2016 OIA D-I East Schedule
Updated: 4/16| Date | Home | Visitor | Time/Result |
| 3/2 | Kailua | Castle | Kail, 8-3 |
| 3/2 | Roosevelt | Kaimuki | Kaim, 2-1 |
| 3/2 | Moanalua | Kalani | Kaln, 3-2 (9) |
| 3/5 | Moanalua | Kailua | Moa, 8-7 |
| 3/5 | Kaimuki | Kalani | Kaln, 12-2 (5) |
| 3/5 | Kaiser* | Castle | Kais, 8-6 |
| 3/9 | Kalani | Kailua | Kaln, 2-1 |
| 3/9 | Kaiser | Roosevelt | Roos, 4-1 |
| 3/9 | Castle | Kaimuki | Cast, 16-9 |
| 3/12 | Roosevelt | Kalani | Kaln, 5-2 |
| 3/12 | Moanalua | Kaiser | Moa, 5-4 |
| 3/12 | Kaimuki | Kailua | Kail, 31-1 |
| 3/16 | Kalani | Kaiser | Kaln, 5-2 |
| 3/16 | Castle | Roosevelt | Roos, 3-0 |
| 3/17 | Moanalua | Kaimuki | Moan, 5-0 |
| 3/19 | Moanalua | Castle | Moan, 14-4 (5) |
| 3/19 | Kailua | Roosvelt | Roos, 6-4 |
| 3/19 | Kaimuki | Kaiser | Kais, 5-3 |
| 3/23 | Roosevelt | Moanalua | Moan, 6-3 |
| 3/23 | Kaiser | Kailua | Kail, 10-1 |
| 3/23 | Castle | Kalani | Kaln, 3-1 |
| 3/26 | Kaimuki | Roosevelt | Roos, 15-4 |
| 3/26 | Castle | Kailua | Kail, 10-9 |
| 3/26 | Kalani* | Moanalua | Kaln, 2-1 |
| 3/30 | Castle | Kaiser | Kais, 5-1 |
| 3/30 | Kalani | Kaimuki | Kaln, 13-3 (6) |
| 3/30 | Kailua | Moanalua | Kail, 5-3 |
| 4/2 | Kailua | Kalani | Kail, 10-5 |
| 4/2 | Roosevelt | Kaiser | Roos, 4-3 |
| 4/2 | Kaimuki | Castle | Kaim, 10-8 |
| 4/6 | Kaiser | Moanalua | Moan, 10-4 |
| 4/6 | Kailua | Kaimuki | Kail, 8-0 |
| 4/6 | Kalani | Roosevelt | Kaln, 4-3 (10) |
| 4/8 | Kaiser | Kalani | Kais, 5-4 |
| 4/9 | Kaimuki | Moanalua | Moan, 14-6 |
| 4/9 | Roosevelt | Castle | Roos, 8-7 |
| 4/13 | Castle | Moanalua | Cast, 6-5 |
| 4/13 | Roosevelt | Kailua | Kail, 7-1 |
| 4/13 | Kaiser | Kaimuki | Kais, 11-1 (6) |
| 4/16 | Kailua | Kaiser | Kail, 4-2 |
| 4/16 | Kalani | Castle | Kaln, 11-4 |
| 4/16 | Moanalua | Roosevelt | Moan, 9-1 |
| * — @ Hans L'Orange Field | |||
2016 OIA D-I West Schedule
Updated: 4/16| Date | Home | Visitor | Time/Result |
| 3/2 | Leilehua | Waipahu | Lei, 2-1 |
| 3/2 | Waianae | Pearl City | PC, 4-1 |
| 3/2 | Mililani | Campbell | Mil, 2-1 |
| 3/4 | Waipahu | Mililani | Mil, 7-6 |
| 3/5 | Aiea | Waianae | Aiea, 13-7 |
| 3/5 | Campbell** | Pearl City | PC, 4-2 |
| 3/9 | Mililani | Pearl City | PC, 7-0 |
| 3/9 | Aiea | Leilehua | Aiea, 2-1 (8) |
| 3/9 | Waipahu | Waianae | Waip, 6-5 |
| 3/11 | Leilehua | Campbell | Camp, 7-0 |
| 3/12 | Mililani | Waianae | Mil, 12-2 |
| 3/12 | Pearl City | Aiea | PC, 9-8 |
| 3/16 | Campbell | Waianae | Wain, 1-0 |
| 3/16 | Leilehua | Pearl City | PC, 12-1 (5) |
| 3/16 | Aiea | Waipahu | Aiea, 12-6 |
| 3/18 | Aiea | Campbell | Camp, 6-2 |
| 3/19 | Mililani | Leilehua | Mil, 11-1 (6) |
| 3/19 | Pearl City | Waipahu | PC, 9-0 |
| 3/23 | Pearl City | Waianae | PC, 2-1 |
| 3/23 | Campbell | Mililani | Mil, 7-2 |
| 3/23 | Waipahu | Leilehua | Waip, 3-2 |
