Stadium: Court 10 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Cancun | 2022/07/14 16:25 | Gabriel P Tumasonis v Mwendwa Mbithi | 3-6,3-6 |
| ITF M15 Cancun | 2022/09/08 14:00 | Victor Lilov v Gabriel P Tumasonis | 6-4,6-3 |
| ITF M15 Cancun | 2022/09/07 15:40 | Gabriel P Tumasonis v Kousuke Ogura | 6-2,6-3 |
| ITF M15 Brasilia | 2022/08/25 13:00 | Fernando Yamacita v Gabriel P Tumasonis | 6-2,7-6 |
| ITF M15 Brasilia | 2022/08/23 18:15 | Christian Oliveira v Gabriel P Tumasonis | 6-7,2-6 |
| ITF M15 Recife | 2022/08/17 19:45 | Nicolas Villalon v Gabriel P Tumasonis | 6-2,3-6,6-4 |
| UTR Pro Tennis Series Rio de Janeiro | 2022/08/06 21:19 | Gabriel P Tumasonis v Mateo Labuckas | 6-4,3-6,6-6 |
| UTR Pro Tennis Series Rio de Janeiro | 2022/08/05 13:30 | Gabriel P Tumasonis v Gabriel Silva | 6-3,2-6,6-6 |
| UTR Pro Tennis Series Rio de Janeiro | 2022/08/04 13:30 | Gabriel P Tumasonis v Pedro Sakamoto | 1-6,2-5 |
| ITF M15 Cancun | 2022/09/09 16:20 | Ricardo Rodriguez-Pace v Mwendwa Mbithi | 6-2,6-4 |
| ITF M15 Cancun | 2022/09/08 14:00 | Enzo Frances Tessari v Mwendwa Mbithi | 0-6,2-6 |
| ITF M15 Cancun | 2022/09/07 14:00 | Mwendwa Mbithi v Kareem Allaf | 7-5,0-6,6-3 |
| ITF M15 Cancun | 2022/07/21 20:50 | Mwendwa Mbithi v Enzo Wallart | 3-6,3-6 |
| ITF M15 Cancun | 2022/07/15 14:00 | Masamichi Imamura v Mwendwa Mbithi | 6-2,6-2 |
| ITF M15 Cancun | 2022/07/14 16:25 | Gabriel P Tumasonis v Mwendwa Mbithi | 3-6,3-6 |
| ITF M15 Cancun | 2022/07/12 15:00 | Mwendwa Mbithi v Victor Lilov | 6-3,6-2 |
| ITF M15 Cancun | 2022/06/05 13:00 | Alexander Bernard v Mwendwa Mbithi | 7-6,1-6,10-5 |