Stadium: Cancha 1 Round: 25 Ground: Clay
| Challenger Campinas | 2021/11/14 16:00 | Facundo Diaz Acosta v Joao Lucas Reis da Silva | 4-6,6-7 |
| Challenger Concepcion | 2023/01/23 14:00 | Alexander Merino v Joao Lucas Reis da Silva | 0-6,3-6 |
| Challenger Concepcion | 2023/01/22 13:00 | Jakub Paul v Joao Lucas Reis da Silva | 4-6,6-3,1-6 |
| Challenger Piracicaba | 2023/01/16 19:50 | Joao Lucas Reis da Silva v Evan Zhu | 6-4,4-6,3-6 |
| Challenger Tigre | 2023/01/11 17:40 | Joao Lucas Reis da Silva v Terence Atmane | 3-6,2-6 |
| Challenger Tigre | 2023/01/09 18:10 | Oriol Roca Batalla v Joao Lucas Reis da Silva | 2-6,5-7 |
| Challenger Temuco | 2022/11/24 17:45 | Joao Lucas Reis da Silva v Nicolas Kicker | 6-3,4-6,3-6 |
| Challenger Temuco | 2022/11/22 13:00 | Joao Lucas Reis da Silva v Juan Ignacio Galarza | 6-4,5-7,6-3 |
| Challenger Sao Leopoldo | 2022/11/18 13:30 | Joao Lucas Reis da Silva v Thiago Seyboth Wild | 2-6,5-7 |
| Australian Open | 2023/01/11 04:20 | Facundo Diaz Acosta v Yannick Hanfmann | 7-6,3-6,5-7 |
| Australian Open | 2023/01/09 23:00 | Facundo Diaz Acosta v Gijs Brouwer | 7-6,6-4 |
| Challenger Noumea | 2023/01/05 07:30 | Cristian Garin v Facundo Diaz Acosta | 7-5,7-5 |
| Challenger Noumea | 2023/01/04 00:30 | Facundo Diaz Acosta v Riccardo Bonadio | 6-3,7-6 |
| Challenger Noumea | 2023/01/03 00:00 | Facundo Diaz Acosta v Brandon Walkin | 6-3,6-4 |
| Challenger Sao Leopoldo | 2022/11/17 17:40 | Roman Andres Burruchaga v Facundo Diaz Acosta | 1-6,6-3,6-0 |
| Challenger Sao Leopoldo | 2022/11/15 16:30 | Gonzalo Villanueva v Facundo Diaz Acosta | 3-6,3-6 |
| Challenger Montevideo | 2022/11/11 21:00 | Facundo Diaz Acosta v Tomas Martin Etcheverry | 5-7,4-6 |