The Titans started fast, then cruised into the bi-district tournament.
Union, the No. 3 seed in the 4A Greater St. Helens League, won a play-in game at Olympia High for the Titans first postseason win in four years.
The Titans (12-6) advance to the double-elimination bi-district tournament. They face Bellarmine Prep (19-1) at 6 p.m. Thursday in Tacoma.
Courtney Cranston scored 11 of her game-high 14 points in the first half, which ended with Union up 31-11.
Emily Takayoshi added 13 points. Union coach Mike Cranston praised her defense, as she held Federal Way’s leading scorer Sydney Dewitt to eight points.