Stadium: Court 3 Round: 25 Ground: Clay
| Challenger Forli | 2021/06/14 09:30 | Lucas Gerch v Elmar Ejupovic | 4-6,6-4,7-6 |
| ITF M15 Grenoble | 2021/02/11 12:05 | Elmar Ejupovic v Lucas Gerch | 6-4,6-1 |
| ITF Germany F11 | 2017/08/16 11:45 | Lucas Gerch v Elmar Ejupovic | 6-4,7-5 |
| Challenger Oeiras | 2023/04/16 13:10 | Lucas Gerch v Daniel Merida Aguilar | 1-6,2-6 |
| Challenger Murcia | 2023/04/02 13:20 | Lucas Gerch v Orlando Luz | 3-6,2-6 |
| Challenger Girona | 2023/03/26 12:00 | Lucas Gerch v Oriol Roca Batalla | 5-7,2-6 |
| ITF M25 Palmanova | 2023/03/14 14:15 | Alejandro M Kretzer v Lucas Gerch | 6-1,6-4 |
| Challenger Antalya | 2023/03/07 07:00 | Alessandro Giannessi v Lucas Gerch | 7-6,6-1 |
| UTR Pro Zadar | 2023/03/04 07:00 | Lucas Gerch v Domagoj Biljesko | 1-6,4-6 |
| UTR Pro Zadar | 2023/03/03 09:30 | Lucas Gerch v Janos Fekete | 6-0,6-1 |
| UTR Pro Zadar | 2023/03/02 14:25 | Lucas Gerch v Matija Samardzic | 6-4,6-3 |
| Challenger Morelos | 2023/04/18 19:05 | Elmar Ejupovic v Evan Zhu | 4-6,6-4,3-6 |
| Challenger Leon | 2023/04/15 01:00 | Maximilian Neuchrist v Elmar Ejupovic | 4-6,6-4,7-6 |
| Challenger Leon | 2023/04/14 02:00 | Elmar Ejupovic v Facundo Bagnis | 6-4,3-6,6-3 |
| Challenger Leon | 2023/04/11 18:00 | Evan Zhu v Elmar Ejupovic | 3-6,4-6 |
| Challenger San Luis Potosi | 2023/04/06 02:20 | Elmar Ejupovic v Tomas Barrios Vera | 6-3,0-6,6-7 |
| Challenger San Luis Potosi | 2023/04/04 02:00 | Elmar Ejupovic v Lucas Pouille | 6-3,6-3 |
| Challenger Mexico City | 2023/03/28 17:00 | Elmar Ejupovic v Antoine Bellier | 7-6,6-7,2-6 |
| Challenger Mexico City | 2023/03/27 17:00 | Elmar Ejupovic v Rubin Statham | 6-7,7-5,6-3 |