| Slovenien - Future Series - Kval | 2021/11/25 19:40 | Jan Janostik v Sid Palakkal | L | 1-2 |
| Czech Open - Kval | 2021/10/21 10:55 | Jan Janostik v Tadeas Brazda | W | 2-0 |
| Cypern - 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 |
| Litauen - Int. - Kval | 2021/06/10 16:30 | Jan Janostik v Gregoire Deschamp | L | 1-2 |
| Litauen - Int. - Kval | 2021/06/10 14:00 | Viacheslav Yakovlev v Jan Janostik | W | 0-2 |
| Irish Open - Kval | 2019/11/13 13:35 | Kuan-Ting Lin v Joshua Magee | W | 2-0 |
| Indonesia Int. | 2019/10/22 13:05 | Kuan-Ting Lin v Seng Zoe Yeoh | L | 0-2 |
| Osaka Int. - Kval | 2019/04/03 00:30 | Keisuke Yamashita v Kuan-Ting Lin | L | 2-1 |
| Swiss Open - Damdubbel - Kval | 2019/03/12 06:15 | Sheng Po Yu v Kuan-Ting Lin | L | 2-0 |