2017 OIA Schedule
Updated: April 15| Date | Home | Visitor | Time/Result |
| 2/25 | Aiea | McKinley | Aiea, 10-0 (5) |
| 2/28 | Waipahu | Aiea | Aiea, 10-0 |
| 3/2 | Kaimuki | Waialua | Kaim 11-1 (6) |
| 3/4 | Aiea | Waipahu | Aiea, 3-2 |
| 3/7 | Radford | Kahuku | Rad, 20-0 (5) |
| 3/7 | Waipahu | Waialua | Waip, 16-6 (6) |
| 3/9 | Waialua | Waipahu | Wail, 19-11 |
| 3/11 | Kalani* | McKinley | Kaln, 10-0 (6) |
| 3/11 | Radford | Waipahu | Rad, 22-4 (5) |
| 3/11 | Kaimuki | Kahuku | Kaim, 10-6 |
| 3/14 | Kaimuki | Radford | Kaim, 4-3 |
| 3/14 | Waipahu | Kalani | Kaln, 20-5 |
| 3/14 | McKinley | Waialua | Wail, 16-4 |
| 3/16 | Aiea | Waialua | Aiea, 15-1 |
| 3/18 | McKinley | Kalani | Kaln, 15-1 (5) |
| 3/18 | Waipahu | Radford | Rad (F) |
| 3/18 | Kahuku | Kaimuki | Kaim 23-7 (6) |
| 3/21 | Kalani | Aiea | Aiea, 11-8 |
| 3/21 | Kahuku | McKinley | McK, 32-19 |
| 3/21 | Kaimuki | Waipahu | Waip, 10-4 |
| 3/23 | Radford | Aiea | Aiea, 9-4 |
| 3/28 | Waialua | Aiea | Aiea, 23-0 (5) |
| 3/28 | McKinley | Kahuku | McK, 17-5 (5) |
| 4/1 | Waipahu | Kahuku | Kah, 8-7 |
| 4/1 | McKinley | Radford | Rad, 15-9 |
| 4/1 | Kaimuki | Kalani | Kaln, 5-2 |
| 4/1 | Kalani | Kaimuki | Kaln, 8-7 |
| 4/4 | Radford | Waialua | Rad, 21-4 (5) |
| 4/4 | Waipahu | McKinley | Waip, 7-1 |
| 4/6 | McKinley | Kaimuki | Kaim, 12-3 |
| 4/6 | Aiea | Radford | Aiea, 15-5 (5) |
| 4/6 | Waialua | Kalani | Kaln, 12-1 (5) |
| 4/8 | Kaimuki | McKinley | Kaim, 13-0 (5) |
| 4/8 | Kahuku | Kalani | Kaln, 20-0 (5); 15-0 (5) (DH) |
| 4/13 | Waialua | Radford | Rad, 21-9 (5) |
| 4/13 | Kahuku | Aiea | Aiea, 15-1 |
| 4/15 | Aiea | Kaimuki | Aiea, 13-3 (5) |
| 4/15 | Waialua | Kahuku | Wail, 12-11 |
| 4/15 | Kalani | Radford | Rad, 9-8 |
| 4/17-4/22 | OIA tournament | ||
| 5/2-5/6 | HHSAA tournament | ||
OIA Playoffs
Updated: Apr. 25| DIVISION I | |||
| Date | Home | Visitor | Time/Result |
| First round | |||
| 4/19 | Leilehua (W4) | Farrington (E5) | Lei, 21-2 (5) |
| 4/19 | Campbell (W3) | Kalaheo (E6) | Camp, 12-0 (5) |
| 4/19 | Kaiser (E4) | Kapolei (W5) | Kapo, 10-9 |
| 4/19 | Moanalua (E3) | Nanakuli (W6) | Moan, 6-5 |
| Quarterfinals | |||
| 4/20 | Kailua (E2) | Campbell | Camp, 8-0 (6) |
| 4/22 | Pearl City (W1)* | Kapolei | PC, 2-1 |
| 4/20 | Roosevelt (E1) | Leilehua | Roos, 12-8 |
| 4/22 | Moanalua | Mililani (W2) | Mil, 10-3 |
| Consolation semis | |||
| 4/24 | Kailua | Kapolei | Kapo, 4-1 |
| 4/24 | Moanalua | Leilehua | Lei, 10-4 |
| Semifinals—@ McKinley | |||
| 4/24 | Roosevelt | Mililani | Mil, 9-2 |
| 4/24 | Pearl City | Campbell | PC, 1-0 (9) |
| Fifth place | |||
| 4/25 | Leilehua | Kapolei | Lei, 9-7 |
| Third place | |||
| 4/25 | Roosevelt | Campbell | Camp, 8-0 |
| Final—@ McKinley | |||
| 4/25 | Pearl City | Mililani | Mil 3-1 |
| DIVISION II | |||
| Quarterfinals | |||
| 4/22 | Radford | Waialua | Rad, 20-6 (5) |
| 4/20 | Kaimuki | Waipahu | Waip, 16-11 |
| Semifinals | |||
| 4/24 | Kalani** | Radford | Kaln, 12-8 |
| 4/22 | Aiea | Waipahu | Aiea, 17-2 (5) |
| Third place | |||
| 4/25 | Radford | Waipahu | Waip, 16-15 |
| Final—@ McKinley | |||
| 4/25 | Aiea | Kalani | Aiea, 2-0 |
| * — @ Sand Island ** — @ Palolo |
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OIA Standings
Updated: April 15| Team | W | L | GB |
| Aiea | 10 | 0 | — |
| Kalani | 8 | 2 | 2 |
| Radford | 7 | 3 | 3 |
| Kaimuki | 6 | 4 | 4 |
| Waipahu | 3 | 7 | 7 |
| Waialua | 3 | 7 | 7 |
| McKinley | 2 | 8 | 8 |
| Kahuku | 1 | 9 | 9 |