Stadium: Court 2 Round: 25 Ground: Clay
| Challenger Oeiras | 2023/01/02 18:00 | Lucas Gerch v Hamad Medjedovic | 4-6,3-6 |
| ITF M15 Antalya | 2021/11/25 07:50 | Hamad Medjedovic v Lucas Gerch | 1-6,1-6 |
| Challenger Mauthausen | 2023/05/07 08:00 | Tristan-Samuel Weissborn v Lucas Gerch | 6-7,2-6 |
| ITF M15 Meerbusch | 2023/04/25 11:00 | Philip Florig v Lucas Gerch | 7-6,6-4 |
| 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 |
| Challenger Aix en Provence | 2023/05/03 10:20 | Hamad Medjedovic v Tomas Martin Etcheverry | 7-5,2-6,2-6 |
| Challenger Aix en Provence | 2023/05/02 11:05 | Hamad Medjedovic v Manuel Guinard | 6-1,6-1 |
| ATP Banja Luka | 2023/04/19 12:30 | Hamad Medjedovic v Gregoire Barrere | 6-7,5-7 |
| Challenger Split | 2023/04/10 14:20 | Francesco Maestrelli v Hamad Medjedovic | 7-6,6-1 |
| Challenger Zadar | 2023/03/23 10:00 | Matteo Gigante v Hamad Medjedovic | 6-1,6-2 |
| Challenger Zadar | 2023/03/21 15:40 | Hamad Medjedovic v Vit Kopriva | 6-4,6-2 |
| Challenger Szekesfehervar | 2023/03/19 10:00 | Nino Serdarusic v Hamad Medjedovic | 4-6,3-6 |
| Challenger Szekesfehervar | 2023/03/18 13:20 | Hamad Medjedovic v Evan Furness | 6-1,6-2 |