Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| ITF Spain F19 | 2018/07/20 14:00 | Diego Hidalgo v Raul Brancaccio | 6-1,5-7,2-6 |
| ITF Spain F19 | 2018/07/19 14:00 | Jaume Pla Malfeito v Diego Hidalgo | 6-4,2-6,4-6 |
| ITF Spain F19 | 2018/07/17 14:00 | Diego Hidalgo v Samuel M Arjona | 6-1,6-0 |
| ITF Spain F18 | 2018/07/12 14:15 | Javier Barranco Cosano v Diego Hidalgo | 6-2,6-7,6-2 |
| ITF Spain F18 | 2018/07/10 11:30 | Diego Hidalgo v Billy Harris | 5-7,7-5,6-4 |
| ITF Tunisia F25 | 2018/06/28 08:30 | Johan Nikles v Diego Hidalgo | 6-4,6-4 |
| ITF Tunisia F25 | 2018/06/27 10:20 | Issam Haitham Taweel v Diego Hidalgo | 1-6,0-6 |
| ITF Tunisia F24 | 2018/06/23 08:30 | Diego Hidalgo v Juan Ignacio Galarza | 4-6,4-6 |
| Challenger Winnetka Qual | 2018/07/07 15:00 | Paul Oosterbaan v Logan Smith | 1-6,5-7 |
| ITF Canada F4 | 2018/06/27 18:40 | Adrian Ortiz v Paul Oosterbaan | 7-5,6-3 |
| ITF Canada F3 | 2018/06/24 20:00 | Thai-Son Kwiatkowski v Paul Oosterbaan | 6-4,6-3 |
| ITF Canada F3 | 2018/06/24 16:00 | Juan Carlos Aguilar v Paul Oosterbaan | 5-7,6-3,5-7 |
| ITF Canada F3 | 2018/06/22 17:00 | Paul Oosterbaan v Samuel Monette | 2-6,6-4,6-4 |
| ITF Canada F3 | 2018/06/21 19:45 | Gerardo L Villasenor v Paul Oosterbaan | 6-7,6-7 |
| ITF Canada F3 | 2018/06/19 20:35 | Paul Oosterbaan v Alexander Day | 6-2,6-3 |
| ITF Turkey F22 | 2018/06/06 07:30 | Mert Naci Turker v Paul Oosterbaan | 3-6,6-1,6-4 |