Estádio: Court 6 Round: 44 Ground: Hardcourt outdoor
| ITF - Brasil F4 | 2017/11/26 10:30 | Fernando Yamacita v Paulo A S Dos Santos | 6-4,6-1 |
| ITF - M15 São Paulo | 2019/10/14 14:00 | Paulo A S Dos Santos v Gaston Erhardt | 5-7,6-2,6-10 |
| ITF - M15 Lambaré | 2019/08/19 14:00 | Bruno Britez v Paulo A S Dos Santos | 7-6,6-2 |
| ITF - M15 La Paz | 2019/08/14 16:05 | Joao Hinsching v Paulo A S Dos Santos | 6-3,6-2 |
| ITF - M15 La Paz | 2019/08/13 16:00 | Paulo A S Dos Santos v Bruno Stefani Figlio | 6-3,7-5 |
| ITF - M15 La Paz | 2019/08/12 16:45 | Paulo A S Dos Santos v Jesus Matias Quiroga | 7-5,6-3 |
| ITF - M15 Santa Cruz | 2019/08/05 19:00 | Paulo A S Dos Santos v Cristobal Castro | 7-5,3-6,5-10 |
| ITF - Brasil F9 | 2018/11/12 22:00 | Paulo A S Dos Santos v Andre Miele | 0-6,2-6 |
| ITF - Brasil F8 | 2018/11/04 15:30 | Laelson Rodrigues v Paulo A S Dos Santos | 2-6,6-1,6-3 |
| ITF - M15 Cancún | 2020/02/17 14:00 | Constant De La Bassetiere v Fernando Yamacita | 7-5,6-4 |
| ITF - M15 Cancún | 2020/02/12 15:55 | Fernando Yamacita v Alfredo Perez | 2-6,4-6 |
| ITF - M15 Cancún | 2020/02/11 14:00 | Ishaan Ravichander v Fernando Yamacita | 6-2,5-7,8-10 |
| ITF - M15 Cancún | 2020/02/10 14:00 | Fernando Yamacita v Kiranpal Pannu | 7-6,4-6,11-9 |
| ITF - M15 Cancún | 2020/02/09 16:00 | Fernando Yamacita v Joseph W. Van Meter | 6-4,6-2 |
| ITF - M15 Cancún | 2020/02/03 15:00 | Fernando Yamacita v Matic Spec | 4-6,6-7 |
| ITF - M15 Cancún | 2020/02/02 18:00 | Ivar Jose Aramburu Contreras v Fernando Yamacita | 7-6,5-7,5-10 |
| ITF - M15 Cancún | 2019/12/11 14:00 | Fernando Yamacita v Jorge Panta | 2-6,7-6,2-6 |