| Slovenia Int. | 2021/05/20 12:00 | Ivan Rusev v Karl Kert | W | 2-0 |
| Estonian International - Kvalifikation | 2024/01/11 09:00 | Ivan Rusev v Adnan Ebrahim | L | 1-2 |
| Welsh International - Kvalifikation | 2023/11/28 14:00 | Yohan Barbieri v Ivan Rusev | L | 2-1 |
| Welsh International - Kvalifikation | 2023/11/28 09:35 | Sen Thomas v Ivan Rusev | W | 0-2 |
| Irish Open - Kvalifikation | 2023/11/15 12:30 | Yanis Gaudin v Ivan Rusev | L | 2-0 |
| Irish Open - Kvalifikation | 2023/11/15 09:40 | Adam Mcallister v Ivan Rusev | W | 0-2 |
| Abu Dhabi Masters - Kvalifikation | 2023/10/17 12:50 | Nachakorn Pusri v Ivan Rusev | L | 2-0 |
| Dutch Open - Kvalifikation | 2023/10/11 14:00 | Dennis Koppen v Ivan Rusev | L | 2-1 |
| Dutch Open - Kvalifikation | 2023/10/11 12:35 | Ivan Rusev v Rakesh Sharma | W | 2-0 |
| Polish Open - Kvalifikation | 2024/03/20 08:00 | Karl Kert v Sebastian Pinkowicz | W | 2-0 |
| Swedish Open - Kvalifikation | 2024/01/18 10:20 | Romeo Makboul v Karl Kert | L | 2-0 |
| Estonian International | 2024/01/12 10:55 | Karl Kert v Subhankar Dey | L | 0-2 |
| Irish Open - Kvalifikation | 2023/11/15 09:20 | Filip Karlborg v Karl Kert | L | 2-0 |
| Norwegian International | 2023/11/10 16:20 | Karl Kert v Yanis Gaudin | L | 0-2 |
| Norwegian International | 2023/11/10 11:00 | Karl Kert v Tino Daoudal | W | 2-1 |
| Croatian International | 2023/09/29 16:50 | Karl Kert v Valentin Singer | L | 0-2 |
| Croatian International | 2023/09/29 08:00 | Karl Kert v Mykhailo Vyshnevyi | W | 2-0 |