Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| Challenger Liberec | 2018/07/31 11:35 | Dominik Kellovsky v Riccardo Bellotti | 1-6,5-7 |
| Challenger Prague Qual | 2018/07/22 14:10 | Dominik Kellovsky v Marc Sieber | 3-6,6-7 |
| Challenger Prague | 2018/07/21 13:20 | Volodymyr Uzhylovskyi v Dominik Kellovsky | 6-3,2-6,3-6 |
| ITF Czech Republic F6 | 2018/07/12 10:55 | Tomas Jirousek v Dominik Kellovsky | 6-3,7-6 |
| ITF Czech Republic F6 | 2018/07/11 10:30 | Dominik Kellovsky v Martin Bugaj | 6-4,6-2 |
| ITF Czech Republic F6 | 2018/07/10 09:20 | Roman Boychuk v Dominik Kellovsky | 4-6,2-6 |
| ITF Czech Republic F4 | 2018/06/25 12:05 | Dominik Kellovsky v Vit Kopriva | 6-4,3-6,0-6 |
| ITF Czech Republic F4 Qual | 2018/06/24 09:00 | Dominik Kellovsky v Daniel Paty | 6-1,6-3 |
| Challenger Meerbusch Qual | 2018/08/11 13:05 | Tristan Lamasine v Gijs Brouwer | 6-2,4-6,6-1 |
| ITF Italy F22 | 2018/08/07 08:00 | Gijs Brouwer v Thiago Seyboth Wild | 3-6,4-6 |
| ITF Germany F10 | 2018/07/31 12:25 | Maxime Tchoutakian v Gijs Brouwer | 6-4,3-6,7-5 |
| Challenger Scheveningen | 2018/07/17 10:45 | Gijs Brouwer v Uladzimir Ignatik | 3-6,0-6 |
| Challenger Scheveningen Qual | 2018/07/16 11:00 | Antoine Bellier v Gijs Brouwer | 4-6,2-6 |
| Challenger Scheveningen Qual | 2018/07/15 14:25 | Gijs Brouwer v Jan Satral | 6-4,6-3 |
| Challenger Scheveningen Qual | 2018/07/14 16:00 | Gijs Brouwer v Lodewijk Weststrate | 6-1,6-3 |
| ITF Netherlands F2 | 2018/07/05 08:00 | Bart Van Den Berg v Gijs Brouwer | 6-1,1-6,7-6 |