Stadium: Court 1 Round: 26 Ground: Hardcourt indoor
| ATP Stuttgart MD | 2018/06/17 09:00 | Petzschner/Puetz v Lindstedt/Matkowski | 7-6,6-3 |
| ATP Stuttgart MD | 2018/06/15 11:30 | Qureshi/Rojer v Petzschner/Puetz | 6-7,3-6 |
| ATP Stuttgart MD | 2018/06/14 12:45 | Demoliner/Lopez v Petzschner/Puetz | 4-6,7-6,6-10 |
| ATP Stuttgart MD | 2018/06/13 14:15 | Balaji/Vardhan v Petzschner/Puetz | 2-6,6-3,7-10 |
| Challenger Heilbronn MD | 2018/05/17 18:20 | Molchanov/Zelenay v Petzschner/Puetz | 6-2,2-6,10-6 |
| Challenger Aix en Provence MD | 2018/05/12 16:40 | Andreozzi/de Schepper v Petzschner/Puetz | 7-6,2-6,8-10 |
| Challenger Aix en Provence MD | 2018/05/11 11:30 | Petzschner/Puetz v Moraing/Otte | 6-3,6-1 |
| Challenger Aix en Provence MD | 2018/05/10 14:20 | Petzschner/Puetz v Duran/Gonzalez | 7-5,3-6,10-6 |