Stadium: Court 5 Round: 25 Ground: Clay
| Challenger Pullach Qual | 2018/08/06 10:00 | Kimmer Coppejans v George Von Massow | 6-2,6-2 |
| Challenger Pullach Qual | 2018/08/05 11:50 | Andreas Haider-Maurer v George Von Massow | 5-7,6-7 |
| Challenger Pullach Qual | 2018/08/04 13:05 | George Von Massow v Marek Jaloviec | 6-4,4-6,6-3 |
| Challenger Liberec Qual | 2018/07/29 12:00 | David Poljak v George Von Massow | 7-6,7-6 |
| 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 |
| ITF Austria F3 | 2018/07/19 09:30 | Michal Konecny v Alexander Lazov | 3-6,4-6 |
| ITF Austria F3 | 2018/07/18 10:30 | Bogdan Borza v Alexander Lazov | 1-6,2-6 |
| ITF Austria F3 | 2018/07/17 12:00 | Philipp Schroll v Alexander Lazov | 6-7,6-7 |
| ITF Italy F12 | 2018/05/30 15:30 | Pietro Rondoni v Alexander Lazov | 6-2,7-5 |
| ITF Italy F12 | 2018/05/29 10:30 | Giovanni Fonio v Alexander Lazov | 5-7,5-7 |
| ITF Italy F11 | 2018/05/26 08:30 | Alexander Lazov v Pietro Rondoni | 5-7,3-6 |
| ITF Italy F11 | 2018/05/25 08:30 | Alexander Lazov v Maxime Tabatruong | 6-2,7-5 |
| ITF Italy F11 | 2018/05/24 11:00 | Patricio Heras v Alexander Lazov | 2-6,7-6,1-6 |