Stadion: Court 1 Round: 27 Ground: Hardcourt outdoor
| ITF - M15 - Sozopol - Herrendoppel | 2021/10/06 11:30 | Draganov/Nedelchev v Lazarov/Lazarov | 4-6,0-6 |
| ITF - M15 - Sozopol - Herrendoppel | 2021/10/05 15:30 | Milushev/Shandarov v Handel/Steinegger | 2-6,2-6 |
| ITF - M25 - Trier - Herrendoppel | 2021/08/27 14:45 | Wehnelt/Zahraj v Handel/Steinegger | 6-4,6-7,10-6 |
| ITF - M25 - Trier - Herrendoppel | 2021/08/26 14:10 | Agabigun/Schmitz v Handel/Steinegger | 7-6,4-6,6-10 |
| ITF - M25 - Marburg - Herrendoppel | 2021/07/10 15:20 | De Jonge/Ouden v Handel/Steinegger | 2-6,6-4,11-9 |
| ITF - M25 - Marburg - Herrendoppel | 2021/07/09 13:30 | Cubelic/Woerner v Handel/Steinegger | 4-6,6-2,7-10 |
| ITF - M25 - Marburg - Herrendoppel | 2021/07/08 13:30 | Handel/Steinegger v Schell/Schmitz | 6-2,6-2 |
| ITF - M25 - Marburg - Herrendoppel | 2021/07/07 14:00 | Handel/Steinegger v Melzer/Sudzum | 6-1,7-6 |