No let up yet for the Stanimal.

Stan Wawrinka is back under the pump as Novak Djokovic forces a break point and 30-40. A timely ace sees off the danger.

Wawrinka comes to the net with a knee-knocker of a volley to put away to seal the game. On the stretch. It's a tricky one, but he makes it.

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James Massey: Another example of why Hawkeye has to be introduced at Roland Garros. Wawrinka should have brokeN back then!

Frances Ferguson: I hope Stan never sees that line call. Would have changed the outcome of that game...

The Real Deal: It's a mistake to judge Djokovic as human when all evidence points to cyborg like perfection, he is a machine!

Gokuldev Vasudevan: About 71% of the Earth's surface is covered by water. The rest is covered by Djokovic.

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Miles Maclagan
Former coach to Andy Murray and Laura Robson on BBC Radio 5 live sports extra

"The quality is amazing. For these men to produce this standard in these circumstances is mind blowing.

"I just can't get over how hard that backhand from Stan Wawrinka was to save the second set point. Novak Djokovic did not expect it and did not see it coming in any shape or form. But Djokovic shows again his ability to keep his calm - he has done that in pressure situations time and time again."

Stan Wawrinka has been blasting his biggest groundstroke guns, but so far Novak Djokovic has just got the ball back by hook or crook.

But are there signs that the Serb's defences are being worn down?

At 30-15, Wawrinka wallops down the line. Initially called out, Djokovic queries, the umpire comes out of his chair and agrees. The Hawk-Eye replay - which is for a bit of fun only - suggests that Wawrinka should have had the point with the ball snipping the chalk. What could have been 30-30 turns to 40-15.

Two lovely shots - a whipped forehand down the line and a surprise stab backhand reply to a lob - knock back two set points. There is even a break point for Wawrinka, but his racquet crumples under a ripped Djokovic serve.

And Djokovic - the great survivor - emerges from amid the volleys of explosive groundstrokes, clutching the first set.

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Miles Maclagan
Former coach to Andy Murray and Laura Robson on BBC Radio 5 live sports extra

"Wawrinka is hitting the ball tremendously but needs to make an adjustment - that power just isn't getting through Djokovic. He is just absorbing everything. Wawrinka needs to think long term. Is he going to continue and wear Djokovic down - unlikely - or introduce a few drop shots?"

Stan Wawrinka keeps his cards on the table in the first set. But he is yet to force a break point on the Novak Djokovic serve.

He will have to make one happen in the next game - and take it - if Djokovic is to be denied.

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Piers Newbery
BBC Sport at Roland Garros

"Wawrinka looked like he had cornered the market in saving break points after seeing off an incredible 16 of 17 against Tsonga, and then denying Djokovic twice today. When the need to do so for a third time came, Wawrinka's run ended quite spectacularly with a dreadful service game. The Swiss has one of the biggest serves in the game, regularly nudging 220kph, but it comes under pressure regularly and there is nobody better at returning than Djokovic."

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It is like getting out of Alcatraz, escaping from a break down against Novak Djokovic.

The Serb tightens the thumb-screws another notch with a punchy service game that concludes with a fierce ace down the middle.

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Stewart Mills: I thought Stan was Swiss not Croatian? Not sure about the outfit choice today - hope he plays better than he dresses!

L T Mabvira: However long I have seen them, still can't get the point of Stan's shorts. Bold & assertive yet equally strange & weird...

Stan Wawrinka has walked into an elephant trap.

Novak Djokovic ambushes him with a break to love, but Wawrinka was an accomplice in his own downfall.

A couple of unforced errors give Djokovic 0-40 and three break points. Wawrinka has apparently saved 23 of the last 24 break points he has faced on his serve.

But he fails to put up the fight that that stat would suggest. In fact Djokovic does not have to play another stroke. He watches on as Wawrinka cuffs down a double fault.

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Novak Djokovic's serve is tied up a bit more tightly though. He breezes though to 15 to turn the spotlight back on Stan Wawrinka.

Jezz, just turned over from the footy, in Hull: The difference is that Wawrinka's ground strokes are landing three yards deeper than Murray's were.

Miles Maclagan
Former coach to Andy Murray and Laura Robson on BBC Radio 5 live sports extra

"Wawrinka has had to face break points in two of his three service games and faced them off with serves down the middle, followed up with quality shots. If Djokovic gets away, gets a lead and relaxes then he is almost impossible to catch. So that was a good effort from Wawrinka, under pressure, to hold his serve."

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Novak Djokovic with 0-30, but that is a peachy backhand down the line from Stan Wawrinka. Novak Djokovic has a little moan about the bounce that he got as the ball skidded off the baseline, but he was struggling to make up the ground anyway.

A missed backhand though from Wawrinka offers up a break point and 30-40. He pounds away like Sonny Liston to tenderise Djokovic with power and angles. Well played. To deuce.

And the Swiss number two - him and Federer in a nation of eight million! - makes his way through another service game with a little struggle and a lot of class.

A little bit of a creak in the Novak Djokovic serve as he coughs up 0-30.

But that is all Stan Wawrinka gets. Still tight and tidy and on serve.

Image source, Reuters

Image source, Getty Images

"The best one-handed backhand in the game." That's how John McEnroe has described Stan Wawrinka's signature stroke. High praise indeed. So one would imagine that allowing Wawrinka little opportunity to use that potent weapon is high in the Djokovic tactical masterplan.

"I changed my backhand from two-hander to one-hander at 11 years old with my first coach, Dimitri," the 30-year-old Swiss told BBC Sport last year.

"He asked me to try as for him it was more natural to play one-handed, but it was difficult for me at 11 to play one-handed because you don't have that much power.

"It's not easy, but Dmitri was always behind me, saying: 'It's going to take time but it's going to be better in the end'. And he was right."

A whopper of an ace cleaves down the middle of the T to close out the game to love.

Stan Wawrinka's beauty of a backhand, thrown over his shoulder like a starlet's scarve, has just earned an admiring glance from French Tennis Federatini president Jean Gachassin in the posh seats.

He has good taste.

I wouldn't make any early evening plans.

This has the look of a behemoth. Novak Djokovic holds serve to 30, but the rallies are long and the quality is high from both men.

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Miles Maclagan
Former coach to Andy Murray and Laura Robson on BBC Radio 5 live sports extra

"Well that's some start! No sign of nerves from either player. Wawrinka is giving Djokovic a reminder of the power, and shot-making ability, he has."