Concacaf Champions League – Semi-finals (First Leg)

3-4 April 2019

Tigres UANL – Santos Laguna
Referee: Ismail Elfath (USA, photo)
Assistant Referee 1: Corey Parker (USA)
Assistant Referee 2: Kyle Atkins (USA)
Fourth Official: Armando Villarreal (USA)

CF Monterrey – Sporting Kansas City
Referee: Mario Escobar (GUA)
Assistant Referee 1: Joseph Bertrand (TRI)
Assistant Referee 2: Humberto Panjoj (GUA)
Fourth Official: Daneon Parchment (JAM)