Events to watch

TODAY

• BASEBALL: Interscholastic League of Honolulu Tournament Championship — Kamehameha vs. Mid-Pacific at Ala Wai, 6 p.m. (If Kamehameha loses, the teams will play again Thursday for the championship of double-elimination tournament.)

TOMORROW

• BASEBALL: O'ahu Interscholastic Association Championship Tournament — (Division, seed in parentheses) First round, all games at 4 p.m.: Mililani (W-5) at Moanalua (E-4), Kalaheo (E-6) at Campbell (W-3), Kapolei (W-6) vs. Kalani (E-3) at Kahala field, Kahuku (E-5) at Pearl City (W-4).
• GIRLS BASKETBALL: O'ahu Interscholastic Association Championship Tournament — Semifinals at Moanalua, Kahuku vs. Farrington, 5 p.m.; McKinley vs. Moanalua, 6:30 p.m. All four teams have qualified for the state tournament May 13-16 at UH.
• GIRLS WATER POLO: Interscholastic League of Honolulu Championship Tournament — Semifinals at Punahou, Punahou vs. Pac-Five, 5 p.m.; Iolani vs. Kamehameha, 6:15 p.m.
• GIRLS WATER POLO: O'ahu Interscholastic Association Championship Tournament — At Duke Kahanamoku Aquatic Complex, University of Hawai'i, Kaiser vs. Leilehua, 4 p.m., Kalani vs. Kapolei, 5:30 p.m.

THURSDAY

• BASEBALL: O'ahu Interscholastic Association Championship Tournament — (Division, seed in parentheses) Quarterfinals, all games at 4 p.m., Winner of Moanalua-Mililani at 'Aiea (W-1), winner of Campbell-Kalaheo vs. Roosevelt (E-2) at Stevenson Intermediate, winner of Kalani-Kapolei at Wai 'anae (W-2), winner of Pearl City-Kahuku at Kailua (E-1). Winners all qualify for state tournament May 14-17 on Maui.
• BASEBALL: Interscholastic League of Honolulu Tournament Championship — At Ala Wai, 6 p.m., if Kamehameha wins Tuesday, Mid-Pacific plays Iolani for league's second berth in next week's state tournament; If Kamehameha loses Tuesday: Kamehameha plays Mid-Pacific for tournament championship.
• TENNIS: Carlsmith-Ball Boys and Girls State Championships at Central O'ahu Regional Park in Waipi'o, O'ahu: Early rounds start at 8:30 a.m.
• TRACK & FIELD: Island Movers Boys and Girls State Championships at Kunuiakea Athletic Complex, the Kamehameha Schools, O'ahu — Qualifying events for Saturday's finals, field events begin at noon, running events at 3:15 p.m.

FRIDAY

• BASEBALL: O'ahu Interscholastic Association Championship Tournament — Semifinals at home field of higher seed, 4 p.m.
• GIRLS BASKETBALL: O'ahu Interscholastic Association Championship Tournament Finals — At Stan Sheriff Center, University of Hawai'i: Third place: Wednesday's losers at 5 p.m.; Championship, Wednesday's winners at 7 p.m.
• GIRLS BASKETBALL: ILH playoff for third state tournament berth. 6:30 p.m. at Saint Louis McCabe gym.
• GOLF: David S. Ishii Girls State Championship — Round 1 of 2 at Waikoloa Beach course, Big Island, 7 a.m.
• TENNIS: Carlsmith-Ball Boys and Girls State Championships at Central O'ahu Regional Park in Waipi'o, O'ahu: Through quarterfinals, starting at 8:30 a.m.
• GIRLS WATER POLO: Interscholastic League of Honolulu Championship Tournament — Finals at Punahou, Wednesday's losers for third place at 5 p.m.; Wednesday's winners for championship at 6:15 p.m.

SATURDAY

• BASEBALL: O'ahu Interscholastic Association Championship Tournament — At Mililani High: fifth-place game at 9:30 a.m., third-place game at 12:30 p.m., championship game at 3:30 p.m.
• BASEBALL: Interscholastic League of Honolulu — If necessary, if Mid-Pacific wins Tuesday and Thursday, Kamehameha vs. Mid-Pacific for overall championship, at Ala Wai Field, 6 p.m.
• TENNIS: Carlsmith-Ball Boys and Girls State Championships at Central O'ahu Regional Park in Waipi'o, O'ahu — Singles and doubles semifinals, 8:30 a.m. Championship and third-place matches, 10:30 a.m.
• GOLF: David S. Ishii Girls State Championship — Final round at Waikoloa Beach course, Big Island, 7 a.m.
• JUDO: O'ahu Interscholastic Association — Boys and girls Individual championships at 'Aiea High, 10:45 a.m.
• TRACK & FIELD: Island Movers Boys and Girls State Championships at Kunuiakea Athletic Complex, the Kamehameha Schools, O'ahu — field events, 3:30 p.m., opening ceremonies, 5:15 p.m., running events, 5:40 p.m.
• GIRLS WATER POLO: O'ahu Interscholastic Association Championship Tournament — At Duke Kahanamoku Aquatic Complex, University of Hawai'i, Kahuku vs. winner of Kaiser/Leilehua, 10:30 a.m.; Roosevelt vs. winner of Kalani/Kapolei at noon; losers play for third place at 2 p.m; winners play for championship at 3:30 p.m.