| Slovenia Int. XD | 2019/05/16 08:00 | Villeger W / Bauer S v Gnedt R / Polc U | L | 2-0 |
| Croatian Int. XD | 2019/04/19 07:00 | Christensen M / Syvertsen N v Gnedt R / Polc U | W | 0-2 |
| Orléans Masters - Doubles Mixtes - Qualif. | 2019/03/19 13:15 | Gnedt R / Polc U v Lim K W / Lee Z Q | L | 1-2 |
| Giraldilla Int. XD | 2018/10/30 15:00 | Scheiel/Volkmann v Gnedt R / Polc U | L | 2-0 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/09/20 08:10 | Gnedt R / Polc U v Markiewicz B / Stanisz J | W | 2-0 |
| SaarLorLux Open 2019, XD | 2019/10/31 09:00 | Ellis/Smith v Volker J C / Janssens E | L | 2-0 |
| Dutch Open XD | 2019/10/08 13:15 | Magee S / Magee C v Volker J C / Janssens E | L | 2-1 |
| Belgian Int. XD | 2019/09/12 10:30 | Volker J C / Janssens E v Mikkelsen M / Magelund A | L | 0-2 |
| Belgian Int. XD | 2019/09/12 07:35 | Jille/Tirtosentono v Volker J C / Janssens E | W | 1-2 |
| Kharkiv International 2019, XD | 2019/09/05 09:40 | Hemming C / Moore J v Volker J C / Janssens E | L | 2-1 |
| US Open XD Qual | 2019/07/09 21:30 | Lee Y / Lu C Y v Volker J C / Janssens E | L | 2-0 |
| Canada Open XD | 2019/07/03 23:40 | Hall/MacPherson v Volker J C / Janssens E | L | 2-0 |
| Orléans Masters - Doubles Mixtes | 2019/03/20 12:40 | Volker J C / Janssens E v Garg K / Kapila D | L | 0-2 |