Stadium: Court 6 Round: 54 Ground: Hardcourt outdoor
| Challenger San Luis Potosi Qual | 2018/03/25 20:25 | Cristian Rodriguez v Boris Arias | 4-6,6-1,6-2 |
| ITF USA F8 Qual | 2018/03/18 16:00 | Or Ram-Harel v Boris Arias | 6-1,6-2 |
| ITF USA F7 Qual | 2018/03/12 18:45 | Ricardo Rodriguez-Pace v Boris Arias | 6-3,7-5 |
| ITF USA F7 Qual | 2018/03/11 18:00 | Christian Samuelsson v Boris Arias | 1-6,6-3,3-6 |
| ITF USA F7 Qual | 2018/03/10 17:00 | Wally Thayne v Boris Arias | 2-6,1-6 |
| Challenger Morelos Qual | 2018/02/17 21:00 | Emilio Gomez v Boris Arias | 6-2,6-4 |
| Challenger Morelos Qual | 2018/02/17 16:40 | Ivar Jose Aramburu Contreras v Boris Arias | 2-6,3-6 |
| ITF Peru F2 | 2017/12/19 16:00 | Felipe Garla v Boris Arias | 7-6,7-5 |
| ITF Portugal F3 | 2018/03/08 12:00 | Johan Nikles v Luis G Monio | 2-6,6-0,6-2 |
| ITF Portugal F3 | 2018/03/07 10:00 | Fabien Salle v Luis G Monio | 6-7,6-3,4-6 |
| ITF Portugal F3 | 2018/03/06 15:00 | Luis G Monio v Loic Perret | 6-3,6-1 |
| ITF Portugal F1 | 2018/02/21 12:25 | Corentin Denolly v Luis G Monio | 4-6,6-2,4-6 |
| ITF Portugal F1 | 2018/02/19 17:00 | Simon A Ivanov v Luis G Monio | 2-6,6-1,3-6 |
| ITF Portugal F1 | 2018/02/19 10:00 | Luis G Monio v Rafael Mazon-Hernandez | 4-6,7-5,7-5 |
| ITF Portugal F1 | 2018/02/18 13:00 | Gianmarco Amatiste v Luis G Monio | 3-6,7-5,2-6 |
| ITF Spain F32 | 2017/10/01 09:00 | Aitor S Llopis v Luis G Monio | 6-2,6-3 |