Round: 54 Ground: Carpet indoor
| ITF Tunisia F35 | 2016/12/03 08:30 | Portmann, Kevin v Ben Ali, Mohamed Selim | 4-6,1-6 |
| ITF Tunisia F31 | 2016/11/06 10:00 | Chouaieb, Yassine v Portmann, Kevin | 6-1,6-2 |
| ITF Hungary F8 | 2016/10/01 08:00 | Rabas, Daniel v Portmann, Kevin | 6-2,6-3 |
| Hungary F6, Singles | 2016/09/17 10:00 | Portmann, Kevin v Hajek, Petr | 2-6,2-6 |
| ITF Hungary F5 | 2016/09/10 08:00 | Kandath, Matthew v Portmann, Kevin | 6-2,6-0 |
| ITF Serbia F5 Qual | 2016/08/13 07:00 | Dimitrov, Martin v Portmann, Kevin | 6-0,6-1 |
| ITF Slovakia F3 | 2016/08/07 07:30 | Portmann, Kevin v Marek Gengel | 1-6,0-6 |
| ITF Slovakia F2 | 2016/07/31 06:30 | Portmann, Kevin v Fabian Marozsan | 3-6,2-6 |
| ITF Switzerland F1 Qual | 2017/02/06 10:25 | Boltz, Sebastien v Luca Castelnuovo | 3-6,6-1,7-5 |
| ITF Switzerland F1 Qual | 2017/02/05 11:30 | Antoine Walch v Luca Castelnuovo | 3-6,5-7 |
| ITF Switzerland F1 Qual | 2017/02/04 08:30 | Luca Castelnuovo v Maiga, Riccardo | 4-6,7-5,7-6 |
| ITF Greece F8 | 2016/11/03 09:05 | Brkic, Tomislav v Luca Castelnuovo | 6-3,6-2 |
| ITF Greece F8 | 2016/11/02 07:30 | Miki, Pietro v Luca Castelnuovo | 3-6,2-6 |
| Others | 2016/10/31 12:00 | Luca Castelnuovo v Grozev, Serafim | 6-4,6-2 |
| ITF Greece F8 | 2016/10/30 09:30 | Wakita, Shunsuke v Luca Castelnuovo | 7-5,2-6,4-6 |
| ITF Greece F8 | 2016/10/29 09:00 | Luca Castelnuovo v Krohn, Linus | 6-2,6-1 |