Stadium: Court 9 Round: 26 Ground: Clay
| ITF M25 Lima | 2021/10/06 18:00 | Alberto Odiseo Alvarado Berrospi v Vernier, Michel | 4-6,2-6 |
| Challenger Murcia | 2021/09/26 12:30 | Nicolas Alvarez Varona v Vernier, Michel | 6-2,7-5 |
| ITF M15 Melilla | 2021/09/25 09:05 | Vernier, Michel v Alejandro Manzanera Pertusa | 2-6,7-5,4-6 |
| ITF M15 Melilla | 2021/09/24 11:25 | Vernier, Michel v Yunis, Facundo | 4-6,7-6,6-1 |
| ITF M25 Madrid | 2021/09/15 11:35 | Luca Nardi v Vernier, Michel | 6-3,7-5 |
| ITF M25 Madrid | 2021/09/14 06:55 | Vernier, Michel v Oscar Galimardanov | 6-4,6-4 |
| ITF M25 Madrid | 2021/09/13 10:00 | Vernier, Michel v Kirill Mishkin | 6-3,6-1 |
| Challenger Seville | 2021/09/05 09:00 | Emilio Nava v Vernier, Michel | 6-3,6-3 |
| ITF M25 Lima | 2021/10/05 15:00 | Ignacio Buse v Joao Lucas Reis da Silva | 1-6,5-7 |
| ITF M15 Recife | 2021/09/22 19:30 | Joao Lucas Reis da Silva v Eduardo Ribeiro | 1-6,7-5,4-6 |
| ITF M25 Medellin | 2021/09/19 15:00 | Soares Klier, Gilbert v Joao Lucas Reis da Silva | 6-2,6-2 |
| ITF M25 Medellin | 2021/09/18 15:00 | Lopez Villasenor, Gerardo v Joao Lucas Reis da Silva | 2-6,6-7 |
| ITF M25 Medellin | 2021/09/17 14:50 | Juan Sebastian Gomez v Joao Lucas Reis da Silva | 1-6,4-6 |
| ITF M25 Medellin | 2021/09/16 16:25 | Daniel Antonio Nunez v Joao Lucas Reis da Silva | 5-7,4-6 |
| ITF M25 Medellin | 2021/09/14 19:40 | Johan A Rodriguez Rodriguez v Joao Lucas Reis da Silva | 3-6,1-6 |
| ITF M15 Ibague | 2021/09/07 15:40 | Joao Lucas Reis da Silva v Baker, Blu | 6-4,3-6,3-6 |