[1] In November 2018, Maza was appointed as an assistant VAR official for the first leg of the 2018 Copa Libertadores Finals between Argentine clubs Boca Juniors and River Plate.

[12] Later that year, Maza was selected to participate at the 2019 Copa América in Brazil, where he served as a fourth official and assistant VAR.

[14] The following year, he was an official at the 2020 CONMEBOL Pre-Olympic Tournament in Colombia,[15] a competition for under-23 teams, where he led three matches.

[17] In March 2022, he also was the referee in the 2022 Peruvian Liga 1 match between Universidad César Vallejo and Sport Boys.

[19] However, they were all reinstated days later due to pressure from the referees' union, with Castrilli instead fired by the Football Federation of Chile.