Stadium: Court 2 Round: 25 Ground: Clay
| ITF M15 Cundinamarca | 2021/11/18 19:45 | Joao Victor C Loureiro v Michel Vernier | 2-6,3-6 |
| ITF M15 Cundinamarca | 2021/11/16 15:45 | Joao Victor C Loureiro v Jose Daniel Bendeck | 6-2,6-3 |
| ITF M25 Aparecida De Goiania | 2021/11/10 15:00 | Joao Victor C Loureiro v Leonardo Aboian | 2-6,3-6 |
| 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 Antalya | 2021/11/16 06:25 | Bogdan Ionut Apostol v Oleg Prihodko | 6-4,4-6,7-6 |
| ITF M15 Antalya | 2021/11/11 08:40 | Oleg Prihodko v Bastian Malla | 4-6,1-6 |
| ITF M15 Antalya | 2021/11/03 11:05 | Oleg Prihodko v Marsel Ilhan | 6-3,3-6,3-6 |
| Challenger Sibiu | 2021/09/27 07:00 | Oleg Prihodko v Yan Bondarevskiy | 6-7,4-6 |
| Challenger Sibiu | 2021/09/26 07:30 | Uladzimir Ignatik v Oleg Prihodko | 3-6,3-6 |
| ITF M15 Vyshkovo | 2021/09/24 12:10 | Ivan Nedelko v Oleg Prihodko | 6-1,1-6,6-2 |
| ITF M15 Vyshkovo | 2021/09/23 10:00 | Ilya Snitari v Oleg Prihodko | 7-5,3-6,1-6 |
| ITF M15 Vyshkovo | 2021/09/21 09:35 | Illya Maksymchuk v Oleg Prihodko | 2-6,5-7 |