FULL TIME: ARGENTINA 13-24 SOUTH AFRICA
Argentina knock on in attack and gift South Africa a scrum on halfway with a large openside away to their right wing.
Argentina have a penalty for obstruction and Du Preez doesn't get his try.
It looks like Du Preez has scored a try but the TMO has to take a look at something else in the build up.
Moodie just can't reach the crosskick from Libbok after a prolonged Springbok attack takes away almost any chance of a Pumas fightback.
Now South Africa opt to go to the lineout after winning a penalty deep in the Pumas half. Straight off the lineout the call is advantage. They went early at the lineout with Matera guilty. South Africa go to the tap penalty now.
South Africa throw the ball around with abandon but they lose it forward and Argentina have the scrum feed inside their own half. With Creevy on to win his 100th cap they need a strong effort up front .
PENALTY, SOUTH AFRICA, LIBBOK, 13-24:
Libbok slots the kick from straight in front and now Argentina need at least two tries to win.
The Springboks milk the scrum time penalty and they will call for another shot at goal.
Another big tackle from Moodie forces a Pumas knock and South Africa have a scrum just outside the Argentina 22.
PENALTY, SOUTH AFRICA, LIBBOK, 13-21:
Libbok slots the kick from just inside the Pumas half.
South Africa earn a penalty advantage at the scrum and attack but they aren't able to make progress and the referee brings it back for the penalty kick. Libbok calls the shot at goal.
Aggressive defence from South Africa forces a poor kick from Argentina now and the ball rolls dead giving the Springboks a scrum feed inside the Pumas half.
A crucial penalty on defence has taken the air out of the stadium and quieted the crowd. South Africa clear up towards halfway. They get sloppy ball from the lineout which allows the Pumas to run it back after a poor kick.
A neckroll from Kleyn costs the Springboks possession and sends them back into their own 22 to defend a lineout.
PENALTY, SOUTH AFRICA, LIBBOK, 13-18:
Libbok slots this time and puts the Springboks back into a five-point lead.
Moodie reads the Pumas attack and makes a play-killing tackle and Argentina come in from the side. Libbok has called for the tee again.
Libbok pushes his kick past the posts from the right flank.
Kleyn and Wiese combine to win a penalty for the Springboks who call for a shot at goal from some way out.
PENALTY, ARGENTINA, BOFFELLI, 13-15:
Boffelli kicks the goal to narrow the gap to just two points.
South Africa are pinned for not rolling away again and Boffelli calls for the tee.
Argentina set up a lineout in the South Africa 22 after a penalty for not rolling away goes against Du Toit.
Libbok can't convert from out on the right hand side this time but South Africa lead by five.
TRY, SOUTH AFRICA, MOODIE, 10-15:
Moodie gets onto a kick-pass from Libbok and nobody will lay a hand on him as he finds the corner.
A great response to a kick helps South Africa win a penalty and they move play back up to the Argentina 22.
CONVERSION, SOUTH AFRICA, LIBBOK, 10-10:
Libbok slots his toughest kick of the day.
TRY, SOUTH AFRICA, MAPIMPI, 10-8:
Mapimpi finishes off a slick South Africa move and suddenly the state of the game has changed.
The second half is underway and South Africa out Argentina under pressure.
HALF TIME: ARGENTINA 10-3 SOUTH AFRICA
Another good kick from Willemse takes play back into the Pumas half but then another penalty sees Argentina set up an attacking lineout.
PENALTY, ARGENTINA, BOFFELLI, 10-3:
Boffelli makes the Springboks pay.
YELLOW CARD, SOUTH AFRICA, MOSTERT:
You will not see a softer yellow card in a game of rugby as Mostert is binned for a late tackle split seconds after the release of a pass.
Argentina get a penalty after South Africa show ill-discipline after the whistle and they send play down into the Springbok 22.
A booming kick from Willemse sends Argentina back to ten inside their own half all the way from his own 22.
Libbok misses another kick at goal and his woeful kicking game is costing South Africa dearly here.
