Round: 62 Ground: Clay
| ITF Bolivia F3 Qual | 2017/09/30 13:30 | Seweryniak, Tiago v Jalif, Juan Martin | 2-6,6-7 |
| ITF Bolivia F2 Qual | 2017/09/23 16:00 | Seweryniak, Tiago v Caceres, Cleiner | 1-6,2-6 |
| ITF Bolivia F1 | 2017/09/16 14:00 | Seweryniak, Tiago v 쿠 메자, 안드레 | 6-7,2-6 |
| ITF Argentina F7 | 2017/09/09 17:30 | Faletto Ureta, Bruno Luca v Seweryniak, Tiago | 6-7,6-3,7-6 |
| ITF Argentina F5 | 2017/08/27 15:30 | 몬존, 이그나시오 v Seweryniak, Tiago | 6-3,4-6,6-3 |
| ITF Argentina F5 | 2017/08/26 17:30 | Seweryniak, Tiago v Fernandez Lopez, Andres Ariel | 6-3,6-4 |
| ITF Argentina F4 | 2017/08/19 11:30 | Rodriguez, Lorenzo Joaquin v Seweryniak, Tiago | 6-0,6-7,6-2 |
| ITF Argentina F3 | 2017/06/17 12:00 | 아보이안, 레오날도 v Seweryniak, Tiago | 6-3,6-2 |
| ITF Argentina F8 | 2017/11/05 17:00 | 코헨, 알란 v Coronel, Tomas | 6-1,6-2 |
| ITF Bolivia F3 Qual | 2017/09/30 16:00 | Faletto Ureta, Bruno Luca v Coronel, Tomas | 6-1,6-4 |
| ITF Bolivia F2 Qual | 2017/09/24 18:20 | 빌라로, 알레조 v Coronel, Tomas | 2-6,6-3,6-4 |
| ITF Bolivia F1 | 2017/09/16 16:30 | Coronel, Tomas v Jalif, Juan Martin | 7-5,5-7,2-6 |
| ITF Argentina F4 | 2017/08/19 16:30 | 디 나탈, 기안 마티아스 v Coronel, Tomas | 6-3,6-2 |
| ITF France F17 Qual | 2017/07/22 13:35 | 체크호브, 안톤 v Coronel, Tomas | 6-4,7-5 |
| ITF France F13 Qual | 2017/06/24 09:15 | Orradre, Brian v Coronel, Tomas | 6-0,6-2 |
| Uruguay F1, Singles Qualifying | 2016/11/27 13:00 | Coronel, Tomas v Gurmendi, Alexis | 6-7,3-6 |