| TT Star Series | 2023/04/28 08:15 | Adam Klajber v Tibor Spanik | L | 1-3 |
| TT Star Series | 2023/04/28 06:00 | Adam Klajber v Petr David | L | 1-3 |
| Oman Open U21 Women | 2023/04/05 19:00 | Adam Klajber v Daniels Kogans | W | 4-1 |
| Oman Open U21 Women | 2023/04/05 10:45 | Adam Klajber v Radim Moravek | W | 4-1 |
| WTT Feeder Dusseldorf II Quals | 2023/02/21 10:55 | Thibault Poret v Adam Klajber | L | 3-0 |
| TT Star Series | 2023/02/04 13:54 | Tibor Spanik v Adam Klajber | L | 3-2 |
| TT Star Series | 2023/02/04 13:20 | Adam Klajber v Soumyajit Ghosh | L | 1-3 |
| TT Star Series | 2023/02/04 12:15 | Martin Pytlik v Adam Klajber | W | 0-3 |
| TT Star Series | 2023/04/28 08:45 | Jakub Seibert v John Oyebode | L | 2-3 |
| TT Star Series | 2023/04/28 07:10 | Jakub Seibert v Milo De Boer | L | 1-3 |
| Czech Extraleague | 2023/04/26 16:40 | Jakub Seibert v Tomas Martinko | L | 0-3 |
| TT Star Series | 2023/04/25 10:45 | Patrik Klos v Jakub Seibert | L | 3-0 |
| TT Star Series | 2023/04/25 08:15 | Hampus Nordberg v Jakub Seibert | L | 3-0 |
| TT Star Series | 2023/04/25 06:35 | Oleksandr Tymofieiev v Jakub Seibert | L | 3-1 |
| TT Star Series | 2023/04/24 13:45 | Jakub Seibert v Elias Ranefur | L | 1-3 |
| TT Star Series | 2023/04/24 11:45 | Jakub Seibert v Viktor Yefimov | L | 2-3 |