Stadium: Court 5 Round: 25 Ground: Clay
| ITF - Angers M25 | 2021/04/20 10:35 | Alexander Weis v Vincent Stouff | 7-6,3-6,3-6 |
| ITF - Angers M25 | 2021/04/19 10:35 | Alexander Weis v Simon Reveniau | 6-3,6-3 |
| ITF - Reus M25 | 2021/04/12 07:30 | Alexander Weis v Sean Cuenin | 2-6,6-4,10-3 |
| ITF - Reus M25 | 2021/04/11 10:00 | Alexander Weis v Samuel M Arjona | 7-6,5-7,10-4 |
| ITF - Antalya M15 | 2021/03/31 07:00 | Alexander Weis v Daniel Michalski | 4-6,0-6 |
| ITF - Antalya M15 | 2021/03/24 08:30 | Alexander Weis v Dragos Nicolae Madaras | 4-6,6-2,3-6 |
| ITF - Antalya M15 | 2021/03/17 09:35 | Matheus P De Almeida v Alexander Weis | 6-1,6-1 |
| ITF - Antalya M15 | 2021/03/11 06:50 | Miljan Zekic v Alexander Weis | 7-6,6-3 |
| ITF - Reus M25 | 2021/04/11 07:00 | Xavi Matas Ortega v Diego F Flores | 6-7,6-2,10-6 |
| ITF - Monastir M15 | 2021/03/21 18:00 | Olivier Rojas v Diego F Flores | 6-4,6-2 |
| ITF - Monastir M15 | 2021/03/15 12:30 | Igor Marcondes v Diego F Flores | 6-3,6-1 |
| ITF - Monastir M15 | 2021/03/15 08:00 | Julien De Cuyper v Diego F Flores | 2-6,0-6 |
| ITF - Sharm El Sheikh M15 | 2021/03/02 11:55 | Edoardo Eremin v Diego F Flores | 6-4,6-7,10-1 |
| ITF - Sharm El Sheikh M15 | 2021/03/01 07:30 | Jack Gibbens v Diego F Flores | 4-6,2-6 |
| ITF - Sharm El Sheikh M15 | 2021/02/28 09:30 | Pavle Daljev v Diego F Flores | 6-2,5-7,5-10 |
| ITF - Sharm El Sheikh M15 | 2021/02/21 11:00 | Lorenzo Claverie v Diego F Flores | 6-3,6-2 |