Stadium: Court 7 Round: 25 Ground: Hardcourt outdoor
| ITF - M15 Monastir | 2019/01/31 09:35 | Jacopo Berrettini v Hidalgo, Diego | 6-4,7-6 |
| ITF - M15 Monastir | 2019/01/29 08:30 | Hidalgo, Diego v Mubarak Shannan Zayid | 7-5,6-3 |
| ITF USA F35 | 2018/12/04 17:00 | Hidalgo, Diego v Maxime Cressy | 1-6,4-6 |
| USA F33, Singles | 2018/11/20 17:40 | Hidalgo, Diego v C. Oosterbaan, Paul | 6-7,7-5,3-6 |
| ITF USA F31 | 2018/11/15 18:05 | Matej Vocel v Hidalgo, Diego | 6-3,6-2 |
| ITF USA F31 | 2018/11/13 19:55 | Craig, Henry v Hidalgo, Diego | 6-3,2-6,5-7 |
| Challenger Guayaquil | 2018/10/29 23:15 | Cuevas, Pablo v Hidalgo, Diego | 6-3,6-0 |
| ITF Peru F3 | 2018/10/12 19:55 | Hidalgo, Diego v Santos, Nicolas | 6-3,6-3 |
| ITF Qatar F6 | 2018/12/18 08:20 | Alexandar Lazarov v Guy Den Heijer | 7-6,7-6 |
| ITF Qatar F6 | 2018/12/17 10:00 | Guy Den Heijer v Pisane, Tom | 6-3,6-4 |
| ITF Qatar F6 | 2018/12/16 15:10 | Guy Den Heijer v Khachatryan, Yuri | 7-5,6-0 |
| Qatar F5, Simples | 2018/12/11 17:40 | Guy Den Heijer v Wang, Tak Khunn | 3-6,3-6 |
| Qatar F5, Simples | 2018/12/10 14:00 | Lucas Gerch v Guy Den Heijer | 6-2,3-6,4-6 |
| ITF Qatar F4 | 2018/12/04 16:55 | Zizou Bergs v Guy Den Heijer | 6-4,6-0 |
| ITF Qatar F4 | 2018/12/03 12:00 | Guy Den Heijer v Alexander Donski | 4-6,7-5,6-1 |
| ITF Qatar F4 | 2018/12/02 15:05 | Guy Den Heijer v Kaelin, Yanik | 6-2,6-3 |