Round: 54 Ground: Carpet indoor
| ITF Switzerland F1 | 2017/02/09 12:00 | Haerteis, Johannes v Netuschil, Marvin | 2-6,7-6,3-6 |
| ITF Switzerland F1 | 2017/02/07 12:00 | Haerteis, Johannes v Basso, Andrea | 7-6,6-4 |
| ITF Switzerland F1 Qual | 2017/02/06 09:00 | Haerteis, Johannes v Jacob Kahoun | 6-2,6-3 |
| ITF Switzerland F1 Qual | 2017/02/05 09:00 | Haerteis, Johannes v Giovanni Fonio | 6-2,7-5 |
| ITF Switzerland F1 Qual | 2017/02/04 08:30 | Haerteis, Johannes v Fabien Salle | 6-3,6-3 |
| ITF Germany F3 | 2017/01/25 11:10 | Haerteis, Johannes v Grigelis, Laurynas | 4-6,6-4,2-6 |
| ITF Germany F3 | 2017/01/23 11:30 | Haerteis, Johannes v Rudolf Molleker | 6-4,6-3 |
| ITF Germany F3 | 2017/01/23 08:30 | Haerteis, Johannes v Lang, Robin | 7-5,6-3 |
| ITF Switzerland F1 Qual | 2017/02/05 11:30 | Boltz, Sebastien v Vialmin, Matteo | 6-1,6-2 |
| ITF Switzerland F1 Qual | 2017/02/04 11:00 | Mrose, Oliver v Vialmin, Matteo | 7-5,4-6,2-6 |
| ITF Indonesia F5 | 2016/11/28 07:30 | Levine, Andrei v Vialmin, Matteo | 6-2,7-5 |
| ITF Indonesia F5 | 2016/11/27 09:30 | Vicentiu Andrei Niculescu v Vialmin, Matteo | 6-1,1-6,1-6 |
| ITF Turkey F46 | 2016/11/15 07:00 | Vialmin, Matteo v Wong, Hong Kit | 3-6,3-6 |
| ITF Tunisia F26 | 2016/10/02 08:30 | Guy Den Heijer v Vialmin, Matteo | 6-2,6-4 |
| ITF Tunisia F26 | 2016/10/01 09:30 | Munafo, Pedro v Vialmin, Matteo | 1-6,3-6 |
| ITF Tunisia F25 | 2016/09/28 11:35 | Vialmin, Matteo v Kossler, Bernd | 3-6,2-6 |