Stadium: COURT 1 Round: 29 Ground: Clay
| Brussels, Singles M-ITF-BEL-03A | 2019/08/03 11:00 | Heyman, Christopher v Nick Hardt | 6-2,6-3 |
| Brussels, Singles M-ITF-BEL-03A | 2019/08/02 13:15 | Heyman, Christopher v Boehler, Dominik | 7-6,6-4 |
| Brussels, Singles M-ITF-BEL-03A | 2019/08/01 12:45 | Heyman, Christopher v Heuvinck, Tuur | 6-2,6-2 |
| Brussels, Singles M-ITF-BEL-03A | 2019/07/30 13:15 | Heyman, Christopher v Minin, Matvey | 6-4,6-1 |
| Challenger Tampere | 2019/07/23 07:00 | Zhurbin, Alexander v Heyman, Christopher | 6-4,6-2 |
| Challenger Amersfoort | 2019/07/16 11:30 | Heyman, Christopher v Mohamed Safwat | 2-6,1-6 |
| Challenger Amersfoort | 2019/07/15 10:00 | Avidzba, Alen v Heyman, Christopher | 3-6,2-6 |
| Ludwigshafen, Allemagne | 2019/07/02 11:20 | Daniel Elahi Galan v Heyman, Christopher | 6-1,6-2 |
| Brussels, Singles M-ITF-BEL-03A | 2019/08/03 11:00 | Guy Den Heijer v Jesper De Jong | 6-4,4-6,6-0 |
| Brussels, Singles M-ITF-BEL-03A | 2019/08/02 13:45 | Michael Geerts v Guy Den Heijer | 3-6,7-5,4-6 |
| Brussels, Singles M-ITF-BEL-03A | 2019/08/01 08:00 | Guy Den Heijer v Hamou, Maxime | 3-6,6-4,6-2 |
| Brussels, Singles M-ITF-BEL-03A | 2019/07/31 12:00 | Guy Den Heijer v Dermiens, Guillaume | 6-3,6-3 |
| Brussels, Singles M-ITF-BEL-03A | 2019/07/29 10:00 | Guy Den Heijer v Kenzlers, Julian | 6-1,6-1 |
| Den Haag, Singles Qualifying M-ITF-NED-02A | 2019/07/05 14:05 | Guy Den Heijer v Geoffrey Blancaneaux | 6-4,1-6,4-6 |
| Den Haag, Singles Qualifying M-ITF-NED-02A | 2019/07/04 07:30 | Martinez, Alex v Guy Den Heijer | 2-6,2-6 |
| Den Haag, Singles Qualifying M-ITF-NED-02A | 2019/07/02 12:55 | Guy Den Heijer v Joao Lucas Reis da Silva | 6-4,6-1 |