Estadio: Court 20 Round: 62 Ground: Clay
| ITF 15 Antalya | 2023/04/03 11:10 | Ruben Hartig v Yuquan Jin | 3-6,2-6 |
| ITF 15 Antalya | 2023/04/02 07:00 | Elio Jose Ribeiro Lago v Ruben Hartig | 6-2,4-6,3-10 |
| ITF M15 Monastir | 2023/02/26 08:00 | Ruben Hartig v Hikaru Shiraishi | 0-6,3-6 |
| ITF M15 Monastir | 2023/02/20 10:25 | Simon Freund v Ruben Hartig | 6-4,6-4 |
| ITF M15 Monastir | 2023/01/23 08:00 | Lukas Palovic v Ruben Hartig | 6-2,6-3 |
| ITF M15 Monastir | 2023/01/16 14:10 | Vladislav Ivanov v Ruben Hartig | 6-3,6-3 |
| ITF M15 Monastir | 2023/01/16 08:30 | Ruben Hartig v Alessandro Ragazzi | 6-3,6-3 |
| ITF M15 Monastir | 2023/01/15 17:30 | Rishabdev Raman v Ruben Hartig | 3-6,1-6 |
| ITF 15 Antalya | 2022/11/16 09:00 | Maxime Mora v Atakan Karahan | 6-1,6-1 |
| ITF 15 Antalya | 2022/11/15 06:20 | Dylan Salton v Atakan Karahan | 2-6,4-6 |
| ITF 15 Antalya | 2022/11/14 08:00 | Kaya Arinc v Atakan Karahan | 3-6,2-6 |
| ITF 15 Antalya | 2022/11/13 09:00 | Atakan Karahan v Rafael Giotis | 6-2,6-3 |
| ITF M25 Antalya | 2022/11/10 09:25 | Nerman Fatic v Atakan Karahan | 6-4,6-4 |
| ITF 15 Antalya | 2022/10/26 08:40 | Atakan Karahan v Matvey Minin | 6-4,3-6,3-6 |
| ITF 15 Antalya | 2022/10/19 06:55 | Mert Naci Turker v Atakan Karahan | 6-2,6-2 |