Stadium: Court 1 Round: 54 Ground: Clay
| ITF - M15 Ueberlingen | 2019/08/19 08:00 | Noah Thurner v Jeremy Schifris | 6-3,7-5 |
| ITF M15 Santa Cristina | 2019/08/12 07:00 | Gian Marco Ortenzi v Noah Thurner | 6-2,6-2 |
| ITF M15 Tabarka | 2019/07/29 07:30 | Miles Jones v Noah Thurner | 7-6,3-6,10-3 |
| ITF M15 Tabarka | 2019/07/22 07:30 | Mattia Barducci v Noah Thurner | 6-3,6-2 |
| ITF M15 Piestany | 2019/05/10 09:05 | Noah Thurner v Artem Dubrivnyy | 6-3,0-6,0-6 |
| ITF M15 Piestany | 2019/05/08 12:25 | Peter Vajda v Noah Thurner | 0-6,6-3,6-7 |
| ITF M15 Piestany | 2019/05/07 08:00 | Brian Bencic v Noah Thurner | 2-6,6-7 |
| ITF M15 Piestany | 2019/05/06 08:00 | Noah Thurner v Martin Zeljenka | 6-3,6-4 |
| ITF - M15 Ueberlingen | 2019/08/19 08:00 | Sven Lemstra v Pietro Schiavetti | 5-7,6-1,10-6 |
| ITF - M15 Trier | 2019/08/12 08:00 | Sven Lemstra v Maik Steiner | 1-6,3-6 |
| Challenger - Ismaning | 2018/10/13 09:00 | Tristan Lamasine v Sven Lemstra | 6-3,6-4 |
| ITF Germany F14 | 2018/10/03 11:40 | Sven Lemstra v Sandro Kopp | 7-5,4-6,1-6 |
| ITF Germany F13 | 2018/08/19 14:00 | Matthias Haim v Sven Lemstra | 6-2,6-1 |
| ITF Germany F12 | 2018/08/13 10:00 | Eduard Guell Bartrina v Sven Lemstra | 6-2,6-1 |
| ITF Germany F12 | 2018/08/12 13:00 | Sven Lemstra v Alexander Kuerschner | 6-2,7-5 |
| ITF Germany F12 | 2018/08/12 08:00 | Sven Lemstra v Pietro Pirolt | 6-2,6-3 |