Stadium: Centre Court Round: 25 Ground: Clay
| ITF M25 Angers | 2021/04/19 10:35 | Alexander Weis v Simon Reveniau | 6-3,6-3 |
| ITF M25 Reus | 2021/04/12 07:30 | Alexander Weis v Sean Cuenin | 2-6,6-4,10-3 |
| ITF M25 Reus | 2021/04/11 10:00 | Alexander Weis v Samuel M Arjona | 7-6,5-7,10-4 |
| ITF M15 Antalya | 2021/03/31 07:00 | Alexander Weis v Daniel Michalski | 4-6,0-6 |
| ITF M15 Antalya | 2021/03/24 08:30 | Alexander Weis v Dragos Nicolae Madaras | 4-6,6-2,3-6 |
| ITF M15 Antalya | 2021/03/17 09:35 | Matheus Pucinelli De Almeida v Alexander Weis | 6-1,6-1 |
| ITF M15 Antalya | 2021/03/11 06:50 | Miljan Zekic v Alexander Weis | 7-6,6-3 |
| ITF M15 Antalya | 2021/03/10 08:40 | Alexander Weis v Marsel Ilhan | 4-6,6-3,6-1 |
| ITF M25 Angers | 2021/04/19 12:25 | Maxime Mora v Vincent Stouff | 6-7,2-6 |
| ITF M25 Angers | 2021/04/18 13:00 | Adrien Gobat v Vincent Stouff | 4-6,6-3,3-10 |
| ITF M15 Poitiers | 2021/03/17 09:00 | Vincent Stouff v Alafia Ayeni | 4-6,4-6 |
| ITF M15 Poitiers | 2021/03/15 11:10 | Alafia Ayeni v Vincent Stouff | 3-6,6-4,10-5 |
| ITF M15 Poitiers | 2021/03/14 11:45 | Constantin Bittoun Kouzmine v Vincent Stouff | 6-3,6-7,7-10 |
| ITF M25 Faro | 2021/03/03 14:30 | Mischa Zverev v Vincent Stouff | 6-2,2-6,6-1 |
| ITF M25 Faro | 2021/03/02 14:00 | Jordi Mas De Ugarte v Vincent Stouff | 6-7,2-6 |
| ITF M25 Faro | 2021/03/01 13:00 | Alexis Boureau v Vincent Stouff | 6-1,1-6,6-10 |