Stadium: Court 1 Round: 27 Ground: Clay
| ITF Germany F5 | 2018/06/28 11:30 | Ivanov, Vladimir v Hirschmueller, Christian | 2-6,2-6 |
| ITF Germany F5 | 2018/06/26 13:40 | Seibert, Tim v Hirschmueller, Christian | 2-6,6-3,3-6 |
| ITF Germany F4 | 2018/06/20 13:40 | Hirschmueller, Christian v Marvin Moeller | 3-6,2-6 |
| ITF Bosnia and Herzegovina F2 | 2018/05/23 08:00 | Alexandros Skorilas v Hirschmueller, Christian | 6-2,6-3 |
| ITF Bosnia and Herzegovina F1 | 2018/05/17 08:00 | Hirschmueller, Christian v Jotovski, Tomislav | 3-6,3-6 |
| ITF Bosnia and Herzegovina F1 | 2018/05/16 09:00 | Hirschmueller, Christian v Wang, Guan Kai | 6-3,6-3 |
| ITF Sweden F1 | 2018/05/08 13:40 | Hirschmueller, Christian v Lucas Renard | 0-6,3-6 |
| ITF Egypt F16 | 2018/05/02 15:00 | Hirschmueller, Christian v Niels Lootsma | 1-6,6-3,4-6 |
| ITF Germany F5 | 2018/06/28 16:35 | Netuschil, Marvin v Dimitar Kuzmanov | 3-6,1-6 |
| ITF Germany F5 | 2018/06/26 16:00 | Hoischen, Lars v Dimitar Kuzmanov | 2-6,1-6 |
| ITF Germany F4 | 2018/06/24 11:00 | Marvin Moeller v Dimitar Kuzmanov | 2-6,3-6 |
| ITF Germany F4 | 2018/06/23 13:10 | Nerman Fatic v Dimitar Kuzmanov | 2-6,1-6 |
| ITF Germany F4 | 2018/06/23 10:30 | Nerman Fatic v Dimitar Kuzmanov | 2-6,1-5 |
| ITF Germany F4 | 2018/06/22 11:45 | von Massow, George v Dimitar Kuzmanov | 4-6,3-6 |
| ITF Germany F4 | 2018/06/22 08:00 | Gonzalez, Wilfredo v Dimitar Kuzmanov | 1-6,0-6 |
| ITF Germany F4 | 2018/06/20 13:25 | August Holmgren v Dimitar Kuzmanov | 1-6,1-6 |