A thriller in Hemmeter Fieldhouse left Gonzaga Prep (Spokane, Wash.) stunned in the semifinal round of the Punahou Invitational. Zion White clutched up with a game-tying 17-foot jumper at the buzzer to force overtime, and No. 3-ranked Punahou edged Gonzaga Prep, 63-61, in the semifinal round of the Punahou Invitational.