Round: 62 Ground: Clay
| ITF Bolivia F3 - Qual. | 2017/09/30 13:30 | Tiago Seweryniak v Juan Martin Jalif | 2-6,6-7 |
| ITF Bolivia F2 - Qual. | 2017/09/23 16:00 | Tiago Seweryniak v Cleiner Caceres | 1-6,2-6 |
| ITF Bolivia F1 | 2017/09/16 14:00 | Tiago Seweryniak v Andre Ku Meza | 6-7,2-6 |
| ITF Argentina F7 | 2017/09/09 17:30 | Bruno L F Ureta v Tiago Seweryniak | 6-7,6-3,7-6 |
| ITF Argentina F5 | 2017/08/27 15:30 | Ignacio Monzon v Tiago Seweryniak | 6-3,4-6,6-3 |
| ITF Argentina F5 | 2017/08/26 17:30 | Tiago Seweryniak v Andres Ariel F Lopez | 6-3,6-4 |
| ITF Argentina F4 | 2017/08/19 11:30 | Lorenzo Joaquin Rodriguez v Tiago Seweryniak | 6-0,6-7,6-2 |
| ITF Argentina F3 | 2017/06/17 12:00 | Leonardo Aboian v Tiago Seweryniak | 6-3,6-2 |
| ITF Argentina F8 | 2017/11/05 17:00 | Alan Kohen v Tomas Coronel | 6-1,6-2 |
| ITF Bolivia F3 - Qual. | 2017/09/30 16:00 | Bruno L F Ureta v Tomas Coronel | 6-1,6-4 |
| ITF Bolivia F2 - Qual. | 2017/09/24 18:20 | Alejo Vilaro v Tomas Coronel | 2-6,6-3,6-4 |
| ITF Bolivia F1 | 2017/09/16 16:30 | Tomas Coronel v Juan Martin Jalif | 7-5,5-7,2-6 |
| ITF Argentina F4 | 2017/08/19 16:30 | Gian M Di Natale v Tomas Coronel | 6-3,6-2 |
| ITF Francia F17 - Qual. | 2017/07/22 13:35 | Anton Chekhov v Tomas Coronel | 6-4,7-5 |
| ITF Francia F13 - Qual. | 2017/06/24 09:15 | Brian Orradre v Tomas Coronel | 6-0,6-2 |
| ITF Uruguay F1 - Qual. | 2016/11/27 13:00 | Tomas Coronel v Alexis Gurmendi | 6-7,3-6 |