Greg Rusedski
Former British number one on BBC Radio 5 Live

You want to keep the points physical with Novak right now because you can see he's not feeling physically his best. That's how Royer won the third set so he needs to make the rallies last longer.

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• Second seed and Australian Open champion Elena Rybakina is out of the French Open - Rybakina won the opening set but was beaten in a deciding-set tie-break by Yuliia Starodubtseva.
• Britain's Francesca Jones was also knocked out in the second round by Czech 27th seed Marie Bouzkova. Jones twice had the chance to serve out the second set to level the match, but eventually lost 6-0 7-6 (7-3).
• Iga Swiatek and Elina Svitolina made it safely through to round three in straight sets.
• Andrey Rublev and Jakub Mensik are among the players through to the third round of the men's singles - Mensik required treatment on court after completing victory over Mariano Navone 13-11 in a deciding-set tie-break. That match lasted four hours and 41 minutes.

Greg Rusedski
Former British number one on BBC Radio 5 Live

Wow, wow, wow.

Novak is going to have to show us something because physically he doesn't look good at the moment and the Frenchman is by far the fresher of the two.

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Incredible scenes! From a break down in the third set, Valentin Royer has fought back to win it.

Novak Djokovic will be furious at letting that set slip.

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It's another set point to Valentin Royer - and this time it's on his own serve.

Valentin Royer has earned himself a set point but Novak Djokovic rescues himself with a big first serve.

Novak Djokovic has match point!

It's a long rally but Djokovic blinks first and goes wide with a backhand.

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Some brilliant play from Novak Djokovic re-establishes his mini-break.

But some ferocious hitting from Valentin Royer on the next point means we're back on serve.

Djokovic just cannot shake the Frenchman off.

Ouch, that's a bad time to serve a double fault. Novak Djokovic has struggled with those in this third set.

Djokovic trudges to the other side of the net - and then serves an ace!

Valentin Royer won't be cowed - he urges the crowd to get behind him as he smashes a winner.

Still just the one mini-break.

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Novak Djokovic looks like a man on a mission now, working the first couple of rallies well to take an early lead in the tie-break.

Novak Djokovic holds serve so we're going into a tie-break!

World number 74 Valentin Royer had never won a Tour-level match on clay but he has refused to lie down in this match, despite losing the first two sets.

Can he extend this match further?

Greg Rusedski
Former British number one on BBC Radio 5 Live

This is the sort of match you want to be off the court in three sets but Djokovic has given the Frenchman too many opportunities in this third set if we're going to be honest.

This is where Djokovic used to be so ruthless in the past.

Wow, that's some impressive serving from Valentin Royer, who drops just one point, clinching the game by banging an ace down the centre line.

It will be a tie-break at the very least in this set for the Frenchman.

This match could be far from over.

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Novak Djokovic begins the game with a double fault - that's four in this set now - and then fails to put away a forehand at the net to go 0-30 down.

Now he's upset after being disturbed by the crowd during his service motion.

But the 39-year-old manages to regroup - and rediscover his first serve - to win the next four points.

After four consecutive breaks of serve, Valentin Royer holds serve to love, and skips to his chair in triumph.

From being a break up and looking home and hosed, now Novak Djokovic must serve to stay in the third set.

What is going on here?

Once again Novak Djokovic is broken back, and he's furious, gesticulating angrily with his box.

But it's mainly of his own making - although Valentin Royer does play his part, particularly with a lovely floated forehand dropshot, which leaves Djokovic stranded at the back of the court.

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Greg Rusedski
Former British number one on BBC Radio 5 Live

Incredible stuff here to knock out the world number two.

She held her nerve, played an unbelievable tie-breaker, deserves to win and that section [of the draw] has just opened up.

Oooh. That was a nervy one for Elena Rybakina as she's drawn into the net, but she stops a Starodubtseva pass from squeezing by and dinks the ball over.

Five match points remain.