Stadium: Court 15 Round: 29 Ground: Hardcourt indoor
| ITF M15 - Bressuire | 2019/01/17 11:00 | Christopher Heyman v Yannick Mertens | 3-6,0-6 |
| ITF Israel F15 Qual | 2017/11/03 09:50 | Christopher Heyman v Yannick Mertens | 6-7,6-3,2-6 |
| ITF Israel F15 | 2017/11/03 08:00 | Christopher Heyman v Yannick Mertens | 6-7,6-3,2-5 |
| ITF France F4 | 2017/03/03 09:30 | Yannick Mertens v Christopher Heyman | 6-4,6-4 |