Stadium: Court 2 Round: 26 Ground: Clay
| ITF Brazil F3 | 2017/11/20 14:00 | Marcelo Zormann v Igor Sao Thiago | 4-6,7-5,6-7 |
| ITF Brazil F3 | 2017/11/19 13:30 | Igor Sao Thiago v Gabriel De Andrade Bendazoli | 6-1,6-1 |
| ITF USA F31 | 2017/09/16 20:15 | Ku Keon Kang v Igor Sao Thiago | 3-6,6-2,7-5 |
| ITF USA F30 | 2017/09/08 22:00 | Igor Sao Thiago v Jack Jaede | 2-6,1-6 |
| ITF China F3 Qual | 2017/02/27 02:00 | Patrick Daciek v Igor Sao Thiago | 6-1,6-1 |
| ITF China F3 Qual | 2017/02/26 01:30 | Haitong Xia v Igor Sao Thiago | 6-7,4-6 |
| ITF China F3 Qual | 2017/02/25 01:00 | Igor Sao Thiago v Zhuoyang Qiu | 6-4,6-4 |
| ITF China F2 Qual | 2017/02/18 05:40 | Hong Kit Wong v Igor Sao Thiago | 6-3,6-0 |
| ITF Brazil F3 | 2017/11/20 14:00 | Gabriel P Tumasonis v Alexandre Tsuchiya | 1-6,4-6 |
| 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 |