Stadium: Court 2 Round: 62 Ground: Hardcourt outdoor
| ITF Portugal F21 | 2017/10/02 11:30 | Kopeinigg, Daniel v Kaster, Kaptan | 6-1,6-2 |
| ITF Portugal F20 Qual | 2017/09/24 12:00 | Ivan Marrero Curbelo v Kaster, Kaptan | 6-4,7-5 |
| ITF Portugal F19 | 2017/09/20 11:30 | Kaster, Kaptan v Vivero Gonzalez, Pablo | 2-6,1-6 |
| ITF Portugal F19 | 2017/09/18 10:00 | Mayer, Patrick v Kaster, Kaptan | 6-7,6-1,4-6 |
| ITF Portugal F19 | 2017/09/17 10:00 | Kaster, Kaptan v Brancal, Henrique | 3-6,6-1,6-1 |
| ITF Spain F29 Qual | 2017/09/09 08:00 | Kaster, Kaptan v Lim, Harry | 6-7,3-6 |
| ITF Belgium F12 Qual | 2017/09/03 15:00 | Johnson, Hunter v Kaster, Kaptan | 6-1,6-2 |
| ITF Belgium F11 | 2017/08/26 10:30 | Zayed, Mousa Shanan v Kaster, Kaptan | 6-3,6-4 |
| ITF Spain F31 Qual | 2017/09/23 09:30 | Preka, Roberto v Fernandez, Pol | 4-6,7-6,7-5 |
| ITF Spain F30 Qual | 2017/09/16 13:30 | John Echeverria v Fernandez, Pol | 6-2,6-0 |
| ITF Spain F29 Qual | 2017/09/09 10:30 | Fernandez, Pol v Mancineiras Cornella, Oscar | 6-4,2-6,2-6 |
| ITF Portugal F18 | 2017/08/27 09:30 | Gonzalez, Wilfredo v Fernandez, Pol | 3-6,6-1,6-3 |
| ITF Portugal F18 | 2017/08/26 09:00 | Fernandez, Pol v Fernandez-Ventura, Carlos | 3-6,6-2,6-2 |
| ITF Portugal F17 | 2017/08/20 09:00 | Schneider, Ronnie v Fernandez, Pol | 6-3,6-0 |
| ITF Portugal F16 | 2017/08/13 10:00 | Fernandez, Pol v Tverijonas, Julius | 2-6,1-6 |
| ITF Portugal F16 | 2017/08/12 12:00 | Fernandez, Pol v Guaita-Pais, Enric | 6-3,6-4 |