Novak Djokovic is on the receiving end of an unlucky bounce deep in the court and lets out a groan as he shanks a forehand for 30-all.

He makes no mistake on the next, however, crashing a cross-court forehand winner.

Djokovic puffs out his cheeks as Giovanni Mpetshi Perricard hits a forehand into the tramlines. The third seed is looking a bit off colour.

Giovanni Mpetshi Perricard opens the second set with a forehand winner. The crowd love it.

Annabel Croft
Former British number one on BBC Radio 5 Live

Giovanni Mpetshi Perricard couldn't have played a more perfect set of tennis. He was chasing the scoreline throughout but he was brilliant, the way he served out that set. So calm to serve out the set the way he has just done.

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Sealed with an ace! Giovanni Mpetshi Perricard takes the first set 7-5.

He had to work for it, failing to convert three break points before finally making his breakthrough at the fourth time of asking in a lengthy 11th game, but showed no nerves when serving for the set.

On serve, he's only given up six points so far.

With an ace out wide, Giovanni Mpetshi Perricard brings up two set points.

Annabel Croft
Former British number one on BBC Radio 5 Live

Well that was so impressive. What a moment of tension and excitement for the crowd. The way Mpetshi Perricard hung in there and kept bounding back to give himself another chance at it.

Djokovic was challenging that one-handed backhand but it stood up to the test. That was a really exciting point.

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This time Giovanni Mpetshi Perricard breaks!

After a lengthy baseline exchange, he unleashes a brutal forehand down the line. Novak Djokovic is rooted to the spot in the opposite corner of the court.

Mpetshi Perricard will serve for the first set.

Break point number four.

Drama. Novak Djokovic's first serve on advantage is called wide. He disagrees and the chair umpire overrules the call, the ball clearly kissing the line.

Djokovic argues about whether or not the call impeded Giovanni Mpetshi Perricard. The umpire said it did.

Grumpily, he returns to the baseline and saves a third break point thanks to a forehand error from the Frenchman.

Novak Djokovic nets a forehand from the baseline. Third time lucky for Giovanni Mpetshi Perricard?

The second break point comes and goes, Giovanni Mpetshi Perricard netting a backhand.

Another break point for the Frenchman. Novak Djokovic is struggling a little with the power of Giovanni Mpetshi Perricard's groundstrokes and nets a forehand.

Advantage Mpetshi Perricard.

Oh, it should have been! He had the third seed stuck behind the baseline but buries his backhand volley into the net as he comes on the approach.

Break point saved.

Novak Djokovic double faults. Is this the moment for Giovanni Mpetshi Perricard?

Annabel Croft
Former British number one on BBC Radio 5 Live

First sets are so crucial because they set the tone. Mentally, they put so much pressure on your opponent and if you get it under your belt you can play with more freedom.

The crowd is just leaning towards Frenchman Giovanni Mpetshi Perricard at the moment. Noisy cheers follow a booming forehand which forces an error from Novak Djokovic for 0-15.

Djokovic's forehand winner receives its own healthy swell of applause but at 30-15, he messes up a backhand. A tight game.

Annabel Croft
Former British number one on BBC Radio 5 Live

That was exceptional, that smash. I was admiring the way Djokovic got the ball back into play.

But oh my goodness, that smash into the corner by Mpetshi Perricard, no hesitation, he nailed it. No wonder the reaction from the crowd. They loved it.

It's got three, possibly four tie-breaks written all over it, this match.

Never in doubt. 140mph serve to complete the hold.

Image source, EPA

That's the first real display of emotion from Giovanni Mpetshi Perricard. A one-handed backhand down the line tees up a smash from the baseline and he buries it deep in the court for 40-0. Cue fist pump.

Novak Djokovic responds with a blistering backhand return winner before a double-fault from the Frenchman takes the game to 40-30.

He's serving to stay in the set, remember.