| 15. Round | 27/10/2012 | SV 07 Elversberg | - | 1. FSV Mainz 05 II | 2:5 | ||||
| 16. Round | 03/11/2012 | 1. FSV Mainz 05 II | - | Bayern Alzenau | 1:1 | ||||
| 18. Round | 17/11/2012 | 1. FSV Mainz 05 II | - | SG Sonnenhof Großaspach | 0:0 | ||||
| 19. Round | 24/11/2012 | SSV Ulm 1846 | - | 1. FSV Mainz 05 II | 2:1 |  |
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| 17. Round | 28/11/2012 | 1. FC Kaiserslautern II | - | 1. FSV Mainz 05 II | 2:0 | ||||
| 20. Round | 02/12/2012 | 1. FSV Mainz 05 II | - | Eintracht Trier | 1:1 | ||||
| 25. Round | 09/03/2013 | FC 08 Homburg | - | 1. FSV Mainz 05 II | 0:1 | ||||
| 33. Round | 27/04/2013 | Hessen Kassel | - | 1. FSV Mainz 05 II | 1:1 | |
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| 34. Round | 04/05/2013 | 1. FSV Mainz 05 II | - | SV 07 Elversberg | 2:1 | ||||
| 35. Round | 07/05/2013 | Bayern Alzenau | - | 1. FSV Mainz 05 II | 0:1 | ||||
| 26. Round | 10/05/2013 | 1. FSV Mainz 05 II | - | Eintracht Frankfurt II | 2:0 | ||||
| 36. Round | 15/05/2013 | 1. FSV Mainz 05 II | - | 1. FC Kaiserslautern II | 1:3 | ||||
| 37. Round | 18/05/2013 | SG Sonnenhof Großaspach | - | 1. FSV Mainz 05 II | 3:1 | ||||
| 38. Round | 25/05/2013 | 1. FSV Mainz 05 II | - | SSV Ulm 1846 | 4:2 |
Germany