| Dutch Int. - Doubles Hommes | 2023/04/15 08:50 | Jones/Stallwood v Koppen/Vlaar | W | 1-2 |
| Dutch Int. - Doubles Hommes | 2023/04/14 19:05 | Koppen/Vlaar v Van Delsen/Van Delsen | W | 2-0 |
| Dutch Int. - Doubles Hommes | 2023/04/14 13:45 | Guildea/Pontanosa v Koppen/Vlaar | W | 0-2 |
| Dutch Int. - Doubles Hommes | 2023/04/13 19:20 | Koppen/Vlaar v Andree/Bailoni | W | 2-0 |
| Slovenia Future Series MD | 2022/11/27 10:00 | Espersen R / Kraemer K H v Koppen/Vlaar | L | 2-0 |
| Slovenia Future Series MD | 2022/11/26 15:30 | Koppen/Vlaar v Ducrot L / Frank R | W | 2-0 |
| Slovenia Future Series MD | 2022/11/26 11:20 | Boudier/Pham v Koppen/Vlaar | W | 1-2 |
| Slovenia Future Series MD | 2022/11/25 17:55 | Koppen/Vlaar v Ivancic/Poboljsaj | W | 2-1 |
| Dutch Int. - Doubles Hommes | 2023/04/15 08:50 | Aizawa/Noda v Ichikawa K / Umayahara D | W | 1-2 |
| Dutch Int. - Doubles Hommes | 2023/04/14 19:45 | Ichikawa K / Umayahara D v Lin/Su | W | 2-0 |
| Dutch Int. - Doubles Hommes | 2023/04/14 14:25 | Slepecki/Smilowski v Ichikawa K / Umayahara D | W | 0-2 |
| International du Portugal Doubles Hommes | 2023/03/12 15:20 | Ichikawa K / Umayahara D v Maio/Villeger | L | 1-2 |
| International du Portugal Doubles Hommes | 2023/03/12 10:30 | Ichikawa K / Umayahara D v Aizawa/Noda | W | 2-1 |
| International du Portugal Doubles Hommes | 2023/03/11 17:10 | Easton/Russ v Ichikawa K / Umayahara D | W | 0-2 |
| International du Portugal Doubles Hommes | 2023/03/11 12:20 | Ichikawa K / Umayahara D v MacGregor/Pringle | W | 2-0 |
| International du Portugal Doubles Hommes | 2023/03/10 18:40 | Ichikawa K / Umayahara D v Alava/Sanjurjo | W | 2-0 |