Jack Draper is on to a second serve and Ugo Humbert can't get under the return.

Second break point.

No panic from Ugo Humbert, who saves the break point and then gets forward to pop a volley out of Jack Draper's reach for game point.

There's no escape just yet, though, as the Frenchman overhits from the baseline.

Ugo Humbert is making this tough for Jack Draper to really get the home crowd going, but a superb cross-court backhand gets him on the board at 30-15 on the Frenchman's serve.

And he is building momentum here!

Draper has his first break point as he slots a winner past Humbert.

Image source, Getty Images

Jack Draper has control of his opening game at 40-0, but Ugo Humbert then fires back with a couple of points.

That certainly won't help Draper's mood, but the Briton gets over the line as Humbert misses out wide.

Almost an hour on the clock, in record June temperatures, and Jack Draper might need to stretch this out a fair bit longer if he's to get his shot at the title.

It's Ugo Humbert serving first in the second set, and the Frenchman holds to 15 as he begins his push to the finish line.

Draper was chatting away to his team during that game, he's not happy about something at the moment.

Relief for Jack Draper. The Briton has to build on a second serve and Ugo Humbert fails to capitalise.

But he just can't get rid of his opponent here.

A fourth set point for the Frenchman... and that's long from Draper!

Draper hammers a ball into the sky in frustration. He's going to have to go the long way round if he's to make the Eastbourne final.

Image source, PA Media

Relentless hitting from Ugo Humbert. The Frenchman takes control of a rally and eventually forces Jack Draper out of position before sending a winner in the opposite direction.

A third set point for Draper to try and see off here...

Brilliant from Jack Draper! The Briton is aggressive on another must-win point and pushes himself up the court to eventually break down Ugo Humbert's resistance and stay in the set.

A big shout of 'Come on!' from Jack Draper after seeing off the set point - but Humbert forces a second...

A good return from Ugo Humbert helps him reach a first set point.

A good start for Jack Draper, whose first serve down the middle has too much on it for Ugo Humbert.

But the Frenchman unleashes a big forehand down the line to level, before Draper nets from mid-court to leave Humbert two points from the first set.

Excellent serving from Ugo Humbert, who guarantees himself at least a tie-break here.

Andy Murray is shown in the coaching box, puffing out his cheeks.

Is that the match state, as Jack Draper steps out to serve to try and stay in the set? Or just in response to the baking heat as the sun beats down on him?

If it was the former, he can soon relax as Draper does what he must and holds serve with minimal fuss.

Both players are becoming much more vocal now as they try and wrest control of this opening set.

Ugo Humbert celebrates after cracking a forehand down the line on his way to a 40-0 lead, and holds serve with an ace a couple of points later - but only after Jack Draper crashes in a return to delight the crowd.

A big celebratory swing of the fist from Jack Draper!

The Briton works his way out of a first tight spot to hold from deuce and level the first set at four games apiece.

Can he use that as a springboard to go and take the set now?

Jack Draper appears to be cruising to another hold as he stretches out to 40-0, but he nets while scampering back to the baseline as Ugo Humbert applies a bit of pressure by taking the fourth and fifth points of the game.

Big return and a heavy follow-up shot from Humbert! Deuce, for the first time in this match...

A booming first serve from Ugo Humbert ensures the Frenchman holds off Jack Draper again at 40-30 - and still there is no way through for either player as both players head to their chairs and we edge towards the business end of this opening set.

Ugo Humbert is getting all the luck so far, as Jack Draper's forehand comes up off the net and sits up kindly for the Frenchman, whose subsequent volley also catches the net but drops in and out of reach.

Humbert gets his first couple of points on the Draper serve, but the Briton hammers a forehand down the line to hold for a third time.

More positive play from Jack Draper as he again edges to within two points of a breakthrough on Ugo Humbert's serve.

But the Frenchman is handling the key points really well so far and holds from 30-30 to nudge back in front.

Wow, another rapid hold of serve to love for Jack Draper.

He's made a solid start here and will now look to apply more pressure on Ugo Humbert's game.