New Zealand beat South Africa 23-13 in opening pool B game in Yokohama
George Bridge and Scott Barrett tries gave All Blacks 17-3 half-time lead
Pieter-Steph du Toit scored as Springboks rallied in second half
Richie Mo'unga & Barrett penalties secured victory for champions
All Blacks remain unbeaten in World Cup group matches
Earlier France edged out Argentina after Australia beat Fiji
New Zealand 23-13 South Africa
Cheslin Kolbe is gone!
The wing dances a little tango and leaves Sam Whitelock and Beauden Barrett grasping at thin air.
He is pulled down 15m short.
And New Zealand turn over the ball in the resulting chaos.
New Zealand 23-13 South Africa
Bobby Skinstad
Former South Africa captain on BBC Radio 5 Live
The Springboks are chancing their arm here - they realise they have got to score, and score quickly, but they just cannot get behind this All Blacks defence.
Image source, AFPNew Zealand 23-13 South Africa
South Africa play a joker off the bench with Herschel Jantjies - a box of tricks - on in place of Faf de Klerk.
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Andrew Priestley: Big matches, big moments. This is where the real world-class players make it count.
Gareth Lewis
BBC Radio 5 live commentator in Yokohama
Big, big penalty from a big, big player. Never in doubt and New Zealand are now really in control.
Beauden Barrett
The pin-up boy of this New Zealand team is nailed on with his penalty.
Right through the middle.
Game over?
Image source, PA MediaNew Zealand 23-13 South Africa
Bobby Skinstad
Former South Africa captain on BBC Radio 5 Live
South Africa have been coming back into it, but I am concerned to see Pieter-Steph du Toit catch his knee - he is so crucial for this team.
Gareth Lewis
BBC Radio 5 live commentator in Yokohama
Pieter-Steph du Toit, who is a giant of a man, looks to be in an awful lot of discomfort with that left knee. Given the way he plays the game, you don't want your knee to give way on you.
New Zealand 20-13 South Africa
Sonny Bill Williams' crossfield kick to Sevu Reece is not as accurate as Richie Mo'unga's in the first half. You wouldn't expect it to be.
And the big man has only gone for that option because he knows he has a penalty advantage in his back pocket, just inside the South Africa 10m.
Back we come. And Beauden Barrett is lining up another three...
Tana Umaga
Former New Zealand captain on BBC Radio 5 Live
The All Blacks are looking very measured in the way they're approaching this game. They're trying to maintain field position and put pressure on the Springboks and wait for those opportunities.
New Zealand 20-13 South Africa
New Zealand are running down the clock and tightening the screw. They are squeezing the life out of this game like a boa constrictor making homemade lemonade.
Image source, AFPNew Zealand 20-13 South Africa
A change in the South Africa front row. Malcolm Marx and Stephen Kitshoff have departed with Tendai Mtawarira and Mbongeni Mbonamgi coming on.
New Zealand have rejigged their back line. Ben Smith comes on at full-back with Beauden Barrett coming into fly-half and Richie Mo'unga, who has been pretty good, off to ride the pine.
New Zealand 20-13 South Africa
A reminder that each of these sides' last four meetings have been decided by a margin of no greater than two points, including a 16-16 draw in their most recent clash.
Seven points is a relative pasting!
Richie Mo'unga
The ball flirts with the left-hand post, but ultimately stays straight and true enough.
New Zealand back out to seven clear.
Image source, Getty ImagesNew Zealand 17-13 South Africa
That could be costly.
The front rows pop up and Jerome Garces rules that South Africa are at fault.
A penalty shot for New Zealand and Richie Mo'unga calls for the tee.
Forty-five metres and an chunky angle to deal with...
New Zealand 17-13 South Africa
Aaron Smith has a sit down and TJ Perenara comes on at nine for the All Blacks.
Jesse Kriel is on for Lukhanyo Am in the Bok midfield.
Bobby Skinstad
Former South Africa captain on BBC Radio 5 Live
These two teams play each other so much, but it means so much. There will be clashes, just emotion that boils over.
Image source, Getty ImagesNew Zealand 17-13 South Africa
A bit of handbags as Sevu Reece and Makazole Mapimpi check the weft of each other's lapels.
Faf de Klerk comes trotting over to offer his opinion and Reece shoves him in the chest.
The referee tells everyone to calm down and carry on playing.
His microphone picks up a choice cut of agricultural Afrikaans.
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Gareth Lewis
BBC Radio 5 live commentator in Yokohama
The South African crowd are on their feet, flags waving... They sense something again!