| Bonn Int. Qual | 2023/05/31 10:30 | Rui Yang Ryan Tan v Jan Janostik | L | 2-1 |
| Austrian Open Qual | 2023/05/25 11:00 | Jan Janostik v Harsheel Dani | L | 0-2 |
| Austrian Open Qual | 2023/05/25 08:35 | Jan Janostik v Dhruv Kumar | W | 2-0 |
| Polish Open Qual | 2023/03/22 09:10 | Keith Mark Edison v Jan Janostik | L | 2-0 |
| Slovenia Future Series Qual | 2022/11/25 09:45 | Guilhem Hoyaux v Jan Janostik | L | 2-0 |
| Slovenia Future Series Qual | 2022/11/24 18:50 | Sebastian Mikkelsen v Jan Janostik | W | 0-2 |
| Czech Open | 2022/10/21 08:00 | Jan Janostik v Julien Scheiwiller | L | 0-2 |
| Czech Open Qual | 2022/10/20 18:40 | Maj Poboljsaj v Jan Janostik | W | 0-2 |
| Latvia Int. | 2023/09/02 12:20 | Kian-Yu Oei v Valentin Singer | L | 1-2 |
| Latvia Int. | 2023/09/02 06:20 | Mads Emil Monke v Kian-Yu Oei | W | 1-2 |
| Latvia Int. | 2023/09/01 12:00 | Finn Achthoven v Kian-Yu Oei | W | 1-2 |
| Nouvelle Aquitane Future Series | 2023/07/07 15:45 | Ethan Rose v Kian-Yu Oei | L | 2-0 |
| Nouvelle Aquitane Future Series | 2023/07/07 10:30 | Diogo Gloria v Kian-Yu Oei | W | 0-2 |
| Lithuanian Int. | 2023/06/11 10:00 | Matthias Kicklitz v Kian-Yu Oei | L | 2-0 |
| Lithuanian Int. | 2023/06/11 07:20 | Nicolas A. Mueller v Kian-Yu Oei | W | 0-2 |
| Lithuanian Int. | 2023/06/10 15:30 | Kian-Yu Oei v Henrikho Kho Wibowo | W | 2-0 |