Round: 62 Ground: Clay
| ITF Spain F27 | 2018/09/09 08:45 | Ivan Marrero Curbelo v Gabriel P Tumasonis | 6-4,6-0 |
| ITF Spain F27 | 2018/09/08 10:30 | Gabriel P Tumasonis v Angel G Melgar | 6-1,6-3 |
| ITF Spain F26 | 2018/09/01 08:00 | Luis Diego Chavez Villalpando v Gabriel P Tumasonis | 6-3,7-6 |
| ITF Portugal F16 | 2018/08/19 08:30 | Gabriel P Tumasonis v Goncalo Falcao | 5-7,3-6 |
| ITF Portugal F16 | 2018/08/18 08:30 | Dario Montes v Gabriel P Tumasonis | 4-6,5-7 |
| ITF Portugal F15 | 2018/08/11 08:30 | Gabriel P Tumasonis v Miguel Semedo | 5-7,1-6 |
| ITF Argentina F3 | 2018/05/26 12:00 | Gabriel P Tumasonis v Bruno Caula | 1-6,3-6 |
| ITF Argentina F2 | 2018/05/21 13:00 | Gabriel P Tumasonis v Juan M G Paiva | 1-6,6-7 |
| ITF Spain F27 | 2018/09/09 08:45 | Benjamin Pietri v Carlos Fernandez-Espinar | 6-3,6-2 |
| ITF Spain F27 | 2018/09/08 08:00 | Carlos Fernandez-Espinar v Jose Juarez Caro | 6-2,2-6,7-5 |
| ITF Spain F26 | 2018/09/01 11:45 | Rafael Mazon-Hernandez v Carlos Fernandez-Espinar | 7-5,6-3 |
| ITF Spain F25 | 2018/08/25 08:30 | Carlos Fernandez-Espinar v Louis Dussin | 0-6,0-6 |
| ITF Spain F16 | 2018/06/25 18:25 | Carlos Fernandez-Espinar v Lucas Miedler | 1-6,0-6 |
| ITF Spain F15 Qual | 2018/06/11 08:00 | Joel Cannell v Carlos Fernandez-Espinar | 6-4,6-1 |
| ITF Spain F15 Qual | 2018/06/10 10:00 | Luis Heredia Gomez v Carlos Fernandez-Espinar | 5-7,7-6,1-6 |
| ITF Spain F10 Qual | 2018/04/21 15:30 | Carlos Fernandez-Espinar v Federico Moreno | 6-7,2-6 |