Stadium: Court 9 Round: 25 Ground: Clay
| ITF Netherlands F2 Qual | 2018/07/02 11:45 | Valentin Guenther v Tillmann Erdbories | 6-7,6-1,2-6 |
| ITF Netherlands F2 Qual | 2018/07/01 08:00 | Valentin Guenther v Thorsten Sollie | 7-6,6-7,6-4 |
| ITF Netherlands F1 Qual | 2018/06/24 09:00 | Valentin Guenther v Bobbie De Goeijen | 2-6,3-6 |
| ITF Germany F4 | 2018/06/21 08:30 | Dominik Boehler v Valentin Guenther | 6-4,6-4 |
| ITF Germany F4 | 2018/06/19 14:35 | Valentin Guenther v Leon Hoeveler | 6-3,6-2 |
| ITF Turkey F21 | 2018/05/29 09:10 | Mats Rosenkranz v Valentin Guenther | 6-0,3-6,6-4 |
| ITF Turkey F20 | 2018/05/24 07:30 | Paul Woerner v Valentin Guenther | 6-2,6-3 |
| ITF Turkey F20 | 2018/05/23 07:30 | Louroi Martinez v Valentin Guenther | 2-6,0-6 |
| ITF Spain F13 | 2018/05/28 12:00 | Emil Ruusuvuori v Patrik Niklas-Salminen | 6-3,4-6,6-4 |
| ITF China F6 | 2018/05/20 02:30 | Patrik Niklas-Salminen v Fajing Sun | 2-6,6-4,6-4 |
| ITF China F6 | 2018/05/18 02:00 | Shintaro Imai v Patrik Niklas-Salminen | 3-6,6-7 |
| ITF China F6 | 2018/05/16 02:00 | Patrik Niklas-Salminen v Collin Altamirano | 7-6,7-5 |
| ITF China F6 | 2018/05/15 03:05 | Patrik Niklas-Salminen v Sheng Hao Zhou | 6-4,6-4 |
| ITF China F5 | 2018/05/08 02:00 | Cheong-Eui Kim v Patrik Niklas-Salminen | 6-7,6-4,6-4 |
| ITF Israel F4 | 2018/04/27 07:00 | Alessandro Bega v Patrik Niklas-Salminen | 4-6,6-4,6-2 |
| ITF Israel F4 | 2018/04/26 07:40 | Patrik Niklas-Salminen v Vladyslav Orlov | 6-0,6-1 |