| Croatian Int. | 2023/09/29 11:00 | Jan Janostik v Thomas Fourcade | L | 0-2 |
| Croatia Int. Qual | 2023/09/28 19:00 | Michael Schausberger v Jan Janostik | W | 0-2 |
| Croatia Int. Qual | 2023/09/28 14:40 | Jan Janostik v Zoltan Kereszti | W | 2-0 |
| Croatia Int. Qual | 2023/09/28 07:20 | Jan Janostik v Iljo Van Delsen | W | 2-0 |
| Slovenia Future Series | 2023/09/08 09:20 | Jan Janostik v Kian-Yu Oei | L | 0-2 |
| 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 |
| Lithuanian Int. Qual | 2023/06/09 06:00 | Jan Wilczak v Ethan Rose | L | 0-2 |
| Lithuanian Int. Qual | 2023/06/08 17:20 | Rasmus Careo Christensen v Jan Wilczak | W | 0-2 |
| Lithuanian Int. Qual | 2023/06/08 09:30 | Volodymyr Koluzaiev v Jan Wilczak | W | 0-2 |
| Polish Open Qual | 2023/03/22 08:35 | Jan Wilczak v Collins Valentine Filimon | L | 0-2 |
| Polish Open Qual | 2022/03/24 19:20 | Jan Wilczak v Anirudh Janardhanan | L | 0-2 |
| Polish Open Qual | 2022/03/24 11:10 | Jan Wilczak v Gal Bizjak | W | 2-0 |