| ITF M15 Monastir | 2021/11/08 13:00 | Olivier Rojas v Warren Wood | 2-6,3-6 |
| ITF M15 Monastir | 2021/11/08 08:00 | Olivier Rojas v Gabriele Pennaforti | 6-4,7-6 |
| ITF M15 Monastir | 2021/11/03 10:45 | Christoph Negritu v Olivier Rojas | 7-5,7-6 |
| ITF M15 Monastir | 2021/11/01 14:00 | James McCabe v Olivier Rojas | 6-4,6-3 |
| ITF M25 Eupen | 2021/09/05 07:30 | Tom Gentzsch v Olivier Rojas | 6-3,7-5 |
| ITF M15 Huy | 2021/08/23 16:15 | Olivier Rojas v Maikel De Boes | 6-3,3-6,9-11 |
| ITF M15 Huy | 2021/08/22 15:50 | Olivier Rojas v Kylian Collignon | 6-2,6-2 |
| ITF M25 Koksijde | 2021/08/19 09:35 | Mathieu Perchicot v Olivier Rojas | 5-7,6-2,6-2 |
| ITF M25 Eupen | 2021/09/06 11:00 | Buvaysar Gadamauri v Niklas Koch | 6-2,6-2 |
| ITF M25 Eupen | 2021/09/05 12:00 | Niklas Koch v Arslanbek Temirhanov | 6-1,6-2 |
| ITF M15 Manacor | 2020/01/12 11:30 | Billy Harris v Niklas Koch | 6-1,6-1 |
| ITF M15 Manacor | 2020/01/05 09:00 | Benjamin Pietri v Niklas Koch | 6-0,6-1 |
| ITF M15 Monastir | 2019/12/16 08:00 | Alessandro Coppini v Niklas Koch | 3-6,7-6,10-6 |
| ITF M15 Monastir | 2019/12/15 08:00 | Cheraag Bajwa v Niklas Koch | 6-7,6-4,8-10 |
| ITF M15 Monastir Qual | 2019/12/08 08:30 | Niklas Koch v Maik Steiner | 2-6,3-6 |
| ITF M15 Kaarst | 2019/02/04 08:30 | Martin Van Der Meerschen v Niklas Koch | 7-5,7-6 |