| ITF Germany F1 | 2015/01/07 11:40 | Lang, Robin v Lomacki, Piotr | 3-6,4-6 |
| ITF Germany F1 Qual | 2015/01/06 09:00 | Lang, Robin v Novotny, David | 3-6,6-3,6-4 |
| ITF Germany F13 | 2014/08/20 08:00 | Lang, Robin v Maximilian Marterer | 1-6,2-6 |
| ITF Germany F13 | 2014/08/18 10:00 | Dominik Koepfer v Lang, Robin | 2-6,6-4,6-7 |
| ITF Germany F13 | 2014/08/17 08:00 | Lang, Robin v Seyler, Nathaniel | 6-0,7-6 |
| ITF Austria F6 | 2014/08/02 12:30 | Eger, Daniel v Lang, Robin | 4-6,6-3,6-4 |
| Turkey F15, Singles Qualifying | 2015/04/11 07:00 | Chang, Jonathan v Keist, Luca | 7-6,5-7,3-6 |
| ITF Switzerland F2 Qual | 2015/03/15 09:00 | Mazzella, Manuel v Keist, Luca | 6-2,6-4 |
| ITF Switzerland F1 Qual | 2015/03/08 10:00 | Keist, Luca v Borter, Nico | 1-6,4-6 |
| ITF Switzerland F1 Qual | 2015/03/07 08:00 | Nicolas Parizzia v Keist, Luca | 4-6,4-6 |