Stadium: Court 2 Round: 62 Ground: Clay
| ITF M15 Telde | 2023/04/13 12:05 | Leopold Zima v Vilius Gaubas | 2-6,1-6 |
| ITF M15 Telde | 2023/04/11 11:05 | Tomas C Abasolo v Leopold Zima | 4-6,3-6 |
| ITF M25 Reus | 2023/04/02 07:30 | Leopold Zima v Anthony Genov | 2-6,4-6 |
| ITF M15 Antalya | 2023/03/22 07:00 | Gilles Arnaud Bailly v Leopold Zima | 6-3,6-0 |
| ITF M15 Antalya | 2023/03/15 09:30 | Joel Schwaerzler v Leopold Zima | 6-2,6-2 |
| ITF M15 Antalya | 2023/03/14 10:00 | Leopold Zima v Berk Ilkel | 6-2,6-2 |
| ITF M15 Antalya | 2023/03/13 15:05 | Leopold Zima v Yuquan Jin | 6-2,6-1 |
| ITF M15 Antalya | 2023/03/12 10:30 | Leopold Zima v Tomi Van den Ham | 6-3,6-0 |
| ITF M15 Antalya | 2023/04/17 12:15 | Marlon Vankan v Ruben Hartig | 6-3,6-3 |
| ITF M15 Antalya | 2023/04/16 07:00 | Ruben Hartig v Pavel Gula | 6-1,6-3 |
| ITF M15 Antalya | 2023/04/09 06:30 | Ruben Hartig v Atakan Karahan | 1-6,6-3,6-10 |
| ITF M15 Antalya | 2023/04/03 11:10 | Ruben Hartig v Yuquan Jin | 3-6,2-6 |
| ITF M15 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 |