Lathrop won three of the top four singles matches, but Pacheco ultimately prevailed 6-3 in the Western Athletic Conference opener held at East Union on Wednesday.
Darlene Hoang swept Xitaly Gomez 6-1, 6-0 in the No. 1 singles match. No. 2 Bernice Vilches contributed a 6-4, 6-3 win over Anarosa Velasquez. Harman Garcha beat Fernanda Aguayo 6-0, 6-1 from the No. 4 spot.
Elizah Timbreza dropped a competitive 3-6, 4-6 match against Esmeralda Hernandez at No. 6 singles. The visiting Panthers from Los Banos had their way in doubles contests, losing just two games total.
Lathrop will look to bounce back next Monday at Beyer.