Stadium: Court 1 Round: 44 Ground: Clay
| ITF Portugal F9 | 2018/06/18 14:20 | Niklas Schell v Leny Mitjana | 6-3,2-6,3-6 |
| ITF Portugal F9 | 2018/06/17 09:00 | Niklas Schell v Paulo Fernandes | 6-2,6-2 |
| ITF Portugal F9 | 2018/06/16 09:00 | Niklas Schell v Tomas C Abasolo | 7-6,6-2 |
| ITF Turkey F20 Qual | 2018/05/23 11:00 | Niklas Schell v Denis Yevseyev | 2-6,4-6 |
| ITF Turkey F20 Qual | 2018/05/21 07:30 | Niklas Schell v Doru Junior Borsan | 6-1,6-4 |
| ITF Turkey F20 Qual | 2018/05/20 07:30 | Niklas Schell v Andrei Molyak | 6-2,6-3 |
| ITF Poland F2 | 2018/05/08 12:15 | Niklas Schell v Zizou Bergs | 0-6,5-7 |
| ITF Poland F2 | 2018/05/07 08:00 | Niklas Schell v Janis Podzus | 3-6,2-6 |
| ITF Germany F7 | 2018/07/09 08:00 | Gilles Eckert v Patrick Mayer | 6-3,3-6,1-6 |
| ITF Germany F6 | 2018/07/02 09:00 | Gregorio Cordonnier v Patrick Mayer | 6-7,7-5,6-4 |
| 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 | Patrick Mayer v Noah Prehn | 6-1,6-1 |
| ITF Czech Republic F3 Qual | 2018/05/27 08:00 | Philipp Davydenko v Patrick Mayer | 6-1,6-2 |
| ITF Czech Republic F3 Qual | 2018/05/26 09:00 | Patrick Mayer v Matteo Meneghetti | 6-1,6-0 |
| ITF Sweden F3 Qual | 2018/05/20 10:30 | Christoffer Solberg v Patrick Mayer | 6-3,6-4 |
| ITF Sweden F2 Qual | 2018/05/13 11:55 | Patrick Mayer v Marius Ruzgas | 4-6,2-6 |