Korin Medeiros hit the game-winning RBI single in the bottom of the seventh inning to give third-seeded Waiakea a 2-1 win over Pearl City in the semifinals of the Wally Yonamine Foundation/HHSAA State Baseball Championships on Thursday at Les Murakami Stadium.

The Warriors (19-0) advance to their first state final in 16 years on Friday night at 7.

Kodi Medeiros pitched a three-hitter, striking out eight to earn the win.

Tanner Tokunaga drew a bases-loaded walk to score the only run for Pearl City (11-7), which ended its run at defending last year’s state championship.

Robbey Meguro added an RBI triple in the fourth for the Warriors.

>> In the Division II tournament, Waipahu and Waimea will play for the championship on Friday at 4.

The Marauders advanced with a 9-2 win over Maryknoll while the Menehunes defeated Kamehameha-Hawaii 9-4.