CONMEBOL Copa Libertadores – Semi-finals (First Leg)

23-24 October 2018

River Plate – Gremio
Referee: Víctor Carrillo (PER, photo)
Assistant Referee 1: Jonny Bossio (PER)
Assistant Referee 2: Victor Raez (PER)
Fourth Official: Diego Haro (PER)
VAR: Leodan Gonzalez (URU)
AVAR1: Esteban Ostojich (URU)
AVAR2: Richard Trinidad (URU)
Referee Assessor: Jose Buitrago (COL)
VAR Assessor: Enrique Osses (CHI)

Boca Juniors – Palmeiras
Referee: Roberto Tobar (CHI)
Assistant Referee 1: Christian Schiemann (CHI)
Assistant Referee 2: Claudio Ríos (CHI)
Fourth Official: Eduardo Gamboa (CHI)
VAR: Julio Bascunan (CHI)
AVAR1: Piero Maza (CHI)
AVAR2: Carlos Astroza (CHI)
Referee Assessor: Alberto Tejada (PER)
VAR Assessor: Martin Vazquez (URU)