| Internazionali di Croazia - Qual. | 2023/09/28 11:40 | Djordje Stepanovic v Edvin Hadzihalilovic | W | 1-2 |
| Slovenia Open - Qual. | 2023/05/17 09:40 | Karan Rajan Rajarajan v Edvin Hadzihalilovic | L | 2-0 |
| Internazionali di Bulgaria - Qual. | 2022/10/06 09:55 | Edvin Hadzihalilovic v Viktor Petrovic | L | 0-2 |
| Open d'Austria - Qual. | 2022/05/26 10:50 | Jan Janostik v Edvin Hadzihalilovic | L | 2-0 |
| Internazionali di Slovenia - Qual. | 2022/05/18 07:20 | Edvin Hadzihalilovic v Richard Kuhl | L | 0-2 |
| Open di Slovacchia - Qual. | 2022/03/02 12:15 | Edvin Hadzihalilovic v Michael Tomic | L | 0-2 |
| Slovenia - Future Series - Qual. | 2021/11/25 13:15 | Edvin Hadzihalilovic v Tonni Zhou | L | 0-2 |
| Hellas International - Qual. | 2021/09/02 07:00 | Jonas Østhassel v Edvin Hadzihalilovic | L | 2-0 |
| Internazionali di Croazia - Qual. | 2023/09/28 12:15 | Sebastian Kadlec v Kai Niederhuber | W | 0-2 |
| Internazionali di Polonia - Qual. | 2023/09/21 10:20 | Kai Niederhuber v Arun Kumar Ashok Kumar | W | 2-0 |
| Internazionali di Polonia | 2023/09/21 10:00 | Kai Niederhuber v Aaron Sonnenschein | L | 1-2 |
| Internazionali di Polonia - Qual. | 2023/09/21 07:40 | Kai Niederhuber v Maksymilian Krogulski | W | 2-0 |
| Slovenia - Future Series | 2023/09/08 08:45 | Jeppe Bruun Christensen v Kai Niederhuber | L | 2-1 |
| Internazionali di Bonn - Qual. | 2023/05/31 09:10 | Kai Niederhuber v David K Kristensen | L | 0-2 |
| Open d'Austria - Qual. | 2023/05/25 09:55 | Kai Niederhuber v Jia Jie Tan | L | 0-2 |
| Slovenia Open - Qual. | 2023/05/17 16:45 | Kai Niederhuber v Yaro Van Delsen | L | 1-2 |