| Polish International - Herrendoppel - Qualifikation | 2021/09/23 10:00 | Danielak/Danielak v Ivancic/Lonzaric | L | 0-2 |
| Ukraine International - Herrendoppel | 2021/09/09 11:00 | Danielak/Danielak v Loo/Lwi | L | 0-2 |
| Ukraine International - Herrendoppel | 2021/09/08 11:20 | Amosov/Don v Danielak/Danielak | W | 0-2 |
| Lettland - Latvia International - Herrendoppel | 2021/08/27 16:30 | Danielak/Danielak v Arif/Haikal | L | 0-2 |
| Lettland - Latvia International - Herrendoppel - Qualifikation | 2021/08/27 07:30 | Chang/Jong v Danielak/Danielak | W | 0-2 |
| Lettland - Latvia International - Herrendoppel - Qualifikation | 2021/08/26 12:00 | Gureckis/Livins v Danielak/Danielak | W | 0-2 |
| Austrian Open - Herrendoppel - Qualifikation | 2021/05/28 08:30 | Kral/Mendrek v Danielak/Danielak | L | 2-0 |
| Polish Open - Herrendoppel - Qualifikation | 2021/03/25 09:20 | Danielak/Danielak v Baschwitz/Leal | L | 0-2 |
| Hellas International - Herrendoppel | 2021/09/03 14:45 | Russ/Smith v Tentas/Tsigirdakis | L | 2-0 |
| Cyprus International - Herrendoppel | 2019/10/12 15:15 | Flaatten/Rikheim v Tentas/Tsigirdakis | L | 2-0 |