East Division

Kaiser 10, No. 5 Castle 1

Toby Inouye tossed a three-hitter and Michael Kawashima drove in four runs to lead the host Cougars (6-3) past the fifth-ranked Knights (6-2-1) in a key OIA East game.

Moanalua 6, No. 7 Roosevelt 1

Kekoa Lee hit a solo homer in the sixth inning and was the winning pitcher as host Na Menehune (5-4) handed the seventh-ranked Rough Riders (7-1-1) their first loss.

Kailua 3, No. 9 Kalani 0

Kili Vierra pitched a five-hitter as the host Surfriders (7-1) defeated the ninth-ranked Falcons (6-2) in a key OIA East game.

Kahuku 8, Kaimuki 1

Kaika Sasaoka hit a two-run homer in the bottom of the sixth and three pitchers combined on a three-hitter as the host Red Raiders (3-6-1) beat the Bulldogs (1-8).

McKinley 21, Farrington 0

The Tigers (3-5) scored 15 runs in the third inning en route to a five-inning win over the Governors (0-9) at Joey DeSa Field.

West Division

No. 3 'Aiea 6, Campbell 1

Cody Aquino gave up one run over six innings and batted 2-for-3 with a double to lead host and third-ranked Na Ali'i (8-1) past the Sabers (4-5).

Leilehua 4, No. 4 Mililani 3

Aric Edra went 2-for-3 to help the host Mules (6-3) beat the fourth-ranked Trojans (7-2).

Pearl City 6, No. 8 Wai'anae 0

Bryson Nakamura pitched a three-hit shutout and struck out 10 to help the host Chargers (6-3) beat the eighth-ranked Seariders (7-2).

Waipahu 10, Waialua 3

Kaimi Haina hit a solo homer and scattered six hits to help the visiting Marauders (2-7) beat the host Bulldogs (1-8).

Kapolei 7, Nanakuli 0, forfeit