| Internazionali del Belgio DX | 2019/09/12 07:35 | Jille/Tirtosentono v Volker/Janssens | W | 1-2 |
| Internazionali di Kharkiv DX | 2019/09/05 09:40 | Hemming/Moore v Volker/Janssens | L | 2-1 |
| US Open DX - Qual. | 2019/07/09 21:30 | Lu/Lee v Volker/Janssens | L | 2-0 |
| Open del Canada DX | 2019/07/03 23:40 | Hall/MacPherson v Volker/Janssens | L | 2-0 |
| Masters d'Orleans DX | 2019/03/20 12:40 | Volker/Janssens v Kapila/Garg | L | 0-2 |
| Open di Svizzera DX | 2019/03/12 18:30 | Christiansen/Pedersen v Volker/Janssens | L | 2-0 |
| Giraldilla International DX | 2019/03/09 10:00 | Mitsova/Vlaar v Volker/Janssens | L | 2-1 |
| Masters di Spagna DX | 2019/02/20 18:40 | Volker/Janssens v Phuangphuapet/Amitrapai | L | 0-2 |