Estadio: Center Court Round: 54 Ground: Clay
| Challenger de Ismaning | 2018/10/13 09:00 | Tristan Lamasine v Sven Lemstra | 6-3,6-4 |
| ITF Alemania F14 | 2018/10/03 11:40 | Sven Lemstra v Sandro Kopp | 7-5,4-6,1-6 |
| ITF Alemania F13 | 2018/08/19 14:00 | Matthias Haim v Sven Lemstra | 6-2,6-1 |
| ITF Alemania F12 | 2018/08/13 10:00 | Eduard Guell Bartrina v Sven Lemstra | 6-2,6-1 |
| ITF Alemania F12 | 2018/08/12 13:00 | Sven Lemstra v Alexander Kuerschner | 6-2,7-5 |
| ITF Alemania F12 | 2018/08/12 08:00 | Sven Lemstra v Pietro Pirolt | 6-2,6-3 |
| Challenger de Ismaning - Clasificación | 2017/10/14 15:05 | Sven Lemstra v Kai Lemstra | 2-6,0-6 |
| ITF Alemania F14 | 2017/10/09 10:00 | Johannes Haerteis v Sven Lemstra | 6-3,6-1 |
| ITF M15 Wetzlar | 2019/08/05 12:00 | Keivon Tabrizi v Maik Steiner | 4-6,6-4,10-5 |
| ITF M15 Wetzlar | 2019/08/05 08:00 | Tim Zeitvogel v Maik Steiner | 3-6,0-6 |
| ITF M15 Saarlouis | 2019/07/01 08:00 | Sebastian Prechtel v Maik Steiner | 6-4,4-6,10-7 |
| ITF M15 Tabarka | 2019/05/29 11:00 | Maik Steiner v Jake Hersey | 5-7,3-6 |
| ITF M15 Tabarka | 2019/05/20 08:00 | Mauro De Maio v Maik Steiner | 6-3,7-5 |
| ITF M15 Tabarka | 2019/05/15 09:30 | Mohamed Aziz Dougaz v Maik Steiner | 7-6,6-2 |
| ITF M15 Tabarka | 2019/05/14 08:00 | Maik Steiner v Pedro Ortega | 6-1,6-1 |
| ITF M15 Tabarka | 2019/05/13 08:30 | Maik Steiner v Caspar Schuetze | 6-4,6-2 |