Stadium: Court 3 Round: 62 Ground: Clay
| ITF M25 Netanya | 2023/06/25 08:00 | Amit Vales v Elias Julian Werner | 7-5,6-2 |
| ITF M25 Netanya | 2023/06/18 06:30 | Elias Julian Werner v Ido Geva | 7-5,6-7,8-10 |
| ITF M15 Sarajevo | 2023/06/05 08:00 | Elias Julian Werner v Noah Schlagenhauf | 1-6,6-7 |
| ITF M25 Kiseljak | 2023/05/29 07:00 | Zak Talic v Elias Julian Werner | 6-3,6-2 |
| ITF M25 Kiseljak | 2023/05/28 09:30 | Elias Julian Werner v Dimitrije Zubac | 6-7,7-5,10-7 |
| ITF M25 Most | 2023/05/21 09:00 | Christian Fellin v Elias Julian Werner | 6-1,6-3 |
| ITF M15 Doboj | 2023/05/08 10:30 | Zak Talic v Elias Julian Werner | 6-1,6-0 |
| ITF M15 Doboj | 2023/05/07 10:30 | Strahinja Musicki v Elias Julian Werner | 2-6,2-6 |
| ITF M25 Esch/Alzette | 2023/07/09 11:50 | Niklas Koch v Pierre Yves Bailly | 1-6,4-6 |
| ITF M25 Klosters | 2023/07/03 12:50 | Niklas Koch v Raphael Baltensperger | 2-6,1-6 |
| ITF M25 Klosters | 2023/07/02 14:15 | Tymur Bieldiugin v Niklas Koch | 4-6,6-1,7-10 |
| ITF M15 Meerbusch | 2023/04/24 10:00 | Leopold Zima v Niklas Koch | 6-4,7-5 |
| ITF M15 Heraklion | 2023/03/19 07:00 | Niklas Koch v Raz Katz | 2-6,6-7 |
| ITF M25 Heraklion | 2023/03/13 08:00 | Nikolay Nedelchev v Niklas Koch | 6-1,6-1 |
| ITF M25 Nussloch | 2023/01/23 09:00 | Niklas Koch v Jannik Opitz | 3-6,4-6 |
| ITF M15 Trier | 2022/08/22 08:00 | Joshua Schaefer v Niklas Koch | 5-7,4-6 |