Stadium: Court 4 Round: 25 Ground: Clay
| ITF M25 Oviedo | 2021/09/01 12:40 | Oscar Jose Gutierrez v Diego A B Sanchez | 6-3,7-5 |
| ITF M25 Oviedo | 2021/08/31 06:55 | Miguel Fernando Pereira v Diego A B Sanchez | 1-6,7-6,3-6 |
| ITF M25 Oviedo | 2021/08/30 07:50 | Diego A B Sanchez v Mikel Martinez | 6-3,6-1 |
| ITF M25 Oviedo | 2021/08/29 08:00 | Diego A B Sanchez v Ignacio B Alia | 6-0,6-1 |
| ITF M25 Denia | 2021/07/28 09:55 | Nick Hardt v Diego A B Sanchez | 6-4,6-1 |
| ITF M15 Monastir | 2021/06/20 10:30 | Kody Pearson v Diego A B Sanchez | 6-7,6-1,11-9 |
| ITF M15 Monastir | 2021/06/13 14:00 | Giles Hussey v Diego A B Sanchez | 3-6,6-4,10-8 |
| ITF M25 Vic | 2021/05/17 09:00 | Diego A B Sanchez v Imanol L Morillo | 4-6,4-6 |
| ITF M15 Cairo | 2021/09/09 10:40 | Stefano Battaglino v Jakub Wojcik | 3-6,6-7 |
| ITF M15 Cairo | 2021/09/08 08:00 | Stefano Battaglino v Manfred Fellin | 6-1,6-3 |
| ITF M15 Bad Waltersdorf | 2021/09/02 09:15 | Stefano Battaglino v David Pichler | 1-6,3-6 |
| ITF M15 Bad Waltersdorf | 2021/08/31 10:20 | Stefano Battaglino v Marco Miceli | 6-2,6-2 |
| ITF M15 Bad Waltersdorf | 2021/08/24 06:55 | Daniele Capecchi v Stefano Battaglino | 7-6,6-2 |
| ITF M15 Pescara | 2021/08/19 09:30 | Stefano Battaglino v Emiliano Maggioli | 6-4,6-7,2-6 |
| ITF M15 Pescara | 2021/08/18 09:00 | Stefano Battaglino v Alessandro Ragazzi | 7-6,6-4 |
| ITF M15 Cairo | 2021/08/07 09:50 | Quentin Folliot v Stefano Battaglino | 6-7,6-3,6-0 |