Davis and Del Oro are entered in the 10-team CIF Northern California Regional boys tennis championships that will be held Friday and Saturday at the Natomas Racquet Club.
Davis, which beat Jesuit 5-4 for its fourth consecutive Sac-Joaquin Section Division I title last Friday, plays Monte Vista of Danville at 11:30 a.m. today.
Also playing at the same time on a different court, Del Oro will play Bellarmine of San Jose.
The Golden Eagles defeated Sierra Foothill League rival Granite Bay 5-4 last week for the D-II section championship.
The championship match will be held 2 p.m. Saturday.