Bowsher fought off a furious comeback by Central Catholic Thursday night to advance with a 63-60 victory.
The Rebels led by eleven in the 2nd half but shot only 27.3% (6-22) from the free throw line allowing the Irish to cut the lead to three. Marcus Winters missed a game tying 3 with seconds left on the clock.
Nate Allen led all scorers with 22 and Aundre Kizer was right behind him with 19 points.
The Fighting Irish were led by Winters who had 16. Deshone Kizer had 8 points and 10 rebounds.
Bowsher will take on St. John's Saturday night at Savage Arena.
The Rebels beat the Titans in the regular season thanks to a Dajuan King buzzer beater.