Dos Pueblos suffered a 13-5 non-league tennis loss at Arroyo Grande on Saturday.
The Chargers, playing without No. 1 player Lauren Stratman, went winless in singles.
In doubles, the team of Ali Frankel-Makaela Amble went 2-1 in their sets and Christina Daniel-Sophia Rasmussen went 2-0.
The Chargers (2-3) open Channel League play on Tuesday against San Marcos.