| Date | R | HEIM v AUSWÄRTS | - |
|---|---|---|---|
| 04/16 17:05 | 25 | Gabriel Donev v Simon A Ivanov | 7-6,6-7,5-7 |
| 09/21 09:25 | 26 | Andrey Chepelev v Gabriel Donev | 6-4,7-6 |
| 09/20 11:35 | 25 | Gabriel Donev v Dusan Obradovic | 7-5,6-2 |
| 08/30 09:05 | 25 | Gabriel Donev v Alessandro Bellifemine | 3-6,6-4,2-6 |
| 06/17 17:15 | 27 | Gabriel Donev v Marat Sharipov | 3-6,4-6 |
| 06/17 12:00 | 26 | Lautaro Midon v Gabriel Donev | 0-6,5-7 |
| 06/13 15:55 | 25 | Iliyan Radulov v Gabriel Donev | 2-6,4-6 |