Portland outshot San Diego 18-1 Thursday, but couldn't break through in a 0-0 double-overtime tie with the Toreros.
The Pilots concluded the regular season with a 14-4-2 overall record, 4-2-1 in WCC games. San Diego finished 11-6-3, 3-3-1 in WCC games.
Lauren Arase earned the shutout without making a save, while the Pilot offense - missing all-America striker Christine Sinclair (Canadian national team duty) - overwhelmed the Toreros with offensive possession.
Lindsey Huie led Portland with six shots, but San Diego keeper Natalie Bobbit had four saves for the Torero shutout.
Portland now awaits the 2002 NCAA College Cup bracket announcement Monday, Nov. 11. The bracket announcement will be shown live on ESPNEWS at 1:30 p.m.