Stadium: Court 5 Round: 45 Ground: Clay
| ITF M15 Kramsach | 2019/07/15 08:00 | Alessandro Ragazzi v Giordan Kunz | 4-6,6-2,10-7 |
| ITF M15 Vilnius | 2019/07/08 07:00 | Quentin Folliot v Giordan Kunz | 6-1,6-0 |
| ITF M15 Antalya | 2019/05/07 07:15 | Piotr Grynkowski v Giordan Kunz | 6-2,6-3 |
| ITF M15 Antalya | 2019/05/06 07:00 | Burak Bilgin v Giordan Kunz | 2-6,6-7 |
| ITF M15 Antalya | 2019/04/30 07:15 | Max Houkes v Giordan Kunz | 6-0,6-2 |
| ITF M15 Antalya | 2019/04/29 06:45 | Egor Matvievici v Giordan Kunz | 7-5,2-6,6-10 |
| ITF M15 Sharm El Sheikh | 2019/02/18 07:30 | Giordan Kunz v George Botezan | 3-6,3-6 |
| ITF M15 Sharm El Sheikh | 2019/02/11 09:00 | Sebastian Prechtel v Giordan Kunz | 6-3,6-3 |
| ITF M15 Kramsach | 2019/07/17 09:00 | Kai Lemstra v Bart Van Den Berg | 4-6,2-6 |
| ITF M15 Kramsach | 2019/07/15 13:30 | Kai Lemstra v Evzen Holis | 6-3,4-6,10-6 |
| ITF M15 Troisdorf | 2019/05/06 14:00 | Mick Veldheer v Kai Lemstra | 2-6,6-1,10-7 |
| ITF M15 Sharm El Sheikh | 2019/03/21 08:00 | Enrico Dalla Valle v Kai Lemstra | 6-1,6-1 |
| ITF M15 Sharm El Sheikh | 2019/03/20 09:40 | Stefan Palosi v Kai Lemstra | 4-6,2-6 |
| ITF M15 Sharm El Sheikh | 2019/03/18 12:30 | Fabrizio Andaloro v Kai Lemstra | 2-6,2-6 |
| ITF M15 Sharm El Sheikh | 2019/03/18 09:30 | Kai Lemstra v Dominik Nazaruk | 6-1,7-5 |
| ITF M15 Sharm El Sheikh | 2019/03/11 08:00 | Kai Lemstra v Kristjan Tamm | 2-6,2-6 |