Round: 44 Ground: Carpet indoor
| ITF Germany F2 | 2017/01/18 12:30 | Lang, Robin v Shyla, Yaraslau | 4-6,4-6 |
| ITF Germany F2 Qual | 2017/01/16 17:35 | Binding, Jonathan v Lang, Robin | 6-3,6-7,5-7 |
| ITF Germany F2 Qual | 2017/01/15 12:00 | Lang, Robin v Denis Klok | 6-3,7-5 |
| ITF Germany F1 Qual | 2017/01/09 09:00 | Ollert, Lukas v Lang, Robin | 6-3,6-3 |
| ITF Germany F1 Qual | 2017/01/08 13:00 | Lang, Robin v Adrian Bodmer | 6-4,5-7,7-5 |
| ITF Israel F17 | 2016/12/03 11:30 | Lang, Robin v Gerritsen, Stephan | 6-7,6-7 |
| ITF Germany F17 | 2016/10/31 09:00 | Lang, Robin v Benjamin Hassan | 6-3,2-6,4-6 |
| ITF Germany F17 | 2016/10/30 11:00 | Lang, Robin v Conrardy, Chris | 6-1,6-0 |
| ITF Germany F1 Qual | 2017/01/09 09:00 | Zgombic, Fran Zvonimir v Kaelin, Yanik | 6-3,6-2 |
| ITF Germany F1 Qual | 2017/01/08 09:00 | Kaelin, Yanik v Brutscher, Tobias | 6-2,6-3 |
| Kuwait F3, Singles Qualifying | 2016/11/11 23:00 | Kaelin, Yanik v Lyngbaek, Morten | 3-6,1-6 |
| ITF Turkey F45 | 2016/11/07 08:00 | Caleguer, Eric v Kaelin, Yanik | 6-3,1-6,6-0 |
| ITF Turkey F45 | 2016/11/06 07:00 | Kaelin, Yanik v Pavlioutchenkov, Alexander | 6-4,6-4 |
| ITF Turkey F44 | 2016/10/31 07:00 | Francesco Ferrari v Kaelin, Yanik | 6-1,6-3 |
| ITF Turkey F44 | 2016/10/29 07:00 | Strokan, Artem v Kaelin, Yanik | 0-6,3-6 |
| ITF Germany F15 | 2016/10/16 11:00 | Ruepke, Lukas v Kaelin, Yanik | 6-3,6-2 |