| Irish Open | 2023/11/16 11:40 | Kian-Yu Oei v Filip Karlborg | L | 0-2 |
| Irish Open - Kvalifikation | 2023/11/15 20:40 | Angus Meldrum v Kian-Yu Oei | W | 0-2 |
| Irish Open - Kvalifikation | 2023/11/15 12:50 | Bruno Carvalho v Kian-Yu Oei | W | 0-2 |
| Hungarian International | 2023/11/03 15:20 | Yen-Chen Ting v Kian-Yu Oei | L | 2-0 |
| Hungarian International | 2023/11/03 11:40 | Kian-Yu Oei v Patrick Zbinden | W | 2-0 |
| Hungarian International | 2023/11/02 12:45 | Valentin Singer v Kian-Yu Oei | W | 1-2 |
| Dutch Open | 2023/10/12 10:00 | Kian-Yu Oei v Victor Svendsen | L | 0-2 |
| Croatian International | 2023/09/30 14:00 | Daniil Dubovenko v Kian-Yu Oei | L | 2-1 |
| Welsh International | 2023/12/02 15:20 | Joakim Oldorff v Cholan Kayan | W | 2-0 |
| Welsh International | 2023/12/02 10:00 | Milan Dratva v Joakim Oldorff | W | 0-2 |
| Welsh International | 2023/12/01 17:00 | Joakim Oldorff v Viktor Ording Kauffman | W | 2-0 |
| Welsh International | 2023/12/01 10:00 | Julien Scheiwiller v Joakim Oldorff | W | 0-2 |
| Welsh International | 2023/11/30 09:35 | Joakim Oldorff v Wolfgang Gnedt | W | 2-0 |
| Irish Open | 2023/11/16 16:00 | Kai Schaefer v Joakim Oldorff | L | 2-1 |
| Irish Open | 2023/11/16 10:20 | Collins Valentine Filimon v Joakim Oldorff | W | 0-2 |
| Norwegian International | 2023/11/10 09:30 | Cheng-Yi Ma v Joakim Oldorff | L | 2-1 |