Stadium: Court 2 Round: 62
| ITF Portugal F21 | 2018/10/13 10:00 | Henderson, Russell v Sedeno Nieto, Alejandro | 6-2,6-1 |
| ITF Portugal F20 | 2018/10/06 14:00 | Roque, Bernardo v Sedeno Nieto, Alejandro | 7-5,6-4 |
| ITF Portugal F19 | 2018/10/03 14:25 | Butsch, Justin v Sedeno Nieto, Alejandro | 6-0,6-1 |
| ITF Portugal F19 | 2018/10/01 09:00 | Stoliar, Illia v Sedeno Nieto, Alejandro | 6-4,6-7,3-6 |
| ITF Portugal F19 | 2018/09/29 14:00 | Tulliani, Ethan v Sedeno Nieto, Alejandro | 4-6,6-3,3-6 |
| ITF Portugal F17 | 2018/09/15 09:30 | Henderson, Russell v Sedeno Nieto, Alejandro | 6-1,6-1 |
| ITF Spain F26 | 2018/09/02 10:15 | Colas Sanchez, Alberto v Sedeno Nieto, Alejandro | 6-0,6-1 |
| ITF Spain F26 | 2018/09/01 08:00 | Sedeno Nieto, Alejandro v Moya Moreno, Alejandro | 6-1,4-6,6-3 |
| ITF Portugal F21 | 2018/10/13 10:00 | Zitnik, Tilen v Saez-Royuela Ariza, Alvaro | 7-5,7-6 |
| ITF Spain F21 Qual | 2018/07/29 09:30 | Li, Yuanfeng v Saez-Royuela Ariza, Alvaro | 2-6,6-1,6-2 |
| ITF Portugal F12 Qual | 2018/07/23 13:30 | Rosenzweig, Nicolas v Saez-Royuela Ariza, Alvaro | 6-1,6-0 |
| ITF Portugal F12 Qual | 2018/07/22 10:30 | Saez-Royuela Ariza, Alvaro v Nicholas Jovanovski | 7-5,6-1 |
| ITF Portugal F12 Qual | 2018/07/21 09:00 | Saez-Royuela Ariza, Alvaro v Ferreira, Joao (Por) | 6-4,6-0 |
| ITF Spain F19 Qual | 2018/07/14 12:00 | Perret, Loic v Saez-Royuela Ariza, Alvaro | 7-6,6-2 |
| ITF Spain F33 | 2017/10/09 08:00 | Andrey Chepelev v Saez-Royuela Ariza, Alvaro | 6-2,7-5 |
| ITF Spain F33 | 2017/10/08 11:30 | Saez-Royuela Ariza, Alvaro v Vicente Martinez, Carlos | 6-0,6-2 |