Stadium: Court 7 Round: 44 Ground: Hardcourt outdoor
| Portugal F4, Singles Qualifying | 2018/03/10 12:30 | Velloso, Joao Gabriel v Chavez Villalpando, Luis Diego | 1-6,2-6 |
| Challenger Rio De Janeiro Qual | 2017/11/18 13:00 | Velloso, Joao Gabriel v Camilo Ugo Carabelli | 0-6,0-6 |
| ITF Portugal F3 | 2018/03/07 10:00 | Boyer, Dusty H v Kaelin, Yanik | 6-3,6-4 |
| ITF Portugal F3 | 2018/03/05 13:00 | Hans Albert Schubert v Kaelin, Yanik | 2-6,4-6 |
| ITF Portugal F3 | 2018/03/05 10:00 | Laelson Rodrigues v Kaelin, Yanik | 3-6,0-6 |
| ITF Portugal F2 Qual | 2018/02/25 15:00 | Kaelin, Yanik v Ivan Marrero Curbelo | 3-6,2-6 |
| ITF Portugal F2 Qual | 2018/02/25 10:00 | Amatiste, Gianmarco v Kaelin, Yanik | 2-6,3-6 |
| ITF Portugal F1 | 2018/02/19 10:00 | Ivanov, Simon Anthony v Kaelin, Yanik | 6-3,6-3 |
| ITF Portugal F1 | 2018/02/18 13:00 | Kaelin, Yanik v Hartmeier, Patrik | 7-6,6-3 |
| ITF Portugal F1 | 2018/02/17 12:30 | Diego A B Sanchez v Kaelin, Yanik | 1-6,1-6 |