| Slovenia Open Quals | 05/15 14:43 | - | Janostik, Jan v Yu-Han Hsu | L | 0-2 | |
| Slovak Open Qual | 04/18 07:35 | - | Dhruv Rawat v Janostik, Jan | L | 2-0 | |
| Slovak Open Qual | 04/17 14:00 | - | Janostik, Jan v Adam Konczol | W | 2-0 | |
| Slovak Open Qual | 04/17 08:55 | - | Janostik, Jan v Krajewski, Piotr | W | 2-0 | |
| Polish Open Qual | 03/21 09:10 | - | Janostik, Jan v Gregoire Deschamp | L | 0-2 | |
| Polish Open | 03/20 18:30 | - | Janostik, Jan v Jan Wilczak | W | 2-0 | |
| Polish Open Qual | 03/20 09:45 | - | Janostik, Jan v Andrzej Niczyporuk | W | 2-1 | |
| Spanish Int. Qual | 11/13 12:05 | - | Alejandro Lopez v Janostik, Jan | W | 0-2 | |
| Norwegian Int. Qual | 11/09 17:30 | - | Janostik, Jan v Alexander Pedersen | L | 0-2 | |
| Norwegian Int. Qual | 11/09 09:40 | - | Deepak Pillai v Janostik, Jan | W | 0-2 | |
| Hungarian Int. | 11/02 15:05 | - | Janostik, Jan v William Bøgebjerg | L | 0-2 | |
| Hungarian Int. Qual | 11/02 08:00 | - | 하우토프, 센 v Janostik, Jan | W | 1-2 | |
| Hungarian Int. Qual | 11/01 16:45 | - | Janostik, Jan v Maj Poboljsaj | W | 2-0 | |
| Hungarian Int. Qual | 11/01 09:10 | - | Janostik, Jan v Ziga Podgorsek | W | 2-0 | |
| Croatian Int. | 09/29 11:00 | - | Janostik, Jan v Fourcade, Thomas | L | 0-2 | |
| Croatia Int. Qual | 09/28 19:00 | - | 샤우스버거, 마이클 v Janostik, Jan | W | 0-2 | |
| Croatia Int. Qual | 09/28 14:40 | - | Janostik, Jan v 케레즈티, 졸탄 | W | 2-0 | |
| Croatia Int. Qual | 09/28 07:20 | - | Janostik, Jan v Iljo Van Delsen | W | 2-0 | |
| Slovenia Future Series | 09/08 09:20 | - | Janostik, Jan v Kian-Yu Oei | L | 0-2 | |
| Slovenia Future Series | 09/07 10:30 | - | Janostik, Jan v Edvard Hylander | - | Walkover | |
| Bonn Int. Qual | 05/31 10:30 | - | Rui Yang Ryan Tan v Janostik, Jan | L | 2-1 | |
| Austrian Open Qual | 05/25 11:00 | - | Janostik, Jan v 다니, 하르시엘 | L | 0-2 | |
| Austrian Open Qual | 05/25 08:35 | - | Janostik, Jan v Kumar, Dhruv | W | 2-0 | |
| Polish Open Qual | 03/22 09:10 | - | 에리슨, 키스 마크 v Janostik, Jan | L | 2-0 | |
| Slovenia Future Series Qual | 11/25 09:45 | - | Guilhem Hoyaux v Janostik, Jan | L | 2-0 | |
| Slovenia Future Series Qual | 11/24 18:50 | - | Sebastian Mikkelsen v Janostik, Jan | W | 0-2 | |
| Czech Open | 10/21 08:00 | - | Janostik, Jan v 셰이윌러, 줄리앙 | L | 0-2 | |
| Czech Open Qual | 10/20 18:40 | - | Maj Poboljsaj v Janostik, Jan | W | 0-2 | |
| Czech Open Qual | 10/20 15:00 | - | 사빈, 크리스티안 v Janostik, Jan | W | 0-2 | |
| Czech Open Qual | 10/20 08:10 | - | Janostik, Jan v Gregor Alic | W | 2-0 |