Round: 44 Ground: Clay
| ITF Argentina F10 | 2017/11/21 16:55 | Gagliardo, Lorenzo v Seweryniak, Tiago | 6-4,2-6,6-2 |
| ITF Argentina F9 | 2017/11/12 13:00 | Hidalgo, Gabriel Alejandro v Seweryniak, Tiago | 6-1,6-2 |
| ITF Argentina F9 | 2017/11/11 14:00 | Seweryniak, Tiago v Coronel, Tomas | 7-5,6-1 |
| 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 Ku Meza, Andre | 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 | Ignacio Monzon v Seweryniak, Tiago | 6-3,4-6,6-3 |
| ITF Argentina F11 | 2017/11/25 14:30 | Bahamonde, Francisco v Sierra, Fernando | 6-0,6-0 |
| ITF Argentina F12 | 2016/11/01 23:00 | Bahamonde, Francisco v Martniez, Mateo Nicolas | 4-6,1-6 |
| ITF Argentina F12 | 2016/10/31 23:00 | Galarza, Juan Ignacio v Bahamonde, Francisco | 3-6,6-2,6-7 |
| ITF Argentina F11 | 2016/10/26 15:50 | Ameal, Juan Ignacio v Bahamonde, Francisco | 6-3,6-3 |
| ITF Argentina F11 | 2016/10/24 16:45 | Santiago Rodriguez Taverna v Bahamonde, Francisco | 1-6,6-4,0-6 |
| ITF Italy F25 | 2016/08/19 12:00 | Maxime Chazal v Bahamonde, Francisco | 6-1,6-2 |
| ITF Italy F25 | 2016/08/18 13:00 | Bahamonde, Francisco v Hernandez-Fernandez, Jose | 7-5,7-5 |
| ITF Italy F25 | 2016/08/16 10:15 | Bahamonde, Francisco v Raspudic, Franjo | 6-2,6-4 |