| 3/26 | Campbell | Waipahu | Camp, 8-4 |
| 3/26 | Mililani | Aiea | Mil, 4-3 |
| 3/26 | Leilehua** | Waianae | Lei, 3-2 |
| 3/30 | Pearl City | Campbell | PC, 8-2 |
| 3/30 | Waianae | Aiea | Wain, 3-1 |
| 3/30 | Mililani | Waipahu | Mil, 10-3 |
| 4/1 | Aiea | Pearl City | PC, 9-5 |
| 4/2 | Campbell | Leilehua | Camp, 5-0 |
| 4/2 | Waianae | Mililani | Mil, 6-0 |
| 4/6 | Waipahu | Pearl City | PC, 16-7 |
| 4/6 | Leilehua | Mililani | Mil, 8-7 (10) |
| 4/6 | Campbell | Aiea | Camp, 2-1 |
| 4/8 | Waipahu | Campbell | Camp, 6-3 |
| 4/9 | Aiea* | Mililani | Aiea, 2-0 |
| 4/9 | Waianae | Leilehua | Wain, 9-1 |
| 4/13 | Pearl City** | Mililani | PC, 7-4 |
| 4/13 | Waianae | Waipahu | Wain, 6-4 |
| 4/13 | Leilehua | Aiea | Aiea, 5-2 |
| 4/15 | Waianae | Campbell | Camp, 6-3 |
| 4/16 | Waipahu | Aiea | Waip, 6-1 |
| 4/16 | Pearl City | Leilehua | PC, 12-2 (6) |
| * — @ Radford | |||
| ** — @ Hans L'Orange Field | |||
2016 OIA Playoffs
Updated: Apr. 23| DIVISION I | |||
| Date | Home | Visitor | Time/Result |
| First round | |||
| 4/20 | Roosevelt | Waianae | Roos, 6-5 |
| 4/20 | Campbell | Castle | Camp, 3-1 |
| 4/20 | Moanalua | Waipahu | Waip, 4-1 |
| 4/20 | Aiea** | Kaiser | Kais, 5-2 |
| Quarterfinals | |||
| 4/21 | Pearl City | Roosevelt | PC, 13-0 (5) |
| 4/21 | Kailua | Campbell | Kail, 10-3 |
| 4/21 | Mililani | Waipahu | Waip, 4-1 |
| 4/21 | Kalani | Kaiser | Kaln, 8-3 |
| Consolation semis | |||
| 4/22 | Campbell | Roosevelt | Camp. 9-1 |
| 4/22 | Mililani | Kaiser | Mil, 5-2 |
| Semifinals | |||
| 4/22 | Waipahu* | Kalani | Kaln, 3-2 (8) |
| 4/22 | Pearl City* | Kailua | Kail, 9-3 |
| Fifth place | |||
| 4/23 | Mililani | Campbell | Camp, 6-5 (8) |
| Third place | |||
| 4/23 | Pearl City | Waipahu | PC, 7-2 |
| Final | |||
| 4/23 | Kalani* | Kailua | Kail, 7-5 |
| DIVISION II | |||
| Quarterfinals | |||
| 4/21 | Waialua | Farrington | Far, 11-1 (5) |
| 4/21 | Kalaheo*** | Nanakuli | Kalh, 1-0 |
| Semifinals | |||
| 4/22 | Radford**** | Kalaheo | Kalh, 6-4 |
| 4/22 | Kapolei**** | Farrington | Kapo, 21-0 (5) |
| Third place | |||
| 4/23 | Radford | Farrington | Rad, 7-2 |
| Final | |||
| 4/23 | Kapolei* | Kalaheo | Kapo, 9-4 |
| * — @ Hans L'Orange Park | |||
| ** — @ Waipahu | |||
| *** — @ Kailua Rec. Center | |||
| **** — @ Central Oahu Regional Park | |||
2016 OIA D-I East Standings
Updated: 4/16| TEAM | W | L | GB |
| Kalani | 10 | 2 | — |
| Kailua | 9 | 3 | 1 |
| Moanalua | 8 | 4 | 2 |
| Roosevelt | 6 | 6 | 4 |
| Kaiser | 5 | 7 | 5 |
| Castle | 2 | 10 | 8 |
| Kaimuki | 2 | 10 | 8 |
2016 OIA D-I West Standings
Updated: 4/16| TEAM | W | L | GB |
| Pearl City | 12 | 0 | — |
| Mililani | 9 | 3 | 3 |
| Campbell | 7 | 5 | 5 |
| Aiea | 5 | 7 | 7 |
| Waianae | 4 | 8 | 8 |
| Waipahu | 3 | 9 | 9 |
| Leilehua | 2 | 10 | 10 |
