| Date | R | HEIM v AUSWÄRTS | - |
|---|---|---|---|
| 05/15 07:00 | 25 | Alessandro Petrone v Nikita Mashtakov | 5-7,6-4,6-3 |
| 05/18 07:00 | 26 | Kamil Majchrzak v Nikita Mashtakov | 6-2,6-0 |
| 05/17 12:00 | 25 | Nikita Mashtakov v Michel Vernier | 4-6,6-4,6-2 |
| 05/19 11:45 | 26 | Kamil Majchrzak v Nikita Mashtakov | 6-1,6-4 |
| 05/18 10:00 | 25 | Gleb Alekseenko v Nikita Mashtakov | 4-6,4-6 |
| 05/16 07:00 | 44 | Bjoern Petersen v Nikita Mashtakov | Retired |
| 05/15 07:00 | 44 | Roman Boychuk v Nikita Mashtakov | 6-7,5-7 |
| 05/19 11:40 | - | Nikita Mashtakov v Thomas Grinberg | 2-6,1-6 |