| Slovenia Open Quals | 2023/05/17 10:30 | Kian-Yu Oei v Daniel Dvorak | W | 2-0 |
| Luxembourg Open Qual | 2023/05/04 12:15 | Kian-Yu Oei v Dennis Koppen | L | 0-2 |
| Luxembourg Open Qual | 2023/05/04 08:40 | Kian-Yu Oei v Filip Karlborg | W | 2-0 |
| Dutch Int. Qual | 2023/04/13 11:30 | Kian-Yu Oei v Keisuke Fujiwara | L | 1-2 |
| Dutch Int. Qual | 2023/04/13 07:40 | Kian-Yu Oei v Kuan-Chih Shih | W | 2-0 |
| Polish Open Qual | 2023/03/22 08:35 | David K Kristensen v Kian-Yu Oei | L | 2-1 |
| Hungarian Int. | 2022/11/03 16:40 | Miha Ivanic v Kian-Yu Oei | L | 2-0 |
| Hungarian Int. Qual | 2022/11/03 08:00 | Mateusz Danielak v Kian-Yu Oei | W | 1-2 |
| Slovenia Future Series Qual | 2022/11/24 17:20 | Jaka Ivancic v Marton Szerecz | L | 2-1 |
| Slovenia Future Series Qual | 2022/11/24 08:00 | Nicolai Condratiuc v Marton Szerecz | W | 0-2 |
| Croatian Int. Qual | 2022/09/29 10:00 | Marton Szerecz v Arthur Wakhevitsch | L | 1-2 |
| Portuguese Int. Qual | 2021/05/06 13:30 | Fabian Roth v Marton Szerecz | L | 2-0 |
| European Team Championships | 2020/02/12 16:00 | Marton Szerecz v Julien Carraggi | L | 1-2 |
| European Team Championships | 2020/02/11 16:00 | Arnaud Merkle v Marton Szerecz | L | 2-0 |
| Swiss Open WD Qual | 2018/11/01 09:35 | Marton Szerecz v Albin Carl Hjelm | L | 0-2 |
| Swiss Open WD Qual | 2018/03/15 09:30 | Marton Szerecz v Luke Pearce | L | 1-2 |