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 | 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 |
| Parma II, Italy | 2019/06/17 09:10 | Heyman, Christopher v Grills, Jacob | 6-7,1-6 |
| Poznan, Poland | 2019/06/05 09:50 | Gianluca Mager v Heyman, Christopher | 7-6,6-4 |
| Poznan, Poland | 2019/06/03 11:30 | Moraing, Mats v Heyman, Christopher | 3-6,5-7 |
| Gyula, Singles M-ITF-HUN-01A | 2019/05/31 10:50 | Heyman, Christopher v Eriksson, Markus | 3-6,6-2,6-7 |
| Gyula, Singles M-ITF-HUN-01A | 2019/05/30 09:50 | Heyman, Christopher v Joao Lucas Reis da Silva | 6-3,6-4 |
| Gyula, Singles M-ITF-HUN-01A | 2019/05/29 11:35 | Heyman, Christopher v Meraut, Tristan | 3-6,6-3,6-4 |
| ITF - M15 Antalya | 2019/05/26 07:45 | Ergi Kirkin v Heyman, Christopher | 4-6,3-6 |
| ITF - M15 Antalya | 2019/05/25 07:45 | Guttau, Niklas v Heyman, Christopher | 5-7,2-6 |