| RDF12 | | Mi | 06.02.13 | | 18:00 | Rendsburger TSV | Osterbyer SV | 4:6 | |
| RDF2 | | Sa | 09.02.13 | v | 10:30 | SV GW Mielkendorf | Osterbyer SV | 6:4 | |
| RDF16 | | Fr | 15.02.13 | | 17:15 | Osterbyer SV | MTSV Hohenwestedt | 6:0 | kl |
| RDF22 | | Mi | 20.02.13 | | 17:45 | TSV Vineta Audorf | Osterbyer SV | 2:6 | |
| RDF29 | | Fr | 01.03.13 | | 17:15 | Osterbyer SV | SG Nortorf/Aukrug | 6:3 | |
| RDF32 | | Mo | 04.03.13 | | 18:00 | TSV Owschlag | Osterbyer SV | 2:6 | |
| RDF41 | | Fr | 22.03.13 | | 17:15 | Osterbyer SV | Eckernförder MTV | 6:0 | |
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