| 2. Bundesliga | Matches | W | D | L |  |
 |
 |
| home | 2 | 1 | 1 | - | 1 | - | - |
| away | - | - | - | - | - | - | - |
| overall | 2 | 1 | 1 | - | 1 | - | - |
| 2. Bundesliga | Home | - | Guest | |
|
|
Results |
| 03/09/88 | 1. FSV Mainz 05 | - | SpVgg Bayreuth | 1 | - | - | 1:0 |
| 01/05/89 | 1. FSV Mainz 05 | - | Fortuna Düsseldorf | - | - | - | 2:2 |
| 2. Bundesliga | Matches | W | D | L | |
|
|
| home | 2 | 1 | 1 | - | 1 | - | - |
| away | - | - | - | - | - | - | - |
| overall | 2 | 1 | 1 | - | 1 | - | - |
| 2. Bundesliga | Home | - | Guest | |
|
|
Results |
| 03/09/88 | 1. FSV Mainz 05 | - | SpVgg Bayreuth | 1 | - | - | 1:0 |
| 01/05/89 | 1. FSV Mainz 05 | - | Fortuna Düsseldorf | - | - | - | 2:2 |
| Complete name: | Joachim Ren |
| Born: | 07/09/1950 |
| Place of birth: |
Germany |
| Residence: | Salzgitter |
| Nationality: |
Germany |