Stadium: Center Court Round: 14 Ground: Hardcourt outdoor
| ITF M25 Pozoblanco | 2019/08/06 16:00 | John Echeverria v Carlos Matarredona Valor | 6-2,6-4 |
| ITF Spain F5 | 2018/02/10 13:30 | Aaron Cortes Alcaraz v Carlos Matarredona Valor | 6-1,6-1 |
| ITF Spain F33 | 2017/10/07 07:00 | Carlos Matarredona Valor v Alejandro M Dura | 6-4,2-6,3-6 |
| ITF Spain F21 Qual | 2017/07/08 08:00 | Carlos Matarredona Valor v Guillermo T Ramirez | 3-6,7-6,3-6 |
| ITF Spain F17 | 2017/06/10 14:00 | Carlos Matarredona Valor v Jose Antonio Dugo Reyes | 3-6,2-6 |
| Challenger Amersfoort | 2021/07/12 10:40 | Michael Geerts v Diego Hidalgo | 7-6,6-3 |
| Challenger Amersfoort | 2021/07/11 14:00 | Guy Den Ouden v Diego Hidalgo | 3-6,6-7 |
| Challenger Braunschweig | 2021/07/05 09:30 | Diego Hidalgo v Dayne Kelly | 3-6,7-6,3-6 |
| Challenger Braunschweig | 2021/07/04 10:10 | Igor Sijsling v Diego Hidalgo | 3-6,6-3,4-6 |
| ITF M25 Tulsa | 2021/06/17 14:00 | Nicolas Kicker v Diego Hidalgo | 6-4,7-5 |
| ITF M25 Tulsa | 2021/06/16 17:10 | Strong Kirchheimer v Diego Hidalgo | 7-6,2-6,3-6 |
| ITF M25 Santo Domingo | 2021/06/10 12:50 | Evan Zhu v Diego Hidalgo | 6-2,6-3 |
| ITF M25 Santo Domingo | 2021/06/09 13:00 | Adam El Mihdawy v Diego Hidalgo | 4-6,6-7 |