| Austrian Open Qual | 2023/05/25 09:00 | Kian-Yu Oei v Chong King Lim | L | 0-2 |
| Slovenia Open Quals | 2023/05/18 08:40 | Dicky Dwi Pangestu v Kian-Yu Oei | L | 2-1 |
| Slovenia Open Quals | 2023/05/17 17:55 | Kian-Yu Oei v Marton Szerecz | W | 2-0 |
| 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 |
| Austrian Open | 2023/05/27 08:40 | Karan Rajan Rajarajan v Kuan Lin Kuo | L | 2-0 |
| Austrian Open | 2023/05/26 12:20 | Kuan Lin Kuo v Samuel Hsiao | W | 2-0 |
| Slovenia Open Quals | 2023/05/17 13:40 | Jhuo-Fu Liao v Kuan Lin Kuo | L | 2-0 |
| Slovenia Open Quals | 2023/05/17 07:40 | Kuan Lin Kuo v Ivan Rusev | W | 2-0 |
| China Masters | 2023/03/15 04:55 | Zhengze Gao v Kuan Lin Kuo | L | 2-1 |
| Polish Int. | 2022/09/23 14:00 | Jan Louda v Kuan Lin Kuo | L | 2-0 |
| Polish Int. | 2022/09/22 13:40 | Po-Wei Wang v Kuan Lin Kuo | W | 0-2 |
| Polish Int. Qual | 2022/09/22 07:40 | Yu Huang v Kuan Lin Kuo | W | 1-2 |