Stadium: Center Court Round: 27 Ground: Clay
| ITF Austria F6 | 2018/08/08 10:55 | Mariano Kestelboim v Michael Weindl | 6-1,6-1 |
| ITF Austria F6 | 2018/08/06 12:15 | Mariano Kestelboim v Christopher Patzanovsky | 6-2,6-4 |
| Challenger - Praag | 2018/07/21 11:45 | Robin Stanek v Mariano Kestelboim | 7-5,6-0 |
| ITF Austria F3 | 2018/07/18 09:30 | Mariano Kestelboim v Johannes Haerteis | 2-6,7-5,2-6 |
| ITF Austria F3 | 2018/07/17 14:35 | Mariano Kestelboim v Arklon H D Pino | 6-1,6-2 |
| Challenger Braunschweig Qual | 2018/07/08 10:55 | Marvin Netuschil v Mariano Kestelboim | 6-3,6-1 |
| Challenger Braunschweig Qual | 2018/07/07 12:30 | George Von Massow v Mariano Kestelboim | 4-6,6-2,3-6 |
| ITF Czech Republic F4 | 2018/06/26 10:20 | Mariano Kestelboim v Tadeas Paroulek | 5-7,3-6 |
| ITF Austria F6 | 2018/08/08 09:00 | Mick Veldheer v Takuto Niki | 7-6,7-5 |
| ITF Austria F6 | 2018/08/07 09:00 | Mick Veldheer v Philip Aplienz | 6-2,6-2 |
| ITF Austria F4 | 2018/07/24 10:00 | Yuta Shimizu v Mick Veldheer | 7-5,7-6 |
| ITF Austria F3 | 2018/07/18 08:00 | Ivan Davydov v Mick Veldheer | 6-4,7-5 |
| ITF Austria F3 | 2018/07/17 11:25 | Filip Duda v Mick Veldheer | 1-6,6-7 |
| ITF Austria F2 | 2018/07/09 14:00 | Mick Veldheer v Joy Vigani | 1-6,4-6 |
| ITF Austria F1 | 2018/07/05 08:00 | Bogdan Bobrov v Mick Veldheer | 6-3,7-6 |
| ITF Austria F1 | 2018/07/04 08:00 | Mick Veldheer v Luca Giacomini | 6-3,6-3 |