| 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 | 2023/02/04 10:45 | Soumyajit Ghosh v Adam Klajber | L | 3-0 |
| TT Star Series | 2023/02/04 08:45 | Siddhesh Pande v Adam Klajber | W | 0-3 |
| TT Star Series | 2023/04/27 12:56 | Viktor Yefimov v Petr David | W | 2-3 |
| TT Star Series | 2023/04/27 12:45 | Petr David v Elias Ranefur | L | 0-3 |
| TT Star Series | 2023/04/27 11:45 | Milo De Boer v Petr David | W | 1-3 |
| TT Star Series | 2023/04/27 09:45 | Petr David v Viktor Yefimov | W | 3-2 |
| TT Star Series | 2023/04/27 07:10 | Elias Ranefur v Petr David | W | 1-3 |
| TT Star Series | 2023/04/26 13:45 | John Oyebode v Petr David | W | 0-3 |
| TT Star Series | 2023/04/26 11:15 | Patrik Klos v Petr David | L | 3-2 |
| TT Star Series | 2023/04/26 08:45 | Hampus Nordberg v Petr David | W | 1-3 |