| 1. Round | 25/08/2012 | SC Freiburg | - | 1. FSV Mainz 05 | 1:1 | ||||
| 19. Round | 26/01/2013 | SpVgg Greuther Fürth | - | 1. FSV Mainz 05 | 0:3 | ||||
| 22. Round | 16/02/2013 | 1. FSV Mainz 05 | - | FC Schalke 04 | 2:2 | ||||
| 23. Round | 23/02/2013 | 1. FSV Mainz 05 | - | VfL Wolfsburg | 1:1 | ||||
| 25. Round | 09/03/2013 | 1. FSV Mainz 05 | - | Bayer Leverkusen | 1:0 | ||||
| 26. Round | 16/03/2013 | 1899 Hoffenheim | - | 1. FSV Mainz 05 | 0:0 | ||||
| 28. Round | 07/04/2013 | 1. FC Nürnberg | - | 1. FSV Mainz 05 | 2:1 | ||||
| 31. Round | 28/04/2013 | 1. FSV Mainz 05 | - | Eintracht Frankfurt | 0:0 | ||||
| 34. Round | 18/05/2013 | VfB Stuttgart | - | 1. FSV Mainz 05 | 2:2 |  |
Germany
Nigeria