Stadium: Court 3 Round: 62 Ground: Clay
| ITF M25 Antalya | 2023/11/12 07:00 | Ilya Snitari v Justin Engel | 6-3,6-1 |
| ITF M15 Buschhausen | 2023/09/14 10:00 | Luca Castagnola v Justin Engel | 6-1,6-3 |
| ITF M15 Buschhausen | 2023/09/12 10:00 | Justin Engel v John Sperle | 6-2,6-3 |
| ITF M15 Allershausen | 2023/08/31 09:55 | Justin Engel v Adrian Oetzbach | 7-6,4-6,4-6 |
| ITF M15 Allershausen | 2023/08/30 14:20 | Dennis Bloemke v Justin Engel | 4-6,1-6 |
| ITF M15 Ueberlingen | 2023/08/16 13:10 | Jakob Schnaitter v Justin Engel | 7-6,6-1 |
| ITF M25 Wetzlar | 2023/08/01 12:40 | Justin Engel v Diego Dedura-Palomero | 5-7,2-6 |
| ITF M15 Uslar | 2023/07/19 09:55 | Juan C P Angelo v Justin Engel | 6-2,6-4 |
| ITF M25 Antalya | 2023/11/19 06:30 | Vlad Andrei Dumitru v Ilgiz Kamchibekov | 6-3,6-0 |
| ITF M25 Antalya | 2023/11/12 07:00 | Vlad Andrei Dumitru v Illya Beloborodko | 4-6,6-3,10-12 |
| ITF M15 Antalya | 2023/11/08 06:55 | Vlad Andrei Dumitru v Filip Cristian Jianu | 1-6,2-6 |
| ITF M15 Antalya | 2023/11/07 07:00 | Illya Beloborodko v Vlad Andrei Dumitru | 2-6,7-5,8-10 |
| ITF M15 Antalya | 2023/11/06 07:00 | Vlad Andrei Dumitru v Radovan Michalik | 6-2,7-6 |
| ITF M15 Antalya | 2023/11/05 07:00 | Aleksandar Mihailovic v Vlad Andrei Dumitru | 1-6,1-6 |
| ITF M25 Telavi | 2023/10/23 06:00 | Alexey Nesterov v Vlad Andrei Dumitru | 3-6,7-6,11-9 |
| ITF M25 Telavi | 2023/10/22 06:00 | Oleg Syrovatskiy v Vlad Andrei Dumitru | 0-6,2-6 |