Stadium: Center Court Neuss Round: 1
| ITF M25 Karlsruhe | 2019/06/03 09:00 | Adrian Oetzbach v Constantin Schmitz | 6-4,7-5 |
| 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 |
| ITF M15 Trier | 2019/08/16 12:00 | Dominik Boehler v Constantin Schmitz | 1-6,6-4,2-6 |
| ITF M15 Trier | 2019/08/15 12:00 | Constantin Schmitz v Niklas Schell | 6-3,6-4 |
| ITF M15 Trier | 2019/08/14 10:00 | Constantin Schmitz v Hasan Ibrahim | 6-3,6-2 |
| ITF M15 Trier | 2019/08/13 11:05 | Constantin Schmitz v Tim Handel | 6-1,6-2 |
| ITF M15 Austin | 2019/11/20 17:55 | Adrian Oetzbach v Ruan Roelofse | 0-6,3-6 |
| ITF M15 Austin | 2019/11/19 16:00 | Adrian Oetzbach v Leighton Allen | 6-4,2-6,5-10 |
| ITF M15 Austin | 2019/11/18 16:00 | Adrian Oetzbach v Julian Noah Steinhausen | 6-0,6-3 |
| ITF M25 Malibu | 2019/11/06 01:05 | Evan Song v Adrian Oetzbach | 6-7,6-3,6-4 |
| ITF M25 Houston | 2019/09/19 01:05 | Adrian Oetzbach v Alex Rybakov | 2-6,2-6 |
| ITF M15 Trier | 2019/08/14 10:00 | Fabrizio Ornago v Adrian Oetzbach | 6-0,6-2 |
| ITF M15 Trier | 2019/08/13 12:20 | Adrian Oetzbach v Nicolas Uryson | 6-3,6-2 |
| ITF M15 Trier | 2019/08/13 07:30 | Adrian Oetzbach v Lynn Max Kempen | 7-5,6-2 |