Stadium: Center Court Round: 29 Ground: Clay
| Challenger San Marino MD | 2021/08/13 18:10 | King E / Schnur M v Matos R / Magalhaes Hueb de Menezes J L | 5-7,1-6 |
| Challenger San Marino MD | 2021/08/12 20:30 | Luz O / Meligeni Rodrigues Alves F v Matos R / Magalhaes Hueb de Menezes J L | 5-7,3-6 |
| Challenger San Marino MD | 2021/08/11 15:30 | De Rossi/Mazza v Matos R / Magalhaes Hueb de Menezes J L | 3-6,4-6 |
| Challenger Campinas MD | 2020/12/02 16:00 | Matos R / Magalhaes Hueb de Menezes J L v Galdos S / Mena F | 7-6,7-6 |
| Challenger Sao Paulo MD | 2020/11/25 19:45 | Duran G / Quiroz R v Matos R / Magalhaes Hueb de Menezes J L | 6-3,7-5 |
| Challenger Guayaquil MD | 2020/11/20 18:30 | Martinez L / Meligeni Rodrigues Alves F v Matos R / Magalhaes Hueb de Menezes J L | 3-6,6-3,10-5 |
| Challenger Guayaquil MD | 2020/11/19 18:40 | Matos R / Magalhaes Hueb de Menezes J L v Vervoort M / Vilella Martinez M | 6-1,7-5 |
| Challenger Guayaquil MD | 2020/11/18 15:00 | Matos R / Magalhaes Hueb de Menezes J L v Gomez-Herrera/Quiroz | 3-6,6-4,11-9 |
| Challenger San Marino MD | 2021/08/13 14:30 | Kolar/Martinez v Doumbia/Reboul | 7-6,6-4 |
| Challenger San Marino MD | 2021/08/12 16:55 | Barrientos/Martos Gornes v Kolar/Martinez | 7-6,3-6,7-10 |
| Challenger San Marino MD | 2021/08/11 18:05 | Cornea/Vega Hernandez v Kolar/Martinez | 5-7,4-6 |
| Challenger Cordenons MD | 2021/08/06 13:25 | Galdos S / Olivo R v Kolar/Martinez | 6-4,5-7,12-10 |
| Challenger Cordenons MD | 2021/08/05 16:20 | Merino A / Ugo Carabelli C v Kolar/Martinez | 0-6,3-6 |
| Challenger Cordenons MD | 2021/08/04 10:45 | Halys/Simon v Kolar/Martinez | 6-4,1-6,7-10 |