1'With a full-house atmosphere, we're under way: the team get us going from the centre spot and are already looking to stake their claim right in front of the dugouts.
3'The away side can't get near the ball; the home side keep it from them patiently. It's being played with gritted teeth.
4'The home side put the game to sleep between the lines, trying to tempt the away side out of their shell.
5'The the away side block sets up high; this is risky, but it's ambitious too. The league table is starting to do its sums.
6'Faustino Riva slows things down, puts a foot on the ball and waits for a path to open.
7'The away side were trying to thread it through, but Kevin Ibarra closed the door. The fans have already drawn their conclusions.
8'The home side manage the ball with no messing about, shifting the away side from side to side.
9'Sandro Saavedra accelerates out wide and the counter starts to take shape.
10'Néstor Villanueva goes in hard down by the corner flag and the referee gives the foul. The second half promises a different story.
10'🟨 The referee shows a yellow and the team now have to tread carefully in that area.
15'Sandro Saavedra plays it back and starts again; sometimes going backwards is attacking too. You can see the work done on the training ground this week.
18'The team end the move with an effort that demands attention.
21'Foul by the team to stop a counter that looked dangerous. The team are in a much better position after that.
21'🟨 Sandro Saavedra protests too much and picks up an avoidable yellow. There's a lot riding on this.
22'🎯 Fede Pereira runs at goal and shapes to shoot...
22'...hits it with his left foot...
22'Effort from a teammate in the inside channel; it whistled past and left everyone with the shout stuck in their throats.
24'Mirko Pucci plays it back and starts again; sometimes going backwards is attacking too. The dressing room will have the final say.
28'The home side press, force the error and the pitch tilts their way.
29'The ball moves safely between the the home side shirts; what's missing is a bit of pace in the final third.
30'The opponent get compact, check the clock and are happy to suffer in an organised way.
31'Pass between the lines from Maximiliano Aldama; there was a tiny gap and the vision was there to spot it. You can feel the tension in every yard.
32'🎯 Néstor Villanueva runs at goal and shapes to shoot...
32'...hits it with his left foot...
32'Effort from a teammate down the left; it whistled past and left everyone with the shout stuck in their throats.
33'Xavier Brambilla protests, but the foul was pretty clear.
33'🟨 Xavier Brambilla earns a booking for stopping a promising move.
35'The home side make life hard for themselves with a sloppy pass through the middle.
37'The home side break at full speed; the away side were left wide open like a barn door. Adjustments are on the way.
42'Fede Krüger slows things down, puts a foot on the ball and waits for a path to open.
44'Coordinated pressing: one closes down, another blocks the lane and the third wins it.
45'The home side put the game to sleep around the D, trying to tempt the away side out of their shell. You can see the work done on the training ground this week.
46'Half-time: the manager will need to press a few buttons to change the course of this one.
47'There's a feeling that the next mistake could prove very costly.
50'Interception by the away side hugging the touchline; good pressure and even better reading of the game.
51'The ball is doing the rounds: the away side are in no rush, letting the attack simmer slowly.
52'The defender reads the pass and makes a crucial interception.
53'The home side manage the ball with all the know-how, shifting the away side from side to side.
57'Ulises Bottani collects between the centre-backs after a pass that split the pitch in two.
58'The away side win it back near the opposition box; a clear sign of the high press. Adjustments are on the way.
60'The away side make life hard for themselves with a sloppy pass on the edge of the box. The weather is playing its part.
62'Fede Pereira collects between the centre-backs after a pass that split the pitch in two.
63'The the away side block sets up high; this is risky, but it's ambitious too.
66'A teammate chases down the keeper, the crowd get right behind it and the away side are rushed.
71'Edu Ledesma goes in hard on the edge of the box and the referee gives the foul.
71'🟨 Yellow card for the defender; now it's a case of playing with a calculator.
72'The opponent get compact, check the clock and are happy to suffer in an organised way. The next one could be decisive.
75'The home side launch a textbook counter-attack, the kind the gaffer drills all week long.
76'The home side manage the ball straight out of the textbook, shifting the away side from side to side.
78'Fede Krüger cuts the passing lane and starves the the home side attack of oxygen. Tactical awareness is counting for more and more.
79'The ball is doing the rounds: the away side are in no rush, letting the attack simmer slowly. The margin for error is tiny.
80'The away side carve the defence open with a surgical touch from Faustino Riva. The ball is starting to burn.
90'The final whistle brings relief for some, frustration for others.