| ITF M25 Split | 04/27 09:25 | 25 | [413] Christopher Heyman v Alexander Donski [367] | 6-2,6-1 | |
| Challenger Split | 04/17 13:40 | 14 | [414] Christopher Heyman v Henri Squire [353] | 1-6,2-6 | |
| Challenger Murcia | 04/07 15:10 | 26 | [379] Carlos Gimeno Valero v Christopher Heyman [422] | 6-3,6-3 | |
| Challenger Murcia | 04/06 10:35 | 25 | [275] Alexander Shevchenko v Christopher Heyman [422] | 4-6,6-7 | |
| Challenger Murcia | 04/04 09:00 | 19 | [340] Oleksii Krutykh v Christopher Heyman [422] | 7-6,6-2 | |
| Challenger Murcia | 04/03 09:00 | 14 | [403] Ryan Nijboer v Christopher Heyman [425] | 4-6,1-6 | |
| Challenger Marbella | 03/28 08:00 | 19 | [281] Javier Barranco Cosano v Christopher Heyman [425] | 6-3,6-4 | |
| Challenger Marbella | 03/27 12:20 | 14 | Joshua Schaefer v Christopher Heyman | 0-6,1-6 | |
| Challenger Lille | 03/20 18:25 | 14 | [422] Christopher Heyman v Michael Geerts [338] | 2-6,1-6 | |
| ITF M25 Portimao | 03/09 13:00 | 25 | Christopher Heyman v Michael Vrbensky | Cancelled | |
| ITF M25 Faro | 03/02 10:00 | 25 | Jorge Martinez Martinez v Christopher Heyman | 6-7,6-3,6-2 | |
| ITF M25 Vale Do Lobo | 02/26 12:15 | 28 | [397] Laurent Lokoli v Christopher Heyman [435] | 6-2,6-4 | |
| ITF M25 Vale Do Lobo | 02/25 10:30 | 27 | Edan Leshem v Christopher Heyman | 6-0,2-6,0-6 | |
| ITF M25 Vale Do Lobo | 02/24 12:30 | 26 | [499] Kenny de Schepper v Christopher Heyman [435] | 2-6,3-6 | |
| ITF M25 Vale Do Lobo | 02/23 11:45 | 25 | Vilius Gaubas v Christopher Heyman | 3-6,3-6 | |
| Challenger Bratislava | 11/07 09:30 | 14 | [421] Marvin Moeller v Christopher Heyman [396] | 7-6,6-4 | |
| Challenger Eckental | 11/02 09:00 | 25 | [186] Marc-Andrea Huesler v Christopher Heyman [396] | 6-1,6-1 | |
| Challenger Eckental | 11/01 10:00 | 19 | [338] Mischa Zverev v Christopher Heyman [396] | 3-6,6-3,2-6 | |
| Challenger Eckental | 10/31 10:00 | 14 | [423] Aldin Setkic v Christopher Heyman [398] | 4-6,5-7 | |
| ITF M25 Nevers | 10/06 13:00 | 25 | Christopher Heyman v Luca Van Assche | 4-6,6-7 | |
| Challenger Lisbon | 09/26 10:45 | 14 | [381] Christopher Heyman v Lucas Gerch [450] | 4-6,7-6,5-7 | |
| Challenger Biel | 09/19 09:30 | 14 | [286] Jakub Paul v Christopher Heyman [400] | 7-6,4-6,7-5 | |
| Challenger Istanbul | 09/16 08:00 | 26 | [129] Yasutaka Uchiyama v Christopher Heyman [400] | 3-6,6-3,6-4 | |
| Challenger Istanbul | 09/14 08:40 | 25 | [400] Christopher Heyman v Andrea Arnaboldi [286] | 3-6,6-2,6-4 | |
| Challenger Istanbul | 09/13 07:30 | 19 | [314] Geoffrey Blancaneaux v Christopher Heyman [405] | 4-6,4-6 | |
| Challenger Istanbul | 09/12 08:00 | 14 | [443] Artem Dubrivnyy v Christopher Heyman [405] | 3-6,2-6 | |
| Challenger Warsaw | 08/23 09:00 | 19 | [399] Christopher Heyman v Daniel Michalski [448] | 5-7,3-6 | |
| Challenger Warsaw | 08/22 09:00 | 14 | [400] Christopher Heyman v Patrik Niklas-Salminen [485] | 6-1,6-3 | |
| ITF M25 Koksijde | 08/20 10:35 | 27 | Mathieu Perchicot v Christopher Heyman | 6-4,6-4 | |
| ITF M25 Koksijde | 08/19 08:00 | 26 | [400] Christopher Heyman v Aidan Mchugh [389] | 7-6,6-4 |