Stadium: Court 1 Round: 44 Ground: Hardcourt outdoor
| ITF Portugal F1 | 2018/02/18 13:00 | Yanik Kaelin v Patrik Hartmeier | 7-6,6-3 |
| ITF Switzerland F5 | 2018/09/04 09:30 | Patrik Hartmeier v Marvin Netuschil | 1-6,0-6 |
| ITF Switzerland F4 | 2018/08/28 12:15 | Yannik Steinegger v Patrik Hartmeier | 6-4,7-6 |
| 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 Switzerland F5 | 2018/09/02 11:30 | Mirko Martinez v Yanik Kaelin | 6-2,6-1 |
| ITF Switzerland F5 | 2018/09/01 08:00 | Yanik Kaelin v Jesse Paul Krattiger | 3-6,6-0,6-4 |
| ITF Czech Republic F4 Qual | 2018/06/23 08:00 | Dominik Langmajer v Yanik Kaelin | 0-6,5-7 |
| ITF Czech Republic F4 Qual | 2018/06/23 08:00 | Marek Gengel v Yanik Kaelin | 3-6,6-2,6-4 |
| ITF Germany F4 | 2018/06/18 10:00 | Yanik Kaelin v Patrick Zahraj | 3-6,3-6 |
| ITF Germany F4 | 2018/06/16 10:30 | Marco Neubau v Yanik Kaelin | 1-6,2-6 |
| ITF Portugal F6 Qual | 2018/03/25 09:00 | Yanik Kaelin v Jurgen Briand | 1-6,6-7 |
| ITF Portugal F6 Qual | 2018/03/24 13:00 | Joao Antonio v Yanik Kaelin | 1-6,3-6 |