Round: 44
| ITF M15 Antalya | 2020/01/07 08:00 | Fabrizio Ornago v Luca Gelhardt | 6-2,3-6,6-2 |
| ITF M15 Antalya | 2019/12/13 08:15 | Luca Gelhardt v Ronald Slobodchikov | 1-6,2-6 |
| ITF M15 Antalya | 2019/12/10 11:00 | Luca Gelhardt v Darko Jandric | 6-2,6-1 |
| ITF M15 Antalya | 2019/12/06 09:05 | Luca Gelhardt v Ronald Slobodchikov | 2-6,3-6 |
| ITF M15 Antalya | 2019/12/05 10:10 | Luca Gelhardt v Yasha Zemel | 6-1,7-6 |
| ITF M15 Antalya | 2019/12/03 07:00 | Andrey Chepelev v Luca Gelhardt | 0-6,3-6 |
| ITF M15 Antalya | 2019/11/29 07:00 | Luca Gelhardt v Ronald Slobodchikov | 1-6,4-6 |
| ITF M15 Antalya | 2019/11/28 09:40 | Alvaro Lopez San Martin v Luca Gelhardt | 5-7,2-6 |
| ITF M15 Doha | 2020/03/12 11:55 | Constantin Schmitz v Daniil Glinka | 6-3,6-3 |
| ITF M15 Doha | 2020/03/11 15:00 | Constantin Schmitz v Mousa Shanan Zayed | 6-1,6-3 |
| ITF M15 Heraklion | 2020/03/04 08:30 | Constantin Schmitz v Lenny Hampel | 6-7,6-2,3-6 |
| ITF M15 Heraklion | 2020/02/26 11:00 | Constantin Schmitz v Kai Wehnelt | 4-6,6-7 |
| ITF M15 Lambermont | 2019/08/23 13:30 | Mathieu Perchicot v Constantin Schmitz | 6-2,6-1 |
| ITF M15 Lambermont | 2019/08/22 11:45 | Nicolas Uryson v Constantin Schmitz | 3-6,0-6 |
| ITF M15 Lambermont | 2019/08/21 13:20 | Tom Pisane v Constantin Schmitz | 4-6,3-6 |
| ITF M15 Trier | 2019/08/17 09:00 | Adrian Obert v Constantin Schmitz | 6-4,6-3 |