Round: 26 Ground: Clay
| ITF Portugal F3 Qual | 2017/03/12 16:00 | Guido Marson v Enrico Dalla Valle | 1-6,0-6 |
| ITF Portugal F3 Qual | 2017/03/12 10:00 | Guido Marson v Joao Antonio | 6-0,6-3 |
| ITF Portugal F3 Qual | 2017/03/11 09:30 | Guido Marson v Guillaume Dermiens | 6-2,6-3 |
| ITF Portugal F2 | 2017/03/05 17:05 | Guido Marson v Javier Pulgar-Garcia | 6-2,2-6,6-7 |
| ITF Portugal F1 | 2017/02/26 09:30 | James Marsalek v Guido Marson | 7-6,1-6,6-3 |
| ITF Spain F12 | 2017/05/01 12:05 | Pascal Meis v Marcelo Zormann | 5-7,1-6 |
| ITF Spain F11 | 2017/04/27 10:00 | Marcelo Zormann v Markus Eriksson | 2-6,1-6 |
| ITF Spain F11 | 2017/04/25 08:30 | Hugo Dellien v Marcelo Zormann | 4-6,6-1,2-6 |
| ITF Portugal F7 | 2017/04/19 09:30 | Marcelo Zormann v Bernabe Zapata Miralles | 3-6,0-6 |
| ITF Portugal F6 | 2017/04/11 10:40 | Marcelo Zormann v Jaume Pla Malfeito | 4-6,2-6 |
| ITF Portugal F5 | 2017/04/06 09:30 | Marcelo Zormann v Miliaan Niesten | 1-6,4-6 |
| ITF Portugal F5 | 2017/04/05 09:30 | Marcelo Zormann v Mateusz Terczynski | 6-4,6-3 |
| Challenger Buenos Aires | 2017/03/15 14:00 | Marcelo Zormann v Facundo Arguello | 1-6,2-6 |