Italy: M25 Santa Margherita di Pula 3 - Doubles - Main |
| Quarter-finals | Pampanin P./Rottoli L. | Hermans M./Veldheer M. | 2:1 (7:67, 2:6, 10:8) | details | 20.04.2023 |
| 1/8-finals | Alonso J./Chessari R. | Hermans M./Veldheer M. | 0:2 (2:6, 1:6) | details | 19.04.2023 |
Italy: M25 Santa Margherita di Pula 2 - Doubles - Main |
| Semi-finals | Hermans M./Veldheer M. | Erhard M./Haliak M. | 1:2 (6:4, 4:6, 8:10) | details | 14.04.2023 |
| Quarter-finals | Hermans M./Veldheer M. | De Carvalho V./Oliveira G. | 2:0 (7:64, 6:1) | details | 13.04.2023 |
| 1/8-finals | Hermans M./Veldheer M. | Piraino G./Tabacco G. | 2:0 (6:3, 6:4) | details | 12.04.2023 |
France: Saint Brieuc - Doubles - Main |
| 1/8-finals | Hermans M./Veldheer M. | Gueymard Wayenburg S./Hoang A. | 1:2 (7:66, 60:7, 5:10) | details | 22.03.2023 |
Portugal: M25 Quinta Do Lago - Doubles - Main |
| Final | Fernandez Flores D./Soriano Barrera A. | Hermans M./Veldheer M. | 0:2 (4:6, 3:6) | details | 12.03.2023 |
| Semi-finals | Hermans M./Veldheer M. | Forti F./Mansouri S. | 2:0 (6:4, 6:2) | details | 11.03.2023 |
| Quarter-finals | Hermans M./Veldheer M. | Harris B./Santillan A. | 2:1 (6:1, 4:6, 10:8) | details | 11.03.2023 |
| 1/8-finals | Hermans M./Veldheer M. | Marrero D./Mulye D. | 2:0 (7:5, 6:1) | details | 10.03.2023 |
Portugal: M25 Loule - Doubles - Main |
| Semi-finals | Hermans M./Veldheer M. | Pontjodikromo S./Visker N. | 1:2 (6:3, 2:6, 6:10) | details | 03.03.2023 |
| Quarter-finals | Hodkin S./Wendelken H. | Hermans M./Veldheer M. | 1:2 (6:4, 65:7, 6:10) | details | 02.03.2023 |
| 1/8-finals | Poullain L./Tabur C. | Hermans M./Veldheer M. | 1:2 (64:7, 6:4, 8:10) | details | 01.03.2023 |
Slovakia: M25 Trnava - Doubles - Main |
| Final | Rincon D./Vallejo D. | Hermans M./Veldheer M. | 1:2 (6:1, 3:6, 8:10) | details | 03.12.2022 |
| Semi-finals | Nad P./Privara P. B. | Hermans M./Veldheer M. | 1:2 (6:4, 4:6, 9:11) | details | 02.12.2022 |
| Quarter-finals | Kopp S./Lemstra K. | Hermans M./Veldheer M. | 0:2 (2:6, 4:6) | details | 01.12.2022 |
| 1/8-finals | Kekercheni F./Nano M. | Hermans M./Veldheer M. | 0:2 (2:6, 4:6) | details | 30.11.2022 |
Greece: M25 Heraklion 2 - Doubles - Main |
| 1/8-finals | Hermans M./Veldheer M. | Antonopoulos C./Skorilas A. | 0:2 (1:6, 3:6) | details | 24.11.2022 |
Greece: M25 Heraklion - Doubles - Main |
| 1/8-finals | Hermans M./Veldheer M. | Jones A./Rodriguez D. | 1:2 (4:6, 6:3, 6:10) | details | 15.11.2022 |
France: M25+H Rodez - Doubles - Main |
| Final | Babic Z./Walkin B. | Hermans M./Veldheer M. | 0:2 (3:6, 4:6) | details | 15.10.2022 |
| Semi-finals | Martineau M./Reymond A. | Hermans M./Veldheer M. | 0:0 RET. (0:2) | details | 14.10.2022 |
| Quarter-finals | Haliak M./Wallart E. | Hermans M./Veldheer M. | WO. | details | 13.10.2022 |
| 1/8-finals | Dando J./Ocampos-Rossi N. | Hermans M./Veldheer M. | 0:2 (4:6, 4:6) | details | 11.10.2022 |
Netherlands: M25 Oldenzaal - Doubles - Main |
| Quarter-finals | Hermans M./Veldheer M. | Endler M. O./Zukas M. | WO. | details | 25.08.2022 |
| 1/8-finals | Hermans M./Veldheer M. | Lane L./Larwig N. | 2:0 (6:3, 6:2) | details | 23.08.2022 |