Stadium: Court 2 Round: 25 Ground: Clay
| ITF Switzerland F4 | 2018/08/27 08:30 | Loic Perret v Yannik Steinegger | 4-6,2-6 |
| ITF Switzerland F3 | 2018/08/19 11:00 | Luca Keist v Yannik Steinegger | 6-4,3-6,6-3 |
| ITF Austria F1 | 2018/06/30 11:00 | Dominik Hruncak v Yannik Steinegger | 7-6,6-2 |
| ITF Switzerland F1 | 2018/02/08 13:40 | Yannik Steinegger v Sami Reinwein | 4-6,3-6 |
| ITF Switzerland F1 | 2018/02/07 12:00 | Antoine Bellier v Yannik Steinegger | 4-6,4-6 |
| ITF Switzerland F1 Qual | 2018/02/05 12:25 | Bastien Kolly v Yannik Steinegger | 6-7,0-6 |
| ITF Switzerland F1 Qual | 2018/02/04 11:30 | Yannik Steinegger v Alessandro Ceppellini | 6-2,6-4 |
| ITF Switzerland F1 Qual | 2018/02/03 11:30 | Yannik Steinegger v Timo Lanz | 7-6,6-3 |
| ITF Switzerland F4 | 2018/08/27 12:15 | Patrik Hartmeier v Bastian Parada | 6-3,7-5 |
| ITF Switzerland F3 | 2018/08/23 13:30 | Patrik Hartmeier v Alen Avidzba | 3-6,0-6 |
| ITF Switzerland F3 | 2018/08/22 14:45 | Patrik Hartmeier v Maurizio Speziali | 6-4,6-3 |
| ITF Switzerland F3 | 2018/08/19 11:00 | Keivon Tabrizi v Patrik Hartmeier | 4-6,4-6 |
| ITF Belgium F6 Qual | 2018/07/28 07:00 | Benjamin Dhoe v Patrik Hartmeier | 7-6,2-6,7-6 |
| ITF Germany F9 | 2018/07/22 17:30 | Patrik Hartmeier v Tillmann Erdbories | 0-6,1-6 |
| ITF Germany F9 | 2018/07/22 11:00 | Mislav Bosnjak v Patrik Hartmeier | 6-7,1-6 |
| ITF Czech Republic F4 Qual | 2018/06/23 08:00 | Patrik Hartmeier v Tomas Jirousek | 6-7,3-6 |