Mercedes Perez scored in the eighth minute on Saturday, and Francesca Lozoya made it stand up as Monterey beat Amarillo 1-0 in a District 2-5A soccer match.
Lozoya made six saves to help the Lady Plainsmen improve to 13-6-1 overall and 5-0-1 in district.
Courtney Pitman had an assist on the Perez goal.
Monterey will be back in action at noon on Saturday against Tascosa at Monterey.
■ Monterey boys
Amarillo High scored twice in each half for a 4-1 victory over Monterey in a District 2-5A boys match Saturday.
Cobi Faz scored in the 70th minute for Monterey (9-8-1, 4-2) to break up the shutout.
The Plainsmen will be back in action on Saturday at home against Tascosa beginning at 2 p.m.