Stadium: Center Court Round: 25 Ground: Clay
| ITF Germany F4 | 2018/06/18 11:00 | Leon Hoeveler v Robert Strombachs | 1-6,2-6 |
| ITF Germany F4 | 2018/06/17 12:00 | Fabian Penzkofer v Robert Strombachs | 2-6,1-6 |
| ITF Czech Republic F3 Qual | 2018/05/27 09:00 | Mateusz Terczyński v Robert Strombachs | 6-4,6-0 |
| ITF Czech Republic F1 | 2018/05/18 09:00 | Sebastian Fanselow v Robert Strombachs | 6-1,6-3 |
| ITF Czech Republic F1 | 2018/05/15 08:00 | Alessandro Ricci v Robert Strombachs | 1-6,6-3,4-6 |
| ITF Czech Republic F1 | 2018/05/14 10:50 | Robert Strombachs v Antonin Stepanek | 7-6,6-2 |
| ITF Czech Republic F1 | 2018/05/13 08:00 | Robert Strombachs v Stepan Pecak | 6-3,6-2 |
| ITF Poland F2 | 2018/05/08 10:15 | Martins Podzus v Robert Strombachs | 6-1,6-2 |
| ITF Germany F4 | 2018/06/18 08:30 | Daniil Klimov v August Holmgren | 1-6,1-6 |
| ITF Germany F4 | 2018/06/17 12:00 | Daniil Klimov v Patrick Mayer | 6-2,7-6 |
| ITF Germany F4 | 2018/06/16 10:30 | Daniil Klimov v Hendrik Jebens | 6-3,6-1 |
| ITF Turkey F22 | 2018/06/03 07:30 | Daniil Klimov v Carlos Kelaidis | 1-6,3-6 |
| ITF Turkey F22 | 2018/06/02 07:30 | Daniil Klimov v Socrates Leon Tsoronis | 6-4,7-5 |
| ITF Turkey F21 Qual | 2018/05/28 09:10 | Daniil Klimov v Alexey Baryshev | 4-6,1-6 |
| ITF Turkey F21 Qual | 2018/05/27 09:00 | Daniil Klimov v Jesse Paul Krattiger | 3-6,6-1,6-0 |
| ITF Turkey F21 Qual | 2018/05/26 07:30 | Daniil Klimov v Osmancan Soyler | 6-1,6-3 |