Stadium: Court 3 Round: 25 Ground: Clay
| ITF M25 Johannesburg | 2021/09/23 07:00 | Igor Marcondes v Kyle Seelig | 6-1,6-7,1-6 |
| ITF M25 Johannesburg | 2021/09/21 10:30 | Igor Marcondes v Mehluli D A Sibanda | 6-1,7-5 |
| ITF M25 Johannesburg | 2021/09/14 08:00 | Igor Marcondes v Kelsey Stevenson | 5-7,6-7 |
| ITF M25 Sintra | 2021/09/08 14:35 | Dan Added v Igor Marcondes | 6-2,6-4 |
| ITF M25 Poznan | 2021/08/27 11:30 | Pawel Juszczak v Igor Marcondes | 6-2,5-7,6-4 |
| ITF M25 Poznan | 2021/08/26 09:00 | Igor Marcondes v Martins Podzus | 6-4,6-1 |
| ITF M15 Lodz | 2021/08/20 08:00 | Igor Marcondes v Wilson Leite | 2-6,1-6 |
| ITF M15 Lodz | 2021/08/19 08:00 | Igor Marcondes v Valerio Aboian | 6-3,6-1 |
| ITF M25 Rio do Sul | 2021/10/18 17:30 | Asdrubal Gobernate v Joao Pedro G. Dos Santos | 5-7,4-6 |
| ITF M25 Rio do Sul | 2021/10/17 12:00 | Joao Pedro G. Dos Santos v Victor Bini | 6-0,6-2 |