Guerra made his professional debut in a 2017 Copa Chile match against Ñublense,[1] by replacing Leandro Benegas.

[2] In the same tournament, he scored his first goal in a match against San Luis de Quillota.

[5] At under-20 level, Guerra represented Chile in the 2018 South American Games, winning the gold medal.

Also, he played in a friendly match against Brazil U23[8] In September 2020, he was called up to a training microcycle of the Chile senior team.

This biographical article related to a Chilean association football forward is a stub.