Flavio Cobolli is desperate to wrestle back control and races into a 40-0 lead.

Jack Pinnington Jones gets back to 40-30 when his return clips the net cord and drops just over.

But Cobolli holds and is guaranteed at least a tie-break.

Flavio Cobolli is left diving and rolling on the grass after Jack Pinnington Jones gambles and hits a volley winner at the net.

Pinnington Jones lands a winner flush on the line to hold.

That's three successive games now for the Briton.

Jack Pinnington Jones comes out aggressive with the serve and volley but Flavio Cobolli has other ideas and executes a perfect lob to lead 15-0.

The Briton finds himself trailing 15-30 but pops up with two excellent serves to lead.

However, Cobolli stands firm with a backhand down the line for deuce.

Veronika Kudermetova finds the line beautifully with a forehand and then an overhead smash to put herself in control of the game.

She wins a competitive rally with a passing shot which Emma Navarro is unable to get on the end of and she wins her second successive game.

That will give her some much-needed confidence.

Jack Pinnington Jones gets it!

A huge moment in this second set.

The pair engage in a tense rally and it's Jack Pinnington Jones who blinks first when his forehand is low and into the net.

But Flavio Cobolli goes the other way and fires long to hand over another break back point.

Veronika Kudermetova avoids the bagel as Emma Navarro's shot goes wide.

She had two break points and was unable to take either of them but she gets the third one.

A little fist pump from the unseeded Russian for winning her first game of the second set.

Image source, Getty Images

A slow clap greets Jack Pinnington Jones as he gets to deuce.

And it's a huge roar when he gets to break back point.

Jack Pinnington Jones continues building momentum and leads 30-0 against serve.

"Come on Jack," shouts someone in the crowd, but it's Flavio Cobolli who raises his game to level at 30-30.

Another very impressive cross-court effort from Cobolli earns set point.

Jack Pinnington Jones picks up his second ace of the match to lead 0-30.

And he gets the hold when Flavio Cobolli returns his second serve into the net.

Cobolli to serve for a two-set lead.

Veronika Kudermetova hits long despite Emma Navarro being at the other end of the court.

She has made 27 unforced errors in this match so far.

Navarro looks in complete control and has the chance to serve for the match.

Can Kudermetova avoid a bagel?

Flavio Cobolli wastes little time in consolidating that break.

A hold to love and he is just one game shy of leading by two sets.

Gary Rose
BBC Sport at Wimbledon

Jack Pinnington Jones' impressive performance in his first-round win against world number 27 Tomas Martin Etcheverry means many of those arriving at Wimbledon today are keen to watch his second round match. Queues to get a seat stretch round the corner at court 18.

How much those waiting will get to see is uncertain, as Flavio Cobolli gets the first break in this second set.

Jack Pinnington Jones saves the first but there's nothing he can do to save the second.

A loose forehand from the Briton hangs up kindly at the net and Flavio Cobolli watches it on to the face of his racquet before slamming a winner.

Emma Navarro holds to 15, finishing the game with a sweeping forehand as she comes up to the net.

The American 10th seed couldn't have hoped for a much better performance in the sunshine at SW19.

Flavio Cobolli comes out swinging.

The 22nd seed has two break points after a beautiful passing shot.

Just like the first set, Emma Navarro wins the opening three games with ease.

Veronika Kudermetova tries to get some advice from her coach but her main problem in the match has been finding the net far too often and only she can change that.

Flavio Cobolli shows he is more than capable of pulling through a pressure moment to save and get to deuce.

The Italian pops up with a 134mph serve to get to advantage and a forehand winner gets the hold.

John Lloyd
Former GB Davis Cup captain on BBC TV

You feel like Jack Pinnington Jones is in a lot of these rallies now whereas in the first set he was just being run through and he couldn't get anything going.

Image source, PA Media