Juan Manuel Cerundolo consolidates his break of serve by holding his own, marching confidently to his chair.

Britain's Jacob Fearnley must now hold serve to stay in the first set.

Annabel Croft
Former British number one on BBC Radio 5 Live

It was wayward last shot in that last game from Fearnley and it was a poor game overall - I think he'd like to wipe the slate clean after that one.

Jacob Fearnley throws in a serve-volley but it doesn't pay off - and then another double fault means he he has to face more break points.

Juan Manuel Cerundolo needs just one of them, and from a break up, Fearnley is now a break down.

Juan Manuel Cerundolo holds serve to love. The Argentine player, who is on a five-match winning streak, has looked the more confident on serve so far.

The shadows are creeping across Court 8 - no doubt offering relief from the baking heat.

Some brilliant play from Jacob Fearnley, who pushes Juan Manuel Cerundolo back and then comes up with a delicate drop shot.

But then he overhits a routine forehand to hand Cerundolo another chance to break.

However, Fearnley dodges the danger to hold for the first time in the match.

Katie Smith
Presenter on BBC Radio 5 Live

It's good to see Fearnley looking lively and proactive in this match now when so far it has been a little strange for these three games. Just one hold of serve.

Annabel Croft
Former British number one on BBC Radio 5 Live

When that 'double fault-itis' appeared out of nowhere for Fearnley, it has kind of lingered and it's weird how these things can happen to a player and be so hard to get rid of it.

Click "Listen live" at the top of this page for live radio coverage from Roland Garros.

Neither player looks comfortable on serve in these early stages.

Jacob Fearnley has two more chances to break but Juan Manuel Cerundolo manages to hold.

Jacob Fearnley is immediately broken back, dropping his own serve to love.

A promising start for Britain's Jacob Fearnley, who breaks in the opening game.

A couple of booming forehands cause problems for left-hander Juan Martin Cerundolo, who gives up his opening serve on the second break point.

* denotes next server

Image source, Getty Images

Jacob Fearnley is the only British man left in the singles draw - he is about to begin his Roland Garros campaign against Juan Manuel Cerundolo of Argentina.

Fearnley is currently ranked 125 in the world but broke into the top 50 last year on the back of reaching the third round on his French Open debut - a run which included beating Stan Wawrinka in five sets in the first round.

But like several of the British players, the 24-year-old has struggled with injury this year, and only recently returned to action after seven weeks out with a rib injury.

Like Fearnley, Cerundolo is also 24 and also made his French Open debut last year. The Argentine player had to qualify last year but comes to Roland Garros this year in great form after winning a Challenger event on clay in Bordeaux, which helped him reach a career-high ranking of 54 earlier this month.

BBC Radio 5 Live

More from Cameron Norrie on the rib problem that forced him to retire from his first-round match:

"We'll have another scan tomorrow and have a look. It was an inflamed joint which is causing everything around there to not be too happy.

"It's a really strange feeling - it's not that painful, I've been taking a lot of anti-inflammatories, and it's a bit more distraction than pain.

"The whole thing was very strange. I know I'm playing well so I can have the confidence to come back strongly on the grass."

On his preparation for the tournament: "We played very light [in practice] because we needed to save myself for a best-of-five-set match. It's a difficult one but we gave myself the best chance and my team was excellent.

"I had to try, I was here and I'm playing so well, but there were not enough to days to rest to get ready. That's life as an athlete, I thought I'd be OK but I obviously wasn't."

Norrie added that he hopes to be back in action at Queen's.

BBC Radio 5 Live

Cameron Norrie has been speaking to BBC Radio 5 Live about retiring from his first-round match earlier today:

"I had a problem with my rib and it started affecting me on all my shots. I didn't have the mental energy to put that aside and just play.

"I was playing really well during this whole clay season but I didn't get the results I wanted.

"I could easily have won the first set today but I don't think it was enough anyway to go and retire, or even to get through the first round and then have to retire in the second round - then I would just be pushing myself into a tough moment, so it was a difficult decision but at least it's a chance to freshen up mentally."

Image source, Getty Images

• Cameron Norrie was forced to retire injured from his first-round match against Paraguay's Adolfo Daniel Vallejo - the first time he has done so at a Grand Slam. The British number one, who sustained a rib injury in the build-up to Roland Garros, was a set and a break down when he elected to end the match.
• Sixth seed Daniil Medvedev is the highest seed to lose in the first round - he was beaten in five sets by Australian wildcard Adam Walton. Another wildcard, 17-year-old Frenchman Moise Kouame, defeated veteran Marin Cilic in straight sets.
• World number one Aryna Sabalenka, defending champion Coco Gauff and multiple Grand Slam winner Naomi Osaka all won their first-round matches in straight sets.

British duo Julian Cash and Lloyd Glasspool made it safely through their first-round men's doubles match earlier today.

The reigning Wimbledon men's doubles champions beat Ecuador's Gonzalo Escobar and Dutchman Jean-Julien Rojer 6-3 7-6 (7-5).

Katie Boulter, already through to round two of the women's singles, plays in the doubles alongside Kazakhstan's Yulia Putintseva later.

BBC Radio 5 Sports Extra

Coverage from Roland Garros continues on BBC Radio 5 Sports Extra and via the link at the top of this page.

There's currently commentary of the match involving France's Lois Boisson, a surprise semi-finalist last year.

Jacob Fearnley's match will be live in a little while when that gets under way.

Jacob Fearnley is the sole remaining Briton in the men's singles - he plays his first-round match against Juan Manuel Cerundolo later this afternoon. That one should probably be getting under way within the next hour or so.

In the night session from 19:15 BST, world number one Jannik Sinner starts his quest for a career Grand Slam against French wildcard Clement Tabur.

Image source, Getty Images

More from Naomi Osaka, on the heat helping her aggressive game: "Normally I would think so but she [Siegemund] was drop-shotting me and I was trying to run forward and it was a little bit slippery, but we both have to play in the same conditions so it's whoever wins, wins on that day."

Daniel Kiernan
Former British tennis player on BBC Radio 5 Sports Extra

A banana skin of a first-round draw there for Naomi Osaka, without any question, she will be a very happy camper as she walks off this court knowing she got through that - and in straight sets.

She wouldn't have wanted that third set, that battle, in this heat against someone who we know battles so well.

On a bigger picture, Osaka is so good for tennis. She is a superstar. Everything about her is superstar status and it's great for the tournament that she's moving on.