Stadium: Court 6 Round: 26 Ground: Clay
| ITF M15 Alkmaar | 2019/06/26 12:10 | Luca Gelhardt v Bart Stevens | 7-6,6-1 |
| ITF M15 Alkmaar | 2019/06/25 09:00 | Remy Bertola v Luca Gelhardt | 4-6,0-6 |
| ITF M15 Troisdorf | 2019/05/06 07:00 | Mateusz Terczynski v Luca Gelhardt | 2-6,6-2,13-11 |
| ITF M15 Antalya | 2019/04/16 09:00 | Mikhail Korovin v Luca Gelhardt | 6-2,7-5 |
| ITF M15 Antalya | 2019/04/15 07:00 | Bingyu Yu v Luca Gelhardt | 2-6,0-6 |
| ITF M15 Antalya | 2019/04/10 10:10 | Louis Wessels v Luca Gelhardt | 6-1,6-1 |
| ITF M15 Antalya | 2019/04/09 09:30 | Bernardo Saraiva v Luca Gelhardt | 7-5,4-6,8-10 |
| ITF M15 Antalya | 2019/04/08 07:15 | Luca Gelhardt v Mert Naci Turker | 3-6,6-3,10-5 |
| ITF M15 Alkmaar | 2019/06/26 09:25 | Charles Broom v Colin Sinclair | 3-6,6-4,1-6 |
| ITF M25 Huelva | 2019/06/13 10:00 | Juan Pablo Varillas v Colin Sinclair | 6-0,6-4 |
| ITF M25 Huelva | 2019/06/11 18:00 | Nicolas Alvarez Varona v Colin Sinclair | 7-6,4-6,2-6 |
| ITF M25 Karlsruhe | 2019/06/07 15:55 | Colin Sinclair v Marvin Netuschil | 4-6,2-6 |
| ITF M25 Karlsruhe | 2019/06/05 11:10 | Adrian Oetzbach v Colin Sinclair | 6-3,3-6,4-6 |
| ITF M25 Most | 2019/06/01 08:00 | Colin Sinclair v Jan Satral | 6-3,2-6,3-6 |
| ITF M25 Most | 2019/05/31 08:00 | Colin Sinclair v Ondrej Krstev | 6-2,6-3 |
| ITF M25 Most | 2019/05/30 08:00 | Colin Sinclair v Lucas Gerch | 6-2,5-7,6-3 |