Stadium: Quadra Central Round: 25 Ground: Clay
| Challenger Rio De Janeiro | 2021/12/15 16:35 | Pedro Sakamoto v Roy Smith | 7-6,4-6,3-6 |
| Challenger Rio De Janeiro | 2021/12/13 21:00 | Pedro Sakamoto v Facundo Juarez | 6-4,4-6,6-4 |
| Challenger Florianopolis | 2021/12/06 13:00 | Pedro Sakamoto v Federico Zeballos | 5-7,1-6 |
| Challenger Florianopolis | 2021/12/05 16:55 | Pedro Sakamoto v Joao Victor C Loureiro | 6-3,6-3 |
| Challenger Sao Paulo | 2021/12/01 12:30 | Nicolas Jarry v Pedro Sakamoto | 6-3,6-4 |
| Challenger Sao Paulo | 2021/11/30 12:30 | Pedro Sakamoto v Gilbert S K Junior | 2-6,7-5,7-5 |
| Challenger Campinas | 2021/11/14 18:10 | Pedro Sakamoto v Bogdan Bobrov | 2-6,4-6 |
| Challenger Ambato | 2021/09/22 18:40 | Pedro Sakamoto v Johan Nikles | 3-6,4-6 |
| Challenger Blumenau | 2022/01/10 19:15 | Roman Andres Burruchaga v Conner Huertas Del Pino | 6-3,7-5 |
| Challenger Buenos Aires | 2022/01/07 13:00 | Murkel Dellien v Roman Andres Burruchaga | 6-3,6-1 |
| Challenger Buenos Aires | 2022/01/06 13:00 | Roman Andres Burruchaga v Carlos Gimeno Valero | 6-0,4-6,7-6 |
| Challenger Buenos Aires | 2022/01/03 17:20 | Roman Andres Burruchaga v Juan Manuel La Serna | 6-1,7-6 |
| ITF M25 Poznan | 2021/08/29 09:00 | Pawel Juszczak v Roman Andres Burruchaga | 7-5,3-6,2-6 |
| ITF M25 Poznan | 2021/08/28 09:30 | Roman Andres Burruchaga v Matias Zukas | 6-1,6-4 |
| ITF M25 Poznan | 2021/08/27 09:30 | Alejo Lorenzo Lingua Lavallen v Roman Andres Burruchaga | 2-6,4-6 |
| ITF M25 Poznan | 2021/08/26 13:45 | Borys Zgola v Roman Andres Burruchaga | 1-6,4-6 |