| UTR Pro Tennis Series - Rio de Janeiro | 2022/04/07 14:00 | Luis Felipe Miguel v Caio Gruber | 2-6,6-1,6-4 |
| UTR Pro Tennis Series - Rio de Janeiro | 2022/04/06 17:05 | Jose Pereira v Caio Gruber | 6-0,6-0 |
| UTR Pro Tennis Series - Rio de Janeiro | 2022/04/04 18:30 | Bruno Fernandez v Caio Gruber | 6-7,6-3,6-4 |
| ITF - Loule M25 | 2022/03/16 16:00 | Vojtech Vlkovsky v Caio Gruber | 6-3,6-1 |
| ITF - Loule M25 | 2022/03/13 13:00 | Naman Sharma v Caio Gruber | 4-6,6-3,7-10 |
| ITF - Portimao M25 | 2022/03/06 15:00 | Alec Deckers v Caio Gruber | 6-1,6-0 |
| ITF - Faro M25 | 2022/02/27 09:30 | Caio Gruber v Mario G Fernandez | 2-6,1-6 |
| ITF - Campos do Jordao M25 | 2022/01/31 14:00 | Caio Gruber v Henrique S Gomes | 5-7,2-6 |
| UTR Pro Tennis Series - Rio de Janeiro | 2022/04/08 13:00 | Asdrubal Neto v Florent Casays | 6-1,2-6,5-1 |
| UTR Pro Tennis Series - Rio de Janeiro | 2022/04/07 16:44 | Asdrubal Neto v Luis Britto | 4-6,4-6 |
| UTR Pro Tennis Series - Rio de Janeiro | 2022/04/06 14:00 | Christian Heaney-Secord v Asdrubal Neto | 6-2,6-2 |
| UTR Pro Tennis Series - Rio de Janeiro | 2022/04/05 19:13 | Fernando Yamacita v Asdrubal Neto | 6-0,5-1 |
| UTR Pro Tennis Series - Rio de Janeiro | 2022/04/03 13:30 | Florent Casays v Asdrubal Neto | 6-2,6-0 |
| UTR Pro Tennis Series - Rio de Janeiro | 2022/04/01 14:00 | Carlos Eduardo Severino v Asdrubal Neto | 4-6,6-4,6-3 |
| UTR Pro Tennis Series - Rio de Janeiro | 2022/03/31 12:30 | Pedro Cressoni v Asdrubal Neto | 6-2,4-6,7-5 |
| UTR Pro Tennis Series - Rio de Janeiro | 2022/03/28 13:30 | Christian Oliveira v Asdrubal Neto | 3-6,1-6 |