Stadium: Court 7 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Parnu | 2020/11/04 10:55 | Eric Vanshelboim v Yannick Mertens | 4-6,6-3,6-4 |
| ITF M25 Plaisir | 2020/09/19 15:25 | Yannick Mertens v Igor Sijsling | 1-6,6-7 |
| ITF M25 Plaisir | 2020/09/18 11:00 | Michael Geerts v Yannick Mertens | 6-7,0-6 |
| ITF M25 Plaisir | 2020/09/17 13:15 | Yannick Mertens v Pedro Sakamoto | 6-1,6-3 |
| ITF M25 Plaisir | 2020/09/16 12:00 | Yannick Mertens v Nicolas Barrientos | 1-6,6-2,6-3 |
| ITF M15 Faro | 2020/03/05 12:00 | Yannick Mertens v Alberto Barroso Campos | 7-6,6-7,2-6 |
| ITF M15 Faro | 2020/03/04 10:00 | Yannick Mertens v Michal Dembek | 6-2,7-5 |
| ITF M25 Sunderland | 2020/02/27 10:00 | Yannick Mertens v Dan Added | 3-6,7-6,6-7 |
| ITF M15 Alkmaar | 2020/08/25 14:30 | Constantin Schmitz v Benjamin Hassan | 4-6,6-3,3-6 |
| Tennis Point Exhibition Series | 2020/08/01 09:30 | Constantin Schmitz v Benjamin Hassan | 6-7,7-6,0-6 |
| Tennis Point Exhibition Series | 2020/07/31 08:00 | Constantin Schmitz v Johannes Haerteis | 0-6,3-6 |
| Tennis Point Exhibition Series | 2020/07/30 08:00 | Constantin Schmitz v Hazem Naw | 4-6,7-6,2-6 |
| Tennis Point Exhibition Series | 2020/07/29 09:45 | Constantin Schmitz v Daniel Vishnick | 6-1,6-2 |
| Tennis Point Exhibition Series | 2020/07/28 08:00 | Constantin Schmitz v Luca Gelhardt | 6-3,6-1 |
| Tennis Point Exhibition Series | 2020/07/25 09:30 | Constantin Schmitz v Luca Gelhardt | 6-3,6-2 |
| Tennis Point Exhibition Series | 2020/07/24 08:00 | Constantin Schmitz v Johannes Haerteis | 2-6,2-6 |