Stadium: Court 2 Round: 25 Ground: Clay
| ITF Brazil F2 | 2017/11/14 17:40 | Igor Marcondes v Gabriel P Tumasonis | 6-3,6-4 |
| ITF Brazil F2 | 2017/11/12 13:00 | Gabriel P Tumasonis v Rafael Tosetto | 6-2,6-4 |
| ITF Argentina F7 | 2017/09/11 13:00 | Carlos E. Severino v Gabriel P Tumasonis | 6-4,3-6,6-2 |
| ITF Argentina F7 | 2017/09/09 17:30 | Fernando Sierra v Gabriel P Tumasonis | 4-6,7-5,3-6 |
| ITF Argentina F6 | 2017/09/02 14:30 | Gabriel P Tumasonis v Rodrigo Arus | 2-6,2-6 |
| ITF Belgium F7 Qual | 2017/07/30 13:55 | Gabriel P Tumasonis v Robi Tholl | 6-4,5-7,3-6 |
| ITF Belgium F7 Qual | 2017/07/29 11:00 | Gabriel P Tumasonis v Maxime Lapraille | 5-7,6-3,6-4 |
| ITF Belgium F6 | 2017/07/23 11:00 | Gabriel P Tumasonis v Javier Naser | 4-6,3-6 |
| ITF Brazil F2 | 2017/11/13 13:30 | Jose Pereira v Alexandre Tsuchiya | 6-4,4-6,6-3 |
| Challenger Campinas Qual | 2017/09/30 18:10 | Tomas Lipovsek Puches v Alexandre Tsuchiya | 6-2,6-2 |
| Challenger Campinas Qual | 2017/09/30 14:00 | Alexandre Tsuchiya v Breno Lodis | 6-3,6-1 |
| ITF Argentina F7 | 2017/09/12 16:30 | Gabriel Alejandro Hidalgo v Alexandre Tsuchiya | 4-6,6-4,6-2 |
| ITF Argentina F7 | 2017/09/11 19:00 | Martin Facundo Carrizo v Alexandre Tsuchiya | 6-7,6-0,1-6 |
| ITF Argentina F6 | 2017/09/04 13:15 | Carlos E. Severino v Alexandre Tsuchiya | 6-4,7-6 |
| ITF Argentina F6 | 2017/09/02 12:00 | Nicolas Zaidman v Alexandre Tsuchiya | 3-6,6-7 |
| ITF Argentina F5 | 2017/08/29 13:00 | Alexandre Tsuchiya v Andre Miele | 5-7,6-7 |