Round: 25 Ground: Clay
| ITF Austria F3 | 2017/07/16 11:30 | Thiago Seyboth Wild v Lah, Sven | 6-4,3-6,5-7 |
| ITF Austria F3 | 2017/07/15 13:30 | Erwin Troebinger v Lah, Sven | 2-6,3-6 |
| ITF Tunisia F36 | 2016/12/14 09:30 | Rodriguez, Cristian v Lah, Sven | 6-2,6-3 |
| ITF Tunisia F35 | 2016/12/05 08:30 | Perret, Loic v Lah, Sven | 6-1,6-3 |
| ITF Tunisia F35 | 2016/12/04 10:30 | Dabbabi, Youssef v Lah, Sven | 4-6,3-6 |
| ITF Austria F6 | 2016/08/18 08:30 | Lah, Sven v Hugo Dellien | 3-6,6-7 |
| ITF Austria F6 | 2016/08/17 10:05 | Kurzmann, Sebastian v Lah, Sven | 2-6,0-6 |
| ITF Austria F6 | 2016/08/15 08:30 | Koncilia, Lukas v Lah, Sven | 3-6,6-1,3-6 |
| ITF Germany F6 | 2017/07/06 12:20 | Fernando Yamacita v Daniel Dutra Da Silva | 2-6,0-6 |
| ITF Germany F6 | 2017/07/05 14:20 | Kopeinigg, Daniel v Fernando Yamacita | 2-6,3-6 |
| ITF Germany F5 | 2017/06/28 16:00 | Fernando Yamacita v Louis Wessels | 2-6,2-6 |
| ITF Germany F5 | 2017/06/26 10:00 | Fernando Yamacita v Dvorak, Nicolas | 6-2,6-1 |
| ITF Germany F5 | 2017/06/26 08:00 | Fernando Yamacita v Vrbsky, Jan Simon | 6-2,6-1 |
| ITF Germany F4 | 2017/06/20 09:00 | Fernando Yamacita v Boehler, Dominik | 6-3,2-6,3-6 |
| ITF Italy F17 | 2017/06/11 13:20 | Fernando Yamacita v Henrik Wiersholm | 4-6,6-7 |
| ITF Italy F17 | 2017/06/10 17:20 | Fernando Yamacita v Stijn Slump | 6-1,6-2 |