1'With both benches watching closely, and we're off: the team come out with intent, the opponent sit deep and organised, and the story begins to unfold.
2'Possession belongs to the home side, although for now there's no real bite around the box. Nobody wants to give anything away.
3'Corner whipped to the penalty spot; the opposing defender wins it and clears long. The crowd get it straight away.
9'Pass between the lines from Luciano Boschi; there was a tiny gap and the vision was there to spot it. Two passes, open space and a dagger to the heart.
10'🎯 Cesar Salim runs at goal and shapes to shoot...
10'...hits it with his left foot...
10'Effort from a teammate on the edge of the box; it whistled past and left everyone with the shout stuck in their throats.
11'The ball is doing the rounds: the home side are in no rush, letting the attack simmer slowly. The dressing room will have the final say.
13'The away side put the game to sleep from inside their own half, trying to tempt the home side out of their shell. The crowd get it straight away.
15'Adrián Arratia cuts the passing lane and starves the the away side attack of oxygen.
20'Thiago Zappa takes charge of midfield and brings a bit of order to the chaos. There'll be plenty to analyse.
24'The defender reads the pass and makes a crucial interception. The story is only just beginning.
25'The away side manage the ball with good sense, shifting the home side from side to side. The league table is starting to do its sums.
27'The defender commits a foul just as a teammate was starting to break clear. The second half promises a different story.
27'🟨 Yellow card for Thiago Zappa; the referee draws the line.
30'The home side were trying to thread it through, but Wilfredo Sacchi closed the door.
31'The away side manage the ball straight out of the textbook, shifting the home side from side to side.
33'Miguel Aldunate protests, but the foul was pretty clear.
34'The the home side press bites in the danger zone; the away side start to lose their clarity.
37'The ball is doing the rounds: the away side are in no rush, letting the attack simmer slowly.
38'The tempo rises and falls, but the tension never goes away.
40'🎯 Federico Bollini carries the ball forward...
40'...shapes to shoot from outside the box...
40'Federico Bollini fires it across goal; the ball goes out kissing the post.
42'Interception by the away side out wide; good pressure and even better reading of the game.
44'The team need to settle down; they're playing more with nerves than ideas.
46'As the heart rates come down, end of the first half: the team and the opponent head in with plenty to fix. The margin for error is tiny.
47'Venomous through ball from Joaco Padín; the home side were caught cold. The managers are already taking notes.
48'🛡️ The defence clears the danger and keeps the ball.
50'The ball moves safely between the the home side shirts; what's missing is a bit of pace in the final third.
51'The player goes over to the corner flag, places the ball and watches the movement in the box.
53'The away side manage the ball with good sense, shifting the home side from side to side. This one could go either way.
54'Venomous through ball from Mauricio Andrea; the home side were caught cold.
55'A teammate chases down the keeper, the crowd get right behind it and the away side are rushed.
57'Elías Pellegrino slows things down, puts a foot on the ball and waits for a path to open.
60'Tactical foul from Wilfredo Sacchi; textbook stuff, although the referee is already keeping an eye on that one. There's a lot riding on this.
62'The home side were trying to thread it through, but Wilfredo Sacchi closed the door.
63'The home side press, force the error and the pitch tilts their way.
66'It's end to end now; great for the neutral, heart-attack stuff for the managers.
68'The home side move it about sensibly, with Adrián Arratia as the side's compass.
69'🎯 Thiago Zappa carries the ball forward...
69'...shapes to shoot from outside the box...
69'Thiago Zappa strikes it first time and leaves the opponent gasping for air.
72'The away side put the game to sleep down by the corner flag, trying to tempt the home side out of their shell.
74'The home side launch a textbook counter-attack, the kind the gaffer drills all week long.
75'The ball moves safely between the the home side shirts; what's missing is a bit of pace in the final third.
77'🎯 Octavio Ibarra runs at goal and shapes to shoot...
77'...hits it with his left foot...
77'Octavio Ibarra strikes it first time and leaves the opponent gasping for air. The managers are already taking notes.
78'The away side manage the ball without giving it away, shifting the home side from side to side.
82'The home side make life hard for themselves with a sloppy pass in the inside channel.
83'The ball moves safely between the the away side shirts; what's missing is a bit of pace in the final third.
86'Deadly counter from the home side: few touches, lots of space and a whiff of danger.
87'The ball moves safely between the the home side shirts; what's missing is a bit of pace in the final third.
88'The tempo rises and falls, but the tension never goes away.
89'Turco Montañez slips a delicious through ball to Nazareno Taveggia, who is perfectly set.
90'Amid applause and shared frustration, full-time in a heated atmosphere; the players shake hands and the coaching staff are already thinking about what's next. The crowd get it straight away.