Stadium: Court 3 Round: 26 Ground: Clay
| ITF Belgium F7 Qual | 2018/08/06 11:00 | Nicholas Horton v Guido Ivan Justo | 6-1,6-1 |
| ITF Belgium F7 Qual | 2018/08/05 13:00 | Liam Dielen v Guido Ivan Justo | 3-6,0-6 |
| ITF Latvia F1 | 2018/08/01 09:50 | Guido Ivan Justo v Pierre Faivre | 6-1,6-4 |
| ITF Latvia F1 | 2018/07/31 09:15 | Ignasi De Rueda De Genover v Guido Ivan Justo | 4-6,6-4,0-6 |
| ITF Latvia F1 | 2018/07/29 07:00 | Guido Ivan Justo v Artur Kulibaba | 6-2,6-3 |
| ITF Latvia F1 | 2018/07/28 07:00 | Guido Ivan Justo v Athanasios Bilis | 6-1,6-0 |
| ITF Lithuania F1 | 2018/07/21 13:00 | Gabriele Maria Noce v Guido Ivan Justo | 6-4,6-2 |
| ITF Estonia F1 | 2018/07/17 08:50 | Guido Ivan Justo v Eduardo Dischinger | 6-1,6-7,1-6 |
| ITF Spain F24 | 2018/08/23 15:20 | Diego Hidalgo v Miguel Semmler | 3-6,6-1,3-6 |
| ITF Spain F24 | 2018/08/22 10:10 | Diego Hidalgo v Quim Sorni Chavarria | 6-2,6-4 |
| ITF Spain F24 | 2018/08/20 13:40 | Martin Cuevas v Diego Hidalgo | 3-6,4-6 |
| ITF Spain F22 | 2018/08/10 17:55 | Diego Hidalgo v David Perez Sanz | 5-7,4-6 |
| ITF Spain F22 | 2018/08/08 17:00 | Diego Hidalgo v Marco Brugnerotto | 6-1,6-3 |
| ITF Spain F22 | 2018/08/07 18:20 | Diego Hidalgo v Luis Diego Chavez Villalpando | 6-2,6-4 |
| Challenger Segovia Qual | 2018/07/28 11:00 | Diego Hidalgo v Nicolas Alvarez Varona | 3-6,4-6 |
| ITF Spain F20 | 2018/07/24 08:00 | Pol Toledo Bague v Diego Hidalgo | 6-1,6-1 |