Stadium: Court 3 Round: 27 Ground: Clay
| ITF - Krsko M15 | 2023/05/19 08:00 | Lucas Gerch v Gabriele Maria Noce | 6-2,6-3 |
| ITF - Krsko M15 | 2023/05/18 08:00 | Lucas Gerch v Alvaro G Meza | 6-3,7-6 |
| Challenger Mauthausen | 2023/05/09 08:00 | Lucas Gerch v Hamad Medjedovic | 1-6,3-6 |
| Challenger Mauthausen | 2023/05/07 08:00 | Tristan-Samuel Weissborn v Lucas Gerch | 6-7,2-6 |
| ITF - Meerbusch M15 | 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 - Krsko M15 | 2023/05/19 08:00 | Oliver Ojakaar v Gergely Madarasz | 7-5,6-1 |
| ITF - Krsko M15 | 2023/05/18 10:25 | Matic Dimic v Oliver Ojakaar | 3-6,4-6 |
| ITF - Doha M15 | 2021/12/15 16:25 | Ryan James Storrie v Oliver Ojakaar | 7-6,6-2 |
| ITF - Doha M15 | 2021/12/14 14:05 | Oliver Ojakaar v Cheraag Bajwa | 2-6,6-1,10-4 |
| ITF - Doha M15 | 2021/12/12 15:45 | Oliver Ojakaar v Adel Ghanim | 6-1,6-0 |
| ITF - Parnu M15 | 2021/10/27 11:05 | Oliver Ojakaar v Kenneth Raisma | 5-7,3-6 |