Michael Vaughan
Ex-England captain on BBC Test Match Special

"AB de Villiers has been very bullish, in saying South Africa are the best team in the tournament. I think the semi-finals will go to form, with Australia, India and New Zealand having too much for their opponents. And they are the four best teams in the tournament."

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And on that note, they're going to take lunch, or dinner, or tea, or whatever you like. A 40-minute interval, whatever you call it.

It's marginal, but it's a legal delivery as his foot landed with a small portion behind the line - so Amla goes.

Scorecard

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Sri Lanka persist with Malinga - Amla hangs his bat out at a wide one and Kulasekara takes a superb tumbling catch, running round at third man - or does he? They're checking for the no-ball...

Andrew Samson
BBC Test Match Special statistician

"Tharindu Kaushal is the second player to make his ODI debut in a World Cup knockout game. Wayne Larkins - England against New Zealand in the 1979 semi-final - was the other."

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Michael Vaughan
Ex-England captain on BBC Test Match Special

"It's a terrific story about Kaushal, who came through the Foundation of Goodness charity which was set up after the tsunami, and is heavily supported by MCC. How many other teams would throw a youngster into a World Cup quarter-final for his first game? Possibly only Pakistan?"

It's time for the rookie ODI debutant to bowl - 22-year-old Tharindu Kaushal, described as a mystery spinner by his captain, and bowling round the wicket - he's all arms and legs, and I'd be surprised if South Africa had ever seen him bowl before. Amla has a look at a couple, before pushing a three through mid-wicket. De Kock guides an easy two - a tidy, if unspectacular start from the young man.

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Thankfully for Sri Lanka, the "free hit" ball is a trademark Malinga yorker which De Kock digs out. Time for a couple more overs before the "real" interval.

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Andrew Samson
BBC Test Match Special statistician

"The lowest target defended in a World Cup match is 135 by Zimbabwe v England at Albury in 1992 (Zimbabwe made 134, target was 135)."

Once more, Amla pushes the first ball of the over for a single and De Kock then takes over, not the prettiest of strokes but he finds the point boundary again for another four, before it all goes wrong for the Slinger as he bowls a no-ball, Kusal Perera misfields at square leg letting the ball straight through him, and they run a couple.

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Michael Vaughan
Ex-England captain on BBC Test Match Special

"With that big backlift, on form De Kock can be destructive, but there are also things that can go wrong. He does time the ball effortlessly, though, he has that natural gift that most left-handers have."

With scores of seven, seven, 12, one, nought and 26, it's not been a memorable World Cup for De Kock, but he flicks Kulasekara for his third boundary of the over, this time through mid-wicket. Easystreet so far for the Proteas - they went to the beach yesterday, and I'd suspect after this performance, may do so again.

Michael Vaughan
Ex-England captain on BBC Test Match Special

"Duminy got a hat-trick bowling rollers. And Sri Lanka are excellent players of spin. I wonder if Sri Lanka focused all their energies on Morkel and Steyn and Abbott and the real quality pace bowlers. I can't imagine they thought about Duminy, and he has kind of snuck up on them."

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After experimenting with an over of Dilshan, Sri Lanka turn to the right-arm seam of Nuwan Kulasekara - expect plenty of bowling changes as they have to go for broke here. But with only two men outside the circle in the powerplay, De Kock does well to find the gap with back-to-back square-driven fours.

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Simon Mann
BBC Test Match Special

"There is a 7-2 off side field so there is not a great deal of protection if Malinga does drop short and the ball gets hit away on the on side."

To confirm, this mini-session will last until about 07:20 GMT - at which point we'll have a 40-minute break. After Amla pushes one for another two, Malinga slings one down which beats the bearded right-handed outside off stump, but a single to third man means he has eight from his first 11 balls - positively Usain Bolt-like in speed compared to Sangakkara's innings. Malinga goes round the wicket to the leftie De Kock, but the Proteas are pushing along nicely here. Five from the over.

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Stephan Shemilt
BBC Sport in Sydney

"The sun is back out, which isn't good news for Sri Lanka. Before the rain/end of the Sri Lanka innings, we were interrupted by a pitch invader (not a streaker, because he had his clothes on). We've seen a few in the tournament, one who got all the way across the pitch in Christchurch, but this chap was brutally tackled by about four stewards. He could well have whiplash."

Sri Lanka turn to spin with the other new ball - off-spinner Tillakaratne Dilshan will bowl to the left-handed Quinton de Kock, with a slip and a leg slip in place. De Kock, who's struggled with the bat this tournament, pushes his first ball for a single. Amla steers one off his legs for one.

Michael Vaughan
Ex-England captain on BBC Test Match Special

"It's so important to target that fifth bowler in the circle, but Sri Lanka just allowed Imran Tahir to bowl deliveries that they played with a forward defensive, with no sweeps to manoeuvre the field. It was very unlike Sri Lanka, and a disappointing display from a team that generally arrives at the big stage. They had an off day, a couple of dodgy hours."

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