Round: 26 Ground: Clay
| ITF Tunisia F27 | 2017/09/20 08:30 | Cortes Alcaraz, Aaron v Marson, Guido | 2-6,2-6 |
| ITF Tunisia F27 | 2017/09/18 11:00 | Marson, Guido v Rafael I Luque | 6-4,6-2 |
| ITF Tunisia F27 | 2017/09/17 11:00 | Luis Britto v Marson, Guido | 0-6,4-6 |
| ITF Tunisia F26 | 2017/09/10 10:00 | Marco Miceli v Marson, Guido | 6-0,6-3 |
| ITF Italy F28 | 2017/09/05 15:50 | Marson, Guido v Brkic, Tomislav | 4-6,0-6 |
| ITF Serbia F4 Qual | 2017/08/27 10:30 | Marson, Guido v Mladenovic, Rajko | 6-7,2-6 |
| ITF Serbia F3 Qual | 2017/08/20 07:00 | Sabanov, Ivan v Marson, Guido | 4-6,6-1,6-2 |
| ITF Serbia F3 Qual | 2017/08/19 07:00 | Marson, Guido v Capalbo, Franco | 6-3,3-6,6-1 |
| ITF Tunisia F27 | 2017/09/22 09:00 | Rochette, Laurent v Marcelo Zormann | 7-6,6-4 |
| ITF Tunisia F27 | 2017/09/20 10:20 | Kennedy, George v Marcelo Zormann | 0-6,1-6 |
| ITF Spain F27 | 2017/08/29 12:30 | Cervantes, Inigo v Marcelo Zormann | 7-5,4-6,7-5 |
| ITF Spain F26 | 2017/08/22 11:50 | Andres F Canovas v Marcelo Zormann | 6-7,7-5,6-1 |
| ITF Spain F25 | 2017/08/18 12:00 | Giner, Marc v Marcelo Zormann | 6-3,7-5 |
| ITF Spain F25 | 2017/08/17 11:00 | Colas Sanchez, Alberto v Marcelo Zormann | 4-6,4-6 |
| ITF Spain F25 | 2017/08/16 13:00 | Navarro, Simon v Marcelo Zormann | 2-6,5-7 |
| ITF Spain F25 | 2017/08/15 09:30 | Dolz, Lluis v Marcelo Zormann | 1-6,0-6 |