Stadium: Court 2 Oberhaching Round: 44 Ground: Carpet indoor
| ITF Switzerland F5 | 2018/09/02 10:30 | Gian Gruenig v Anton Chekhov | 6-7,3-6 |
| ITF Switzerland F1 Qual | 2018/02/03 09:00 | Alexander Wolfschmidt v Gian Gruenig | 7-6,0-6,7-6 |
| ITF Switzerland F4 Qual | 2017/08/20 08:30 | Quentin Folliot v Gian Gruenig | 7-6,6-2 |
| ITF Switzerland F4 Qual | 2017/08/19 07:00 | Gian Gruenig v Gabriel Currlin | 6-4,6-2 |
| ITF Switzerland F3 Qual | 2017/08/12 09:00 | Maxence Beauge v Gian Gruenig | 7-5,6-4 |
| ITF Switzerland F3 Qual | 2017/08/12 07:00 | Sebastian Eguez v Gian Gruenig | 6-7,4-6 |
| ITF Switzerland F4 Qual | 2016/08/20 12:45 | Gian Gruenig v Luca Castelnuovo | 4-6,2-6 |
| ITF Switzerland F4 Qual | 2016/08/20 07:00 | Federico Juan Aguilar v Gian Gruenig | 2-6,6-2,1-6 |
| ITF Germany F13 | 2018/08/19 14:00 | Julian Lenz v Laurin Aerne | 6-1,6-1 |
| ITF Austria F6 | 2018/08/04 12:45 | Jakob Aichhorn v Laurin Aerne | 6-0,6-1 |
| ITF Austria F6 | 2018/08/04 07:00 | Laurin Aerne v Alexander Abou Boutros | 6-0,6-0 |
| ITF Belgium F6 Qual | 2018/07/28 12:00 | Laurin Aerne v Antoine Damiens | 3-6,2-6 |
| ITF Austria F2 | 2018/07/07 07:15 | Thibault Cancel v Laurin Aerne | 6-2,6-4 |
| ITF Austria F1 | 2018/07/02 09:00 | Laurin Aerne v Mick Veldheer | 4-6,4-6 |
| ITF Austria F1 | 2018/07/01 10:35 | Laurin Aerne v Dominik Hruncak | 6-2,6-0 |
| ITF Austria F1 | 2018/06/30 11:00 | Jonathan Stenberg v Laurin Aerne | 0-6,6-7 |