Stadium: Court 4 Round: 44 Ground: Clay
| 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 |
| ITF Portugal F5 Qual | 2018/03/18 12:30 | Yanik Kaelin v Daniel Rodrigues | 4-6,2-6 |
| ITF Portugal F5 Qual | 2018/03/18 11:30 | Joao Velloso v Yanik Kaelin | 0-6,1-6 |
| ITF Switzerland F4 | 2018/08/26 11:00 | Pietro Pellanda v Jesse Paul Krattiger | 6-0,6-4 |
| ITF Netherlands F5 | 2018/08/18 07:00 | Jesse Paul Krattiger v Oscar Moraing | 2-6,1-6 |
| ITF Netherlands F4 | 2018/08/11 09:00 | Jesse Paul Krattiger v Zachary Eisinga | 4-6,3-6 |
| ITF Turkey F21 Qual | 2018/05/27 09:00 | Daniil Klimov v Jesse Paul Krattiger | 3-6,6-1,6-0 |
| ITF Turkey F20 Qual | 2018/05/19 07:30 | Hermanni Tiainen v Jesse Paul Krattiger | 6-4,6-4 |
| ITF Egypt F16 | 2018/04/28 12:00 | Jesse Paul Krattiger v Zakhar Trapeznikov | 3-6,5-7 |
| ITF Egypt F15 | 2018/04/21 08:00 | Jesse Paul Krattiger v Mousa Alkotop | 1-6,2-6 |
| ITF Portugal F3 | 2018/03/03 12:30 | Jesse Paul Krattiger v Patrik Hartmeier | 1-6,2-6 |