| Quarterfinals |  | | 1 | Dick McLoughlin
Charleen L Straub | Portland, OR
Milwaukie, OR |  | | | 2 | Bye | | | | 3 | Dale Dinwiddie
Lynn Harper | Corvallis, OR
Corvallis, OR | | | | 4 | John Myers
Sue Sands | Corvallis, OR
Corvallis, OR | | | 5 | Kathy Gibbs
Howard Nakano | Albany, OR
Corvallis, OR | | | | 6 | Mary Sides
Perry Sides | Lake Oswego, OR
Lake Oswego, OR | | | 7 | Bye | | | | | 8 | Diane Baumgartner
Mark Trolan | Salem, OR
Dallas | | | | Semifinals | | | McLoughlin - Straub | | | | | | Dinwiddie - Harper | | | 6-0; 6-0 | | Sides - Sides | | | | 6-2; 6-4 | | Baumgartner - Trolan | | | | | | Finals | | | McLoughlin - Straub | | | | 7-6(4); 7-6(5) | | McLoughlin - Straub | | | 6-4; 2-6; 6-3 | | Sides - Sides | | | 6-4; 6-4 | |
