Stadium: Court 2 Round: 27 Ground: Hardcourt indoor
| ITF Germany F15 | 2018/10/11 15:25 | Stefan Seifert v Karlo Cubelic | 6-4,6-7,6-2 |
| ITF Germany F15 | 2018/10/10 16:45 | Stefan Seifert v Piotr Galus | 6-1,6-2 |
| ITF Germany F11 | 2018/08/07 09:00 | Constantin Schmitz v Stefan Seifert | 7-5,2-6,6-2 |
| ITF Ireland F1 | 2018/08/04 12:45 | Stefan Seifert v Ryan James Storrie | 3-6,7-6,3-6 |
| ITF Ireland F1 | 2018/08/03 13:15 | George Botezan v Stefan Seifert | 5-7,0-6 |
| ITF Ireland F1 | 2018/08/02 13:05 | Daniil Zarichanskiy v Stefan Seifert | 2-6,1-6 |
| ITF Ireland F1 | 2018/07/31 14:20 | Michael Shaw v Stefan Seifert | 7-6,4-6,3-6 |
| Challenger Braunschweig Qual | 2018/07/07 15:00 | Stefan Seifert v Jan Satral | 6-7,2-6 |
| ITF Germany F15 | 2018/10/11 11:10 | Oleksii Krutykh v Vadym Ursu | 6-3,2-6,2-6 |
| ITF Germany F15 | 2018/10/09 09:00 | Vadym Ursu v Hugo Voljacques | 6-3,7-6 |
| ITF Germany F14 | 2018/10/03 10:00 | Vadym Ursu v Paul Cayre | 5-7,2-6 |
| ITF Kazakhstan F8 | 2018/09/24 06:35 | Vadym Ursu v Yan Bondarevskiy | 6-4,1-6,3-6 |
| ITF Kazakhstan F7 | 2018/09/18 05:15 | Vadym Ursu v Sagadat Ayap | 5-7,4-6 |
| ITF Ukraine F4 | 2018/08/28 13:00 | Roman Khassanov v Vadym Ursu | 6-2,6-2 |
| ITF Belgium F7 | 2018/08/07 16:35 | Takashi Saito v Vadym Ursu | 6-7,6-3,7-6 |
| ITF Belgium F7 Qual | 2018/08/06 09:00 | Vadym Ursu v Tom Pisane | 2-6,6-2,6-2 |