Round: 25 Ground: Carpet indoor
| ITF Germany F1 | 2017/01/10 17:00 | Oscar Otte v Ollert, Lukas | 6-2,6-1 |
| 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 | Ollert, Lukas v Ben Jones | 6-4,6-4 |
| ITF USA F40 | 2016/12/09 16:00 | Ollert, Lukas v Spencer, Wil | 3-6,6-7 |
| ITF USA F40 | 2016/12/08 19:45 | Gosea, Farris Fathi v Ollert, Lukas | 6-7,6-7 |
| ITF USA F40 | 2016/12/06 17:00 | E Gracia, Jose v Ollert, Lukas | 6-2,2-6,3-6 |
| ITF USA F37 | 2016/11/17 18:40 | Alex Rybakov v Ollert, Lukas | 6-0,6-1 |
| ITF USA F37 | 2016/11/15 16:00 | Riffice, Sam v Ollert, Lukas | 6-7,5-7 |
| Challenger Mons Qual | 2016/10/01 08:00 | Vliegen, Joran v Doumbia, Sadio | 2-6,1-6 |
| Challenger Kenitra Qual | 2016/09/18 11:40 | Toledo Bague, Pol v Vliegen, Joran | 6-3,6-2 |
| Challenger Kenitra Qual | 2016/09/17 15:30 | Margaroli, Luca v Vliegen, Joran | 3-6,4-6 |
| ITF Belgium F12 | 2016/09/03 11:00 | Brechemier, Thomas v Vliegen, Joran | 6-1,6-7,6-1 |
| ITF Belgium F12 | 2016/09/02 10:10 | Vliegen, Joran v Farquharson, Tom | 6-4,5-7,6-3 |
| ITF Belgium F12 | 2016/08/31 12:00 | Vliegen, Joran v Bogaert, Dennis | 6-0,7-5 |
| ITF Belgium F12 | 2016/08/29 10:00 | Vliegen, Joran v Gray, Jonathan | 6-1,7-5 |
| ITF Belgium F11 | 2016/08/27 13:00 | Barbosa, Romain v Vliegen, Joran | 4-6,4-6 |