Stadium: Grandstand Round: 24 Ground: Clay
| Challenger Bratislava | 2019/06/19 08:00 | Sebastian Fanselow v Alexey Vatutin | 4-6,4-6 |
| Challenger Bratislava | 2019/06/17 09:20 | Sebastian Fanselow v Alex Molcan | 7-6,6-3 |
| Challenger Morelos | 2019/02/19 18:00 | Matias Franco Descotte v Sebastian Fanselow | 6-4,6-2 |
| Challenger Chennai | 2019/02/05 06:05 | Mukund Sasikumar v Sebastian Fanselow | 6-3,6-1 |
| Challenger Chennai | 2019/02/04 06:40 | Tung-Lin Wu v Sebastian Fanselow | 4-6,5-7 |
| Challenger Launceston | 2019/01/28 03:15 | Enrique Lopez-Perez v Sebastian Fanselow | 6-4,6-2 |
| Challenger Burnie | 2019/01/25 03:05 | Kamil Majchrzak v Sebastian Fanselow | 6-1,6-2 |
| Challenger Burnie | 2019/01/24 08:00 | Sebastian Fanselow v Marc Polmans | 3-6,6-4,7-6 |
| Challenger Parma | 2019/06/17 09:10 | Christopher Heyman v Jacob Grills | 6-7,1-6 |
| Challenger Poznan | 2019/06/05 09:50 | Gianluca Mager v Christopher Heyman | 7-6,6-4 |
| Challenger Poznan | 2019/06/03 11:30 | Mats Moraing v Christopher Heyman | 3-6,5-7 |
| ITF M25 Gyula | 2019/05/31 10:50 | Christopher Heyman v Markus Eriksson | 3-6,6-2,6-7 |
| ITF M25 Gyula | 2019/05/30 09:50 | Christopher Heyman v Joao Lucas Reis da Silva | 6-3,6-4 |
| ITF M25 Gyula | 2019/05/29 11:35 | Christopher Heyman v Tristan Meraut | 3-6,6-3,6-4 |
| ITF M15 Antalya | 2019/05/26 07:45 | Ergi Kirkin v Christopher Heyman | 4-6,3-6 |
| ITF M15 Antalya | 2019/05/25 07:45 | Niklas Guttau v Christopher Heyman | 5-7,2-6 |