| Abu Dhabi Masters | 2023/10/18 06:40 | Samuel Hsiao v S.K. Karunakaran | L | 0-2 |
| Scottish Open | 2023/10/06 08:40 | Pablo Abian v Samuel Hsiao | L | 2-0 |
| Kaohsiung Masters | 2023/09/27 07:25 | Samuel Hsiao v Huang, P,-H. | L | 1-2 |
| Indonesia Masters | 2023/09/05 12:45 | Jhuo-Fu Liao v Samuel Hsiao | L | 2-1 |
| Taipei Open | 2023/06/21 03:10 | Parupalli, Kashyap v Samuel Hsiao | L | 2-0 |
| Taipei Open Qual | 2023/06/20 04:40 | Yu Kai Huang v Samuel Hsiao | W | 1-2 |
| Taipei Open Qual | 2023/06/20 02:55 | Elias Bracke v Samuel Hsiao | W | 0-2 |
| Denmark Masters | 2023/06/09 13:40 | Lucas Claerbout v Samuel Hsiao | L | 2-1 |
| Hungarian Int. | 2023/11/03 09:40 | Joel Koenig v Heino, Iikka | L | 0-2 |
| Hungarian Int. | 2023/11/02 12:45 | Joel Koenig v Bruno Carvalho | W | 2-0 |
| Dutch Open | 2023/10/12 14:00 | Joel Koenig v Christensen, Jeppe Bruun | L | 0-2 |
| Nouvelle Aquitane Future Series | 2023/07/08 00:50 | Bruno Carvalho v Joel Koenig | L | 2-1 |
| Nouvelle Aquitane Future Series | 2023/07/07 14:00 | Neil Bhabuta v Joel Koenig | W | 0-2 |
| Nouvelle Aquitane Future Series | 2023/07/07 08:20 | Paul Tournefier v Joel Koenig | W | 0-2 |
| International de Bonn | 2023/06/01 12:00 | Joel Koenig v Kho Wibowo, H. | L | 0-2 |
| Open de Suède | 2023/05/12 10:10 | Joel Koenig v Burestedt, Felix | L | 1-2 |