| ITF M25 Koksijde | 08/17 08:00 | 25 | Christopher Heyman v Tom Pisane | 6-0,6-3 | |
| ITF M25 Koksijde | 08/16 11:15 | 54 | Christopher Heyman v Max Cunat | 6-2,6-2 | |
| ITF M25 Wetzlar | 08/08 10:00 | 29 | [433] Peter Heller v Christopher Heyman [415] | 6-4,6-7,6-4 | |
| ITF M25 Wetzlar | 08/07 14:10 | 28 | [455] Harold Mayot v Christopher Heyman [415] | 3-6,6-7 | |
| ITF M25 Wetzlar | 08/06 12:00 | 27 | [415] Christopher Heyman v Alexey Vatutin [332] | 6-3,7-5 | |
| ITF M25 Wetzlar | 08/05 11:35 | 26 | Christopher Heyman v Mats Rosenkranz | 6-4,7-6 | |
| ITF M25 Wetzlar | 08/04 08:00 | 25 | Christopher Heyman v Gauthier Onclin | 6-3,6-2 | |
| Challenger Poznan | 07/26 10:00 | 19 | [421] Elmar Ejupovic v Christopher Heyman [416] | 7-6,6-2 | |
| Challenger Poznan | 07/25 13:00 | 14 | Maks Kasnikowski v Christopher Heyman | 3-6,4-6 | |
| ITF M25 Marburg | 07/07 14:55 | 25 | Christopher Heyman v Henri Squire | 5-7,3-6 | |
| ITF M25 The Hague | 07/03 08:00 | 25 | Max Houkes v Christopher Heyman | Cancelled | |
| ITF M25 The Hague | 07/02 14:30 | 27 | [341] Jelle Sels v Christopher Heyman [429] | 6-3,6-0 | |
| ITF M25 The Hague | 07/01 11:40 | 26 | [429] Christopher Heyman v Jesper De Jong [262] | 6-4,7-5 | |
| ITF M25 The Hague | 06/30 12:15 | 25 | Raphael Collignon v Christopher Heyman | 1-6,7-6,3-6 | |
| ITF M25 Alkmaar | 06/26 13:35 | 28 | Nicolas Alvarez Varona v Christopher Heyman | 6-4,3-6,7-6 | |
| ITF M25 Alkmaar | 06/25 11:45 | 27 | [426] Christopher Heyman v Gijs Brouwer [443] | 6-4,6-4 | |
| ITF M25 Alkmaar | 06/24 09:00 | 26 | [346] Kaichi Uchida v Christopher Heyman [426] | 2-6,6-3,6-7 | |
| ITF M25 Alkmaar | 06/22 09:00 | 25 | Christopher Heyman v Alexander Shevchenko | 7-6,6-2 | |
| ITF M15 Antalya | 06/17 07:30 | 26 | Francisco Comesana v Christopher Heyman | 6-4,6-3 | |
| ITF M15 Antalya | 06/16 16:25 | 25 | Michal Dembek v Christopher Heyman | 0-6,2-6 | |
| ITF M15 Antalya | 06/09 09:05 | 25 | Daniel Dutra Da Silva v Christopher Heyman | Retired | |
| ITF M15 Antalya | 05/01 07:20 | 28 | [410] Sandro Ehrat v Christopher Heyman [434] | Retired | |
| ITF M15 Antalya | 04/30 09:30 | 27 | [434] Christopher Heyman v Francesco Forti [428] | 7-5,4-6,6-2 | |
| ITF M15 Antalya | 04/29 11:45 | 26 | Christopher Heyman v Mats Rosenkranz | 4-6,6-4,7-5 | |
| ITF M15 Antalya | 04/28 11:00 | 25 | Christopher Heyman v Nicholas D Ionel | 6-4,6-4 | |
| ITF M15 Antalya | 04/25 09:25 | 29 | Fabian Marozsan v Christopher Heyman | 2-6,6-4,2-6 | |
| ITF M15 Antalya | 04/24 07:30 | 28 | Nicolae Frunza v Christopher Heyman | 3-6,3-6 | |
| ITF M15 Antalya | 04/23 07:00 | 27 | Oleksandr Ovcharenko v Christopher Heyman | 6-3,0-6,6-7 | |
| ITF M15 Antalya | 04/22 08:20 | 26 | Emiliano Maggioli v Christopher Heyman | 5-7,4-6 | |
| ITF M15 Antalya | 04/20 08:30 | 25 | Koray Kirci v Christopher Heyman | 1-6,1-6 |