[1] The group was made up of defending, eventual, and incumbent world champions Argentina, Peru and Chile, all three from CONMEBOL, and Canada from CONCACAF.
[21][22] Shortly before the end of the first half, assistant referee Humberto Panjoj suffered a decompensation apparently due to the high temperatures in the stadium 32 degrees (91 °F) with a feels-like temperature of 38 (101 °F) with 51% humidity, so he had to leave for medical attention and was replaced by fifth official Ricardo Baren.
[23][24] With the 1–0 win, Canada achieved their third ever victory over a CONMEBOL opponent, the last time being a 2–0 over Colombia in the 2000 CONCACAF Gold Cup final.
[25] Man of the Match: Jonathan David (Canada)[14] Assistant referees:[28] Luis Ventura (Guatemala) Humberto Panjoj (Guatemala) Fourth official: Augusto Aragón (Ecuador) Fifth official: Ricardo Baren (Ecuador) Video assistant referee: Juan Soto (Venezuela) Assistant video assistant referee: Gery Vargas (Bolivia) The two teams had faced each other in 90 previous matches,[29] including 29 times in the Copa América with a wide advantage for Argentina who won 21 of those matches with 8 draws and no Chilean victories, although Chile won on penalties in the two finals they played in 2015 and 2016.
[44][45][46] With the scoreless draw, Canada secured its place in the quarterfinals and became the third CONCACAF team to advance to the knockout stage in its tournament debut.