| Slovenia Future Series Qual | 2021/11/25 19:40 | Jan Janostik v Palakkal, S. | L | 1-2 |
| Czech Open Qual | 2021/10/21 10:55 | Jan Janostik v Tadeas Brazda | W | 2-0 |
| Cyprus Int. | 2021/10/16 13:00 | Mateusz Danielak v Jan Janostik | L | 2-0 |
| Cyprus Int. Qual | 2021/10/14 15:00 | Andrzej Niczyporuk v Jan Janostik | W | 0-2 |
| Latvia Int. Qual | 2021/08/26 15:00 | Jan Janostik v Gustav Bjorkler | L | 0-2 |
| Latvia Int. Qual | 2021/08/26 11:00 | Maksymilian Danielak v Jan Janostik | W | 0-2 |
| Lithuanian Int. Qual | 2021/06/10 16:30 | Jan Janostik v Gregoire Deschamp | L | 1-2 |
| Lithuanian Int. Qual | 2021/06/10 14:00 | Viacheslav Yakovlev v Jan Janostik | W | 0-2 |
| Irish Open Qual | 2019/11/13 13:35 | Lin, Kuan-Ting v Magee, Joshua | W | 2-0 |
| Indonesia International Challenge 2019, MS | 2019/10/22 13:05 | Lin, Kuan-Ting v Yeoh, Seng Zoe | L | 0-2 |
| Osaka Int. Qual | 2019/04/03 00:30 | Yamashita, Keisuke v Lin, Kuan-Ting | L | 2-1 |
| Open de Suisse - Doubles Femmes - Qualif. | 2019/03/12 06:15 | Yu, Sheng Po v Lin, Kuan-Ting | L | 2-0 |