Stadium: Svijany Court Round: 46
| Challenger Liberec Qual | 2018/07/28 13:15 | Fabrizio Ornago v David Poljak | 4-6,2-6 |
| Challenger Prague Qual | 2018/07/22 08:00 | Pavel Nejedly v David Poljak | 6-2,7-5 |
| Challenger Prague | 2018/07/21 08:00 | Marek Gengel v David Poljak | 6-2,3-6,4-6 |
| ITF Czech Republic F6 | 2018/07/10 08:00 | David Poljak v Tadeas Paroulek | 3-6,2-6 |
| ITF Czech Republic F5 | 2018/07/07 08:30 | David Poljak v Vit Kopriva | 6-4,6-4 |
| ITF Czech Republic F5 | 2018/07/06 08:30 | Marek Jaloviec v David Poljak | 4-6,4-6 |
| ITF Czech Republic F5 | 2018/07/05 09:55 | Oscar Jose Gutierrez v David Poljak | 4-6,1-6 |
| ITF Czech Republic F5 | 2018/07/03 11:25 | Isa Mammetgulyyev v David Poljak | 0-6,4-6 |
| Challenger Liberec Qual | 2018/07/28 14:00 | George Von Massow v Andreas Haider-Maurer | 3-6,6-3,6-2 |
| Challenger Scheveningen Qual | 2018/07/16 10:00 | George Von Massow v Alejandro Davidovich Fokina | 3-6,2-6 |
| Challenger Scheveningen Qual | 2018/07/15 10:00 | Geoffrey Blancaneaux v George Von Massow | 6-3,0-6,1-6 |
| Challenger Scheveningen Qual | 2018/07/14 08:00 | Michiel de Krom v George Von Massow | 5-7,6-1,0-6 |
| Challenger Braunschweig Qual | 2018/07/07 12:30 | George Von Massow v Mariano Kestelboim | 4-6,6-2,3-6 |
| Challenger Braunschweig Qual | 2018/07/07 07:30 | George Von Massow v Joao Pedro Sorgi | 7-5,3-6,6-2 |
| Challenger Marburg Qual | 2018/06/30 17:30 | Christian Lindell v George Von Massow | 7-6,7-5 |
| ITF Netherlands F1 | 2018/06/26 16:00 | George Von Massow v Andrew Watson | 6-7,6-7 |