Stadium: T.C.MO C5 Round: 62
| ITF Tunisia F43 | 2018/12/01 10:30 | Portales, Nino v Chien, Christopher | 6-0,6-0 |
| ITF Tunisia F42 | 2018/11/24 08:00 | Portales, Nino v Dominik Palan | 1-6,3-6 |
| ITF Tunisia F30 | 2018/09/04 15:25 | Garcia, Mathieu v Portales, Nino | 1-6,4-6 |
| ITF Serbia F3 | 2018/08/18 07:00 | Portales, Nino v Markovic, Luka | 4-6,3-6 |
| ITF Serbia F2 | 2018/08/15 10:00 | Portales, Nino v Ergi Kirkin | 3-6,2-6 |
| ITF Latvia F1 | 2018/08/01 11:50 | Slobodchikov, Ronald v Portales, Nino | 6-2,6-0 |
| ITF Latvia F1 | 2018/07/30 07:10 | Portales, Nino v Terczynski, Mateusz | 6-3,0-6,6-4 |
| ITF Latvia F1 | 2018/07/29 07:00 | Portales, Nino v Procopio, Alessandro | 7-5,6-2 |
| ITF Tunisia F42 | 2018/11/25 10:00 | Crepaldi, Erik v Borg, Maikel | 6-4,6-1 |
| ITF Tunisia F42 | 2018/11/24 08:00 | Borg, Maikel v Cacciapuoti, Simone | 6-3,6-4 |
| ITF Germany F15 | 2018/10/10 09:00 | Borg, Maikel v Altug Celikbilek | 3-6,3-6 |
| ITF Germany F15 | 2018/10/08 08:00 | Borg, Maikel v Wetoszka, Krzysztof | 6-3,6-3 |
| ITF Germany F15 | 2018/10/07 09:00 | Borg, Maikel v Lewie Lane | 4-6,6-3,6-3 |
| ITF Kazakhstan F7 | 2018/09/16 09:55 | Mugevicius, Lukas v Borg, Maikel | 6-1,7-5 |
| Kazakhstan F6, Singles | 2018/09/11 07:40 | Borg, Maikel v Sabanin, Yan | 6-7,4-6 |
| Kazakhstan F6, Singles | 2018/09/09 05:00 | Borg, Maikel v Murat, Yerassyl | 7-5,6-1 |