and then a thumping backhand down the line to win the point from Dan Evans.

And now the British number three is cooking. Sousa comes dashing in again, Evans is so far behind the baseline he's almost playing a forehand from Buckingham Palace but he zings it past the Portuguese to bring up break point.

Jay Clarke is twice more dazzled by Jelena Ostapenko's shot-making - the Latvian has been superb in this match.

The older pair hold.

Image source, Getty Images

Nicola: So much of Dan Evans as a tennis player is unconventional... But it works... If he can just keep his focus there is so much potential there

Twelve unforced errors from Joao Sousa in this match so far, as Dan Evans holds to love.

Boris Becker
Three-time Wimbledon champion on BBC TV

Federer took that game very seriously - he knows how dangerous Pouille is when he gets on a roll.

Pouille is giving this one a good old go and he is having some joy, bringing more mistakes from Fed, and earning another break-point and some mutterings of disbelief from the Centre Court crowd.... who are in for a treat on the next point.

Fed saves it, but what a point it was, with Pouille getting two smashes back and darting unsuccessfully after a third. "That has to make the highlights show," says Boris - he's right you know.

Fed holds, but he is having to fight a lot harder than expected here.