These two Metro League powers know each other well, which provided for a back-and-forth affair most of the contest.
But with the game tied at 39-all, the No. 2 Panthers (23-5) made one final surge to put this one away, outscoring the No. 4 Fighting Irish 8 to 3 in the final two minutes of the game.
Seattle Prep faces No. 1 Kamiakin of Kennewick in the semifinals.
“We knew defense was going to win it for us,’ said Seattle Prep swingman DJ Fenner. “And what we did is we got stops, they fouled and we made our free throws down the stretch.”
The Panthers finished 14 of 20 from the free throw line, including 11 of 15 in the second half.
Fenner paced Seattle Prep with 15 points, while Mitch Brewe added 15 points and 12 rebounds.
Sekou Wiggs led O’Dea (20-8) with 15 points, and Dana Abe added 11.