| Latvia Int. | 2023/09/02 12:20 | Kian-Yu Oei v Valentin Singer | W | 1-2 |
| Cseh Open | 2023/10/20 15:30 | Valentin Singer v Gustav Bjorkler | L | 0-2 |
| Croatian Int. | 2023/09/30 08:20 | Aria Dinata v Valentin Singer | L | 2-0 |
| Croatian Int. | 2023/09/29 16:50 | Karl Kert v Valentin Singer | W | 0-2 |
| Croatian Int. | 2023/09/29 10:20 | David Silva v Valentin Singer | W | 0-2 |
| Belgian Int. | 2023/09/14 10:40 | Julien Carraggi v Valentin Singer | L | 2-0 |
| Latvia Int. | 2023/09/03 06:20 | Daniil Dubovenko v Valentin Singer | L | 2-1 |
| Latvia Int. | 2023/09/02 12:20 | Kian-Yu Oei v Valentin Singer | W | 1-2 |
| Latvia Int. | 2023/09/02 07:10 | Tauri Kilk v Valentin Singer | W | 1-2 |
| Dutch Open | 2023/10/12 10:00 | Kian-Yu Oei v Victor Svendsen | L | 0-2 |
| Croatian Int. | 2023/09/30 14:00 | Daniil Dubovenko v Kian-Yu Oei | L | 2-1 |
| Croatian Int. | 2023/09/30 08:40 | Kian-Yu Oei v Cholan Kayan | W | 2-0 |
| Croatian Int. | 2023/09/29 12:10 | Kian-Yu Oei v Yohan Barbieri | W | 2-0 |
| Croatian Int. | 2023/09/29 08:00 | Kian-Yu Oei v Mathias Solgaard | W | 2-1 |
| Belgian Int. - selejtezők | 2023/09/13 16:55 | Kian-Yu Oei v Yanis Gaudin | L | 1-2 |
| Belgian Int. - selejtezők | 2023/09/13 14:10 | Kian-Yu Oei v Noah Haase | W | 2-0 |
| Slovenia Future Series | 2023/09/09 07:20 | Aria Dinata v Kian-Yu Oei | L | 2-1 |