| International de Bonn | 2023/06/02 14:00 | Matthias Kicklitz v Kho Wibowo, H. | L | 2-0 |
| International de Bonn | 2023/06/02 08:10 | Kho Wibowo, H. v Brian Holtschke | W | 2-0 |
| International de Bonn | 2023/06/01 12:00 | Joel Koenig v Kho Wibowo, H. | W | 0-2 |
| International de Bonn - Qualif. | 2023/05/31 16:00 | Kho Wibowo, H. v Magnus Klinggaard | W | 2-1 |
| International de Bonn - Qualif. | 2023/05/31 08:35 | Kho Wibowo, H. v Noah Haase | W | 2-0 |
| Austrian Open - Qualif. | 2023/05/25 15:20 | Kho Wibowo, H. v Po-Wei Wang | L | 0-2 |
| Austrian Open - Qualif. | 2023/05/25 09:40 | Pranay Katta v Kho Wibowo, H. | W | 0-2 |
| Open de Suède - Qualif. | 2023/05/11 14:35 | Simon Baron-Vezilier v Kho Wibowo, H. | L | 2-1 |
| Austrian Open - Qualif. | 2023/05/26 07:40 | Valentin Singer v Jia Jie Tan | L | 0-2 |
| Austrian Open - Qualif. | 2023/05/25 14:35 | Valentin Singer v Orijit Chaliha | W | 2-0 |
| Austrian Open - Qualif. | 2023/05/25 09:30 | Valentin Singer v Ivancic, Miha | W | 2-0 |
| Luxembourg Open | 2023/05/06 08:20 | Valentin Singer v S. Sankar Muthusamy Subramanian | L | 1-2 |
| Luxembourg Open | 2023/05/05 14:00 | Valentin Singer v Daniil Dubovenko | W | 2-1 |
| Luxembourg Open | 2023/05/05 10:20 | Amaury Lievre v Valentin Singer | W | 0-2 |
| Dutch Int. - | 2023/04/14 17:05 | Valentin Singer v Karan Rajan Rajarajan | L | 0-2 |
| Dutch Int. - | 2023/04/14 08:00 | Uriel F C Artiga v Valentin Singer | W | 0-2 |