Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| ITF USA F31 | 2018/11/15 18:05 | Matej Vocel v Diego Hidalgo | 6-3,6-2 |
| ITF USA F31 | 2018/11/13 19:55 | Henry Craig v Diego Hidalgo | 6-3,2-6,5-7 |
| Challenger Guayaquil | 2018/10/29 23:15 | Pablo Cuevas v Diego Hidalgo | 6-3,6-0 |
| ITF Peru F3 | 2018/10/12 19:55 | Diego Hidalgo v Nicolas Santos | 6-3,6-3 |
| ITF Peru F3 | 2018/10/11 15:00 | Manuel Pena Lopez v Diego Hidalgo | 6-7,6-4,4-6 |
| ITF Peru F3 | 2018/10/09 16:25 | Joao Ferreira v Diego Hidalgo | 0-6,2-6 |
| ITF Peru F2 | 2018/10/06 16:00 | Bastian Malla v Diego Hidalgo | 7-5,2-6,6-3 |
| ITF Peru F2 | 2018/10/05 15:30 | Mariano Kestelboim v Diego Hidalgo | 4-6,3-6 |
| ITF USA F31 | 2018/11/14 15:00 | Ferran Calvo Eman v Paul Oosterbaan | 6-1,5-7,6-3 |
| ITF Vietnam F5 | 2018/10/30 03:00 | Roman Safiullin v Paul Oosterbaan | 6-3,7-5 |
| ITF Vietnam F4 | 2018/10/26 02:30 | Nam Hoang Ly v Paul Oosterbaan | 6-1,6-4 |
| ITF Vietnam F4 | 2018/10/25 04:25 | Paul Oosterbaan v Jayesh Pungliya | 6-4,6-0 |
| ITF USA F26 | 2018/09/28 18:50 | Paul Oosterbaan v Strong Kirchheimer | 2-6,3-6 |
| ITF USA F26 | 2018/09/27 18:45 | Paul Oosterbaan v Trent Bryde | 6-3,6-2 |
| ITF USA F26 | 2018/09/25 19:40 | Paul Oosterbaan v Aleksandre Bakshi | 7-5,6-1 |
| ITF USA F25 | 2018/09/20 17:00 | Alan Kohen v Paul Oosterbaan | 2-6,6-1,6-2 |