Stadium: Court 9 Round: 62 Ground: Clay
| ITF M15 Majadahonda | 2021/05/02 13:15 | Juan Bautista Otegui v Diego F Flores | 6-3,6-4 |
| ITF M15 LPD Gran Canaria | 2021/04/28 11:25 | Alexander Weis v Diego F Flores | 0-6,6-2,6-3 |
| ITF M25 Reus | 2021/04/11 07:00 | Xavi Matas Ortega v Diego F Flores | 6-7,6-2,10-6 |
| ITF M15 Monastir | 2021/03/21 18:00 | Olivier Rojas v Diego F Flores | 6-4,6-2 |
| ITF M15 Monastir | 2021/03/15 12:30 | Igor Marcondes v Diego F Flores | 6-3,6-1 |
| ITF M15 Monastir | 2021/03/15 08:00 | Julien De Cuyper v Diego F Flores | 2-6,0-6 |
| ITF M15 Sharm El Sheikh | 2021/03/02 11:55 | Edoardo Eremin v Diego F Flores | 6-4,6-7,10-1 |
| ITF M15 Sharm El Sheikh | 2021/03/01 07:30 | Jack Gibbens v Diego F Flores | 4-6,2-6 |
| ITF M15 Majadahonda | 2021/05/02 14:45 | Pedro Vives Marcos v Juan Ignacio Alcalde | 6-3,7-5 |
| ITF M15 Cairo | 2021/04/21 12:05 | Shintaro Mochizuki v Juan Ignacio Alcalde | 6-3,7-5 |
| ITF M15 Cairo | 2021/04/20 09:45 | Fares Zakaria v Juan Ignacio Alcalde | 7-6,2-6,5-10 |
| ITF M15 Cairo | 2021/04/18 08:30 | Maikel De Boes v Juan Ignacio Alcalde | 5-7,3-6 |
| ITF M15 Cairo | 2021/04/11 11:00 | Olexiy Kolisnyk v Juan Ignacio Alcalde | 6-3,6-3 |
| ITF M15 Antalya | 2021/03/21 07:00 | Juan Ignacio Alcalde v Umut Akkoyun | 2-6,6-7 |
| ITF M15 Antalya | 2021/03/15 08:30 | Guy Den Heijer v Juan Ignacio Alcalde | 6-1,6-1 |
| ITF M15 La Nucia | 2021/03/08 12:00 | Juan Ignacio Alcalde v Juan P Canas Garcia | 3-6,4-6 |