| Date | R | HEIM v AUSWÄRTS | - |
|---|---|---|---|
| 02/02 08:55 | 26 | Marcel Zielinski v Alex Barrena | 7-6,2-6,4-6 |
| 02/01 10:30 | 25 | Aleksandr Lobanov v Marcel Zielinski | 4-6,0-6 |
| 01/31 08:50 | 62 | Marcel Zielinski v Lazar Vojinovic | 6-1,6-1 |
| 01/30 11:45 | 62 | Marcel Zielinski v Jannik Maute | 6-4,6-1 |
| 03/17 07:00 | 26 | Viacheslav Bielinskyi v Marcel Zielinski | 6-4,6-4 |
| 03/16 09:40 | 25 | Marcel Zielinski v Denis Yevseyev | Retired |
| 03/15 07:00 | 62 | Matas Vasiliauskas v Marcel Zielinski | 2-6,2-6 |