Stadium: Court 15 Round: 25 Ground: Clay
| ITF M15 Brasilia | 2021/11/03 15:10 | Joao Victor C Loureiro v Dali Blanch | 6-4,6-7,2-6 |
| ITF M25 Rio do Sul | 2021/10/20 16:00 | Joao Victor C Loureiro v Daniel Dutra Da Silva | 1-6,0-6 |
| ITF M15 Cancun | 2021/10/04 16:30 | Joao Victor C Loureiro v Emil Reinberg | 7-6,4-6,6-10 |
| ITF M15 Cancun | 2021/09/29 17:55 | Joshua Sheehy v Joao Victor C Loureiro | 7-6,4-6,6-4 |
| ITF M15 Cancun | 2021/09/22 21:00 | Miles Jones v Joao Victor C Loureiro | 6-3,6-0 |
| ITF M15 Kouvola | 2021/05/27 12:25 | Joao Victor C Loureiro v Zsombor Velcz | 2-6,6-4,2-6 |
| ITF M15 Kouvola | 2021/05/26 13:30 | Jonas Maier v Joao Victor C Loureiro | 4-6,3-6 |
| ITF M15 Heraklion | 2021/05/20 12:10 | Alexandros Skorilas v Joao Victor C Loureiro | 6-0,7-5 |
| ITF M15 Brasilia | 2021/11/03 12:00 | Luis Britto v Leonardo Aboian | 3-6,7-6,6-4 |
| Challenger Buenos Aires | 2021/10/17 18:05 | Martin Cuevas v Leonardo Aboian | 6-1,6-1 |
| ITF M15 Cairo | 2021/09/30 10:10 | Leonardo Aboian v Hady Habib | 5-7,4-6 |
| ITF M15 Cairo | 2021/09/29 07:30 | Kokoro Isomura v Leonardo Aboian | 2-6,3-6 |
| ITF M15 Cairo | 2021/09/28 08:00 | Leonardo Aboian v Maik Steiner | 7-6,7-5 |
| ITF M15 Cairo | 2021/09/27 08:00 | Leonardo Aboian v Ian O'Jon | 6-0,6-3 |
| ITF M15 Cairo | 2021/09/22 13:45 | Benito Sanchez Martinez v Leonardo Aboian | 6-3,1-6,6-3 |
| ITF M15 Cairo | 2021/09/19 08:00 | Leonardo Aboian v Simone Roncalli | 6-2,6-2 |