| VANDALIA BUTLER Seed: 8 1 |
| Date: 10/16/2018 Time: 6:00 PM |
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25-20, 25-19, 15-25, 25-17
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| KETTERING FAIRMONT Seed: 11 3 |
| LEBANON Seed: 6 3 |
| Date: 10/17/2018 Time: 7:30 PM |
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25-10, 25-8, 25-13
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| RIVERSIDE STEBBINS Seed: 17 0 |
| CIN. COLERAIN Seed: 20 3 |
| Date: 10/17/2018 Time: 6:00 PM |
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25-12, 25-20, 25-21
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| OXFORD TALAWANDA Seed: 24 0 |
| CIN. WITHROW Seed: 31 0 |
| Date: 10/17/2018 Time: 7:30 PM |
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25-6, 25-6, 25-6
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| FAIRFIELD Seed: 11 3 |
| BEAVERCREEK Seed: 3 3 |
| Date: 10/20/2018 Time: 1:00 PM |
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25-14, 25-12, 25-13
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| KETTERING FAIRMONT Seed: 11 0 |
| HUBER HTS. WAYNE Seed: 18 0 |
| Date: 10/20/2018 Time: 2:30 PM |
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25-10, 25-11, 25-10
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| LEBANON Seed: 6 3 |
| CIN. MOUNT NOTRE DAME Seed: 3 3 |
| Date: 10/20/2018 Time: 11:00 AM |
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25-11, 25-9, 25-13
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| CIN. COLERAIN Seed: 20 0 |
| CIN. TURPIN Seed: 9 3 |
| Date: 10/20/2018 Time: 12:30 PM |
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25-15, 25-18, 25-17
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| FAIRFIELD Seed: 11 0 |
| BEAVERCREEK Seed: 3 2 |
| Date: 10/24/2018 Time: 6:00 PM |
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29-27, 22-25, 15-25, 25-20, 16-14
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| LEBANON Seed: 6 3 |
| CIN. MOUNT NOTRE DAME Seed: 3 3 |
| Date: 10/24/2018 Time: 7:30 PM |
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25-16, 25-12, 25-22
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| CIN. TURPIN Seed: 9 0 |
| LEBANON Seed: 6 0 |
| Date: 10/27/2018 Time: 3:00 PM |
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25-16, 25-15, 25-16
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| CIN. MOUNT NOTRE DAME Seed: 3 3 |
| CIN. MOUNT NOTRE DAME |
| To Regional Semifinal | | at Lakota east HS | | Wed., Oct. 25 - 6:00 PM | | as home team |
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