Kleyn is held up over the line and Argentina can drop out from their goal-line. The Springboks run it back at them and win the advantage at the breakdown.
Fourie secures a penalty for South Africa that might just shift the flow of momentum in this match as the Springboks move to within ten of the Pumas line.
Now the Springboks knock on just as they enter Argentina's half in possession.
CONVERSION, ARGENTINA, BOFFELLI, 7-3:
Boffelli converts the try.
TRY, ARGENTINA, BETRANOU, 5-3:
Betranou takes a quick tap penalty and snipes for the line to score.
Argentina have the Springboks under pressure and attack with advantage but they spill the ball and come back for a tap penalty.
An overeager Reinach is caught offside chasing a kick ahead from Moodie and Argentina send the kick down into South Africa's 22. However, Argentina infringe at the lineout and give South Africa a cheap exit.
PENALTY, SOUTH AFRICA, LIBBOK, 0-3:
Libbok gives the Springboks the lead at last.
Moodie can't get in at the corner but they will come back for a penalty in front of the posts. Libbok calls for the tee yet again.
A poor grubber in behind from Esterhuizen ends a promising Springbok attack and the Pumas have another lineout inside their own 22.
Orie gets the charge down but can't gather and Argentina will feed a lineout just five from their own line.
Matera tries a little grubber but the flanker's kick is awful and goes straight into touch with the Springboks feeding a short lineout ten from halfway.
Play eventually comes to an end after a handling error from the Springboks prevents them from carrying out of their own half. Argentina lost the ball after a lineout on the Springbok 22.
Libbok takes an age to kick at goal and pushes his effort wide of the posts to the delight of the crowd.
The Springboks go over but are held up and they take it back for a penalty kick and they have not signalled what they want to do with it just yet.
A sweeping Springbok attack allows Moodie to get outside the defence and take play into the Pumas 22. The South Africans are within five and have the penalty advantage to boot.
Play is halted with a Pumas player down after an attempted tackle on Libbok, Chocobares gets to his feet but will need an HIA before he can continue.
KICK-OFF: The kick goes up and deep with Reinach gathering and kicking long but not finding touch.
The anthems are underway as kick-off approaches.
Argentina have never beaten South Africa in Buenos Aires and have lost all nine Test matches against the Springboks in their capital.
This match will be the 36th full Test match played between Argentina and South Africa and the 17th played on Argentina's soil.
South Africa: 15 Damian Willemse, 14 Canan Moodie, 13 Lukhanyo Am, 12 Andre Esterhuizen, 11 Makazole Mapimpi, 10 Manie Libbok, 9 Cobus Reinach, 8 Jasper Wiese, 7 Franco Mostert, 6 Deon Fourie, 5 Marvin Orie, 4 Jean Kleyn, 3 Thomas du Toit, 2 Bongi Mbonambi (captain), 1 Trevor Nyakane.
Replacements: 16 Joseph Dweba, 17 Gerhard Steenekamp, 18 Vincent Koch, 19 Jean-Luc du Preez, 20 Evan Roos, 21 Herschel Jantjies, 22 Jesse Kriel, 23 Kurt-Lee Arendse.
Argentina: 15 Martin Bogado, 14 Emiliano Boffelli, 13 Lucio Cinti, 12 Santiago Chocobares, 11 Santiago Cordero, 10 Santiago Carreras, 9 Gonzalo Bertranou, 8 Juan Martin Gonzalez, 7 Santiago Grondona, 6 Pablo Matera, 5 Tomas Lavanini, 4 Pedro Rubiolo, 3 Francisco Gomez Kodela, 2 Julian Montoya (captain), 1 Thomas Gallo.
Replacements: 16 Agustin Creevy, 17 Joel Sclavi, 18 Eduardo Bello, 19 Guido Petti, 20 Facundo Isa, 21 Lautaro Bazan Velez, 22 Tomas Albornoz, 23 Matias Moroni.
Greetings and a warm welcome to our coverage of the Rugby Test match between Argentina and South Africa from the Estadio José Amalfitani in Buenos Aires.