Stadium: Court 13 Round: 62
| ITF Portugal F15 | 2018/08/12 08:30 | Dias, Francisco v Montes, Dario | 6-2,6-2 |
| ITF Belgium F5 | 2018/07/22 08:00 | Dias, Francisco v Michalis Sakellaridis | 4-6,4-6 |
| ITF Belgium F5 | 2018/07/21 11:00 | Dias, Francisco v Diushembiev, Namazbek | 6-4,6-1 |
| ITF Belgium F4 | 2018/07/14 10:45 | Dias, Francisco v van Nieuwenhove, Jonathan | 5-7,7-5,4-6 |
| ITF Spain F13 | 2018/05/27 08:00 | Dias, Francisco v Pol Martin Tiffon | 4-6,1-6 |
| ITF Spain F13 | 2018/05/26 07:00 | Dias, Francisco v Fernandez, Pol | 6-4,6-4 |
| ITF Spain F12 | 2018/05/19 07:00 | Dias, Francisco v Fillat Gimenez, Oriol | 3-6,3-6 |
| Challenger Lisbon Qual | 2018/05/12 14:00 | Dias, Francisco v Galarza, Juan Ignacio | 4-6,2-6 |
| ITF Portugal F15 | 2018/08/12 08:30 | Alves, Simao v Alexander Donski | 6-1,3-6,6-7 |
| ITF Portugal F14 | 2018/08/09 10:50 | Alexander Donski v Goncalo Falcao | 2-6,0-6 |
| ITF Portugal F14 | 2018/08/08 15:35 | Sora Fukuda v Alexander Donski | 6-7,3-6 |
| ITF Portugal F14 | 2018/08/06 08:30 | Alexander Donski v Morais, Eduardo | 6-1,6-3 |
| ITF Portugal F14 | 2018/08/05 07:00 | Alexander Donski v Salgado, Afonso | 2-6,7-6,6-0 |
| ITF Portugal F11 Qual | 2018/07/03 08:30 | Tsoronis, Socrates Leon v Alexander Donski | 6-3,6-3 |
| ITF Portugal F11 Qual | 2018/07/02 11:00 | Andre, Fernando v Alexander Donski | 2-6,3-6 |
| ITF Portugal F10 | 2018/06/28 16:05 | Alexander Donski v Gil, Fred | 4-6,2-6 |