Stadium: Court 5 Round: 44 Ground: Clay
| ITF Switzerland F4 | 2018/08/26 09:00 | Perret, Loic v Guye, Adrien | 6-1,6-0 |
| ITF Switzerland F3 | 2018/08/19 11:00 | Perret, Loic v Burgos, Mark | 6-7,3-6 |
| ITF Spain F20 Qual | 2018/07/23 10:00 | Sebastian Baez v Perret, Loic | 6-4,6-0 |
| ITF Spain F20 Qual | 2018/07/22 08:30 | Gomez Montesa, Sergio v Perret, Loic | 6-7,7-6,2-6 |
| ITF Spain F19 Qual | 2018/07/16 09:30 | Perret, Loic v Trapeznikov, Zakhar | 6-2,2-6,1-6 |
| ITF Spain F19 Qual | 2018/07/15 08:30 | Perret, Loic v Stepanov Zyabtchenko, Felipe | 6-2,6-3 |
| ITF Spain F19 Qual | 2018/07/14 12:00 | Perret, Loic v Saez-Royuela Ariza, Alvaro | 7-6,6-2 |
| ITF France F12 Qual | 2018/06/30 16:00 | Portales, Nino v Perret, Loic | 6-1,6-1 |
| ITF Switzerland F3 | 2018/08/19 11:00 | Keist, Luca v Yannik Steinegger | 6-4,3-6,6-3 |
| ITF Austria F1 | 2018/06/30 11:00 | Hruncak, Dominik v Yannik Steinegger | 7-6,6-2 |
| ITF Switzerland F1 | 2018/02/08 13:40 | Yannik Steinegger v Reinwein, Sami | 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 | Kolly, Bastien v Yannik Steinegger | 6-7,0-6 |
| ITF Switzerland F1 Qual | 2018/02/04 11:30 | Yannik Steinegger v Ceppellini, Alessandro | 6-2,6-4 |
| ITF Switzerland F1 Qual | 2018/02/03 11:30 | Yannik Steinegger v Lanz, Timo | 7-6,6-3 |
| ITF Switzerland F5 | 2017/08/29 08:00 | Yannik Steinegger v Corentin Denolly | 1-6,3-6 |