A gritty pitching performance by Shamus Kumashiro sparked host Kalani past Wai'anae, 7-5, in an O'ahu Interscholastic Association first-round playoff game yesterday.

Kalani, the East Division's No. 4 seed, advanced to today's quarterfinal game against 'Aiea, the West Division's top team, at Central O'ahu Regional Park.

The game will be televised live on OC-16 at 5:30 p.m.

Kumashiro, a junior left-hander, took a 7-2 lead into the final inning at Kahala Field, and fell one out short of earning his second consecutive complete-game victory. He allowed five runs, four earned, on six hits, two walks and one hit-batsmen. He struck out seven.

"He did a heck of a job," Kalani coach Shannon Hirai said of Kumashiro, who closed the regular season with a 5-1 complete-game victory against visiting Castle on April 26. "He looked good going in, so we just went with a hunch and came back with him. He came up big for us today."

Joshua Markwith got the final out with a man on second base for the save.

"I think we played very well, and we accomplished what we wanted to do," Kumashiro said. "Our bats came around, and our fielding was all right."

Kalani parlayed two hits, two errors and one hit batsman into three unearned runs in the second inning off Wai'anae starter Ande Kuakini. Kenn Kamoto hit a run-scoring single, and Markwith added an RBI groundout.

Wai'anae — the West Division's No. 5 seed — responded with two runs in the third inning on Darius Fuller's run-scoring triple, and Barak Holt's sacrifice fly.

In the fifth inning, Kalani sent 10 batters to the plate and scored four runs for a 7-2 lead. Jason Lee, Chris Pieper, Terrence Lum and Kamoto each had RBIs in the inning.

In the seventh inning, Wai'anae scored three runs, highlighted by Kuakini's two-out, run-scoring double, to chase Kumashiro and cut the deficit to 7-5.

"I thought we competed the whole game," Wai'anae coach Kekoa Kaluhiokalani said. "It was just that one inning. We made some key mistakes, some errors and it cost us. A good team like Kalani took advantage of our mistakes."

WAI'ANAE (7-4) 002 000 3—5 6 3

KALANI (8-3) 030 040 X—7 6 4

Ande Kuakini, Darius Fuller (5) and Richard Tacgere-Bailey, Kuakini (6). Shamus Kumashiro, Joshua Markwith (7) and Jason Lee. W—Kumashiro. L—Kuakini. S—Markwith.

Leading hitters: Wai'anae—Darius Fuller 2-4, triple; Ande Kuakini double. Kalani—Ridge Carpenter 2-4, double; Kenn Kamoto 2 RBIs.

LEILEHUA 2, ROOSEVELT 0

John Olley scattered five hits in a shutout of the Rough Riders at Fred Wright Field.

The Mules advance to face Kaiser today at 4 p.m. in a quarterfinal game.

ROOSEVELT (5-6) 000 000 0—0 5 1

LEILEHUA (9-2) 011 000 0—2 6 0

Dane Kinoshita and Shannon Fukata. John Olley and Ehukai Woolley. W—Olley. L—Kinoshita.

Leading hitters: Roosevelt—Keoni Manago double. Leilehua—Sevy Tolentino double, run; Woolley RBI.

Reported by Mike Kim

CASTLE 6, MILILANI 3

Royce Diaz tossed a three-hitter and the visiting Knights beat the Trojans. Castle, the Eastern Division's fifth seed, advances to play at Moanalua today at 4 p.m.

CASTLE (7-4) 103 002 0—6 13 3

MILILANI (7-4) 000 120 0—3 3 1

Royce Diaz and David Mohika. Dustin Antolin, Kylen Cadiam (6) and Blayne Kamahiai. W—Diaz. L—Antolin.

Leading hitters: Castle—Kyle Kanaeholo 3-4, double; Dallas Olsen double, 2 RBIs; Corey Paredes triple; Jordan Nakaiamo 3-4, double; Kyle Abasial 2-4. Mililani—Richie Mariano 2 RBIs.

Reported by Dean Sato

KAILUA 6, CAMPBELL 2

Mike D'Alessio gave up one run over six innings to lead the host Surfriders past the Sabers. Kailua, the Eastern Division's third seed, advances to play at Pearl City, the Western Division's second seed, today at 4 p.m.

CAMPBELL (6-5) 100 000 1—2 6 3

KAILUA (9-2) 010 131 X—6 7 2

Channon Coloma, Blayne Dikito (5) and Kendall Hodson. Mike D'Alessio, Pat Murphy (7) and Rayner Yokoi, D'Alessio. W—D'Alessio. L—Coloma.

Leading hitters: Campbell—Hodson 2-3, 2 doubles, 2 RBIs; Cameron Howser double. Kailua—D'Alessio triple; Aaron Kunioka triple, RBI; Kurt Sasaoka double; Zach Akamine double.

Reported by Tom Ishigo

Reach Brandon Masuoka at bmasuoka@honoluluadvertiser.com.