Stadium: Quadra 3 Round: 14 Ground: Hardcourt outdoor
| Challenger Lima | 2021/10/24 16:00 | Luca Castelnuovo v Alexandar Lazarov | 4-6,5-7 |
| Challenger Bogota | 2021/10/19 16:40 | Facundo Mena v Luca Castelnuovo | 6-4,6-2 |
| Challenger Bogota | 2021/10/18 17:35 | Evan King v Luca Castelnuovo | 6-7,7-5,6-7 |
| Challenger Bogota | 2021/10/17 18:10 | Luca Castelnuovo v Juan A H Serrano | 6-4,6-2 |
| ITF M25 Lima | 2021/10/12 15:00 | Gonzalo Villanueva v Luca Castelnuovo | 4-6,6-4,6-4 |
| ITF M25 Lima | 2021/10/05 15:00 | Luca Castelnuovo v Boris Arias | 4-6,6-4,3-6 |
| Challenger Lima | 2021/09/26 20:50 | Carlos Gomez-Herrera v Luca Castelnuovo | 7-5,6-0 |
| Challenger Ambato | 2021/09/20 15:00 | Luca Castelnuovo v Matias Zukas | 3-6,6-7 |
| ITF M25 Rio do Sul | 2021/10/21 16:30 | Igor Marcondes v Gustavo Heide | 6-7,1-6 |
| ITF M25 Rio do Sul | 2021/10/19 14:30 | Igor Marcondes v Joao Pedro G. Dos Santos | 6-4,6-0 |
| 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 |