| ITF M15 Antalya | 04/14 10:30 | 25 | Ivan Sergeyev v Constantin Schmitz | 6-3,5-7,6-3 | |
| ITF M15 Antalya | 04/08 06:55 | 26 | Flavio Cobolli v Constantin Schmitz | 7-6,7-6 | |
| ITF M15 Antalya | 04/06 07:00 | 25 | Constantin Schmitz v Bogdan Bobrov | 6-1,6-4 | |
| ITF M15 Antalya | 03/30 08:30 | 25 | Pol M Tiffon v Constantin Schmitz | 6-4,7-6 | |
| ITF M15 Antalya | 03/26 07:00 | 26 | Georgii Kravchenko v Constantin Schmitz | 6-2,6-3 | |
| ITF M15 Antalya | 03/24 07:30 | 25 | Constantin Schmitz v Pedro Vives Marcos | 6-3,6-3 | |
| ITF M15 Monastir | 03/10 10:30 | 25 | Yannick Mertens v Constantin Schmitz | 6-0,6-2 | |
| ITF M15 Monastir | 03/04 08:30 | 26 | Mateus D C C Alves v Constantin Schmitz | 6-3,6-4 | |
| ITF M15 Monastir | 03/02 08:30 | 25 | Constantin Schmitz v Christoph Negritu | 6-4,7-6 | |
| ITF M15 Monastir | 02/23 08:00 | 25 | Constantin Schmitz v Jose Fco. Vidal Azorin | 6-4,3-6,4-6 | |
| ITF M15 Alkmaar | 08/25 14:30 | 25 | Constantin Schmitz v Benjamin Hassan | 4-6,6-3,3-6 | |
| Tennis Point Exhibition Series | 08/01 09:30 | 44 | Constantin Schmitz v Benjamin Hassan | 6-7,7-6,0-6 |