Round: 44 Ground: Hardcourt outdoor
| 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 Portugal F3 | 2018/03/07 10:00 | Dusty H. Boyer v Yanik Kaelin | 6-3,6-4 |
| ITF Portugal F3 | 2018/03/05 13:00 | Hans Albert Schubert v Yanik Kaelin | 2-6,4-6 |
| ITF Portugal F3 | 2018/03/05 10:00 | Laelson Rodrigues v Yanik Kaelin | 3-6,0-6 |
| ITF Portugal F2 Qual | 2018/02/25 15:00 | Yanik Kaelin v Ivan Marrero Curbelo | 3-6,2-6 |
| ITF Portugal F2 Qual | 2018/02/25 10:00 | Gianmarco Amatiste v Yanik Kaelin | 2-6,3-6 |
| ITF Spain F7 | 2018/03/19 09:30 | Jurgen Briand v Louis Chaix | 2-6,7-5,1-6 |
| ITF Spain F6 Qual | 2018/03/12 09:00 | Jurgen Briand v Adrian Exposito | 3-6,3-6 |
| ITF Spain F6 Qual | 2018/03/11 08:00 | Jurgen Briand v Vicente O Moratalla | 6-0,6-1 |
| ITF Turkey F8 | 2018/02/26 06:00 | Kenneth Raisma v Jurgen Briand | 6-4,4-6,6-4 |
| ITF Turkey F7 | 2018/02/18 06:30 | Jurgen Briand v Mike Urbanija | 4-6,6-1,1-6 |
| ITF Spain F4 | 2018/02/05 09:00 | Shalva Dzhanashia v Jurgen Briand | 3-6,3-6 |
| ITF Spain F4 | 2018/02/04 09:00 | Jurgen Briand v Pablo S Muro | 6-4,6-3 |
| ITF Spain F4 | 2018/02/03 14:30 | Jurgen Briand v Alex M Pujolras | 6-2,6-0 |