Washington scored twice in a two-minute span late in the first half to carry a 3-0 lead into the break, and the sixth-seeded Thorns never recovered. The Spirit will meet the seventh-seeded Utah Royals in the semifinals next weekend.

Rodman set up the opening goal in the sixth minute, prying the ball away from Portland defender Carolyn Calzada deep in the Thorns' end, driving into the penalty area and threading a low pass through traffic to Mélissa Bethi, who beat goalkeeper Mackenzie Arnold.

Clara Luvanga made it 2-0 in the 34th minute when Arnold hesitated on a back pass from defender Isabella Obaze. Luvanga closed down the keeper and scored. A minute later, Luvanga raced into the box and crossed for Rodman, who finished for her first goal.

Portland pulled one back in the 51st minute. After a corner kick, the ball fell to Jessie Fleming, who sent it back into the box for Pietra Tordin to finish.

But Luvanga and Rodman answered seven minutes later. Luvanga drove a grounded pass across the penalty area and Rodman met it with her left foot to restore Washington's three-goal cushion.

Portland's Jayden Perry was booked in the 47th minute for a tackle on Rodman and was sent off with two minutes left in regulation after a second yellow card for pulling Rodman's arm during another tackle. Luvanga was booked in the 62nd minute for shoving Thorns defender Reyna Reyes in the back, and Washington's Esme Morgan saw yellow in the 82nd for a rough foul.

The loss ends Portland's campaign in the quarterfinal round, while Washington moves on with momentum behind a dominant attacking performance from Rodman and Luvanga.