Stadium: Court 2 Round: 54 Ground: Clay
| ITF M25 Loule | 2022/03/16 16:00 | Vojtech Vlkovsky v Caio Gruber | 6-3,6-1 |
| ITF M25 Loule | 2022/03/13 13:00 | Naman Sharma v Caio Gruber | 4-6,6-3,7-10 |
| ITF M25 Portimao | 2022/03/06 15:00 | Alec Deckers v Caio Gruber | 6-1,6-0 |
| ITF M25 Faro | 2022/02/27 09:30 | Caio Gruber v Mario G Fernandez | 2-6,1-6 |
| ITF M25 Campos do Jordao | 2022/01/31 14:00 | Caio Gruber v Henrique S Gomes | 5-7,2-6 |
| ITF M15 Lambare | 2021/12/15 14:30 | Caio Gruber v Miguel Fernando Pereira | 1-6,0-6 |
| ITF M25 Aparecida De Goiania | 2021/11/11 19:40 | Caio Gruber v Oscar Jose Gutierrez | 1-6,3-6 |
| ITF M25 Aparecida De Goiania | 2021/11/10 15:00 | Hernando J E Isnardi v Caio Gruber | 2-6,6-3,4-6 |
| ITF M25 Monastir | 2022/03/23 07:30 | Maik Steiner v Pablo Trochu | 7-6,6-3 |
| ITF M25 Monastir | 2022/03/20 09:00 | Pablo Trochu v Mohamed Amine Aissa Khelifa | 6-0,6-0 |