Stadium: Center Court Round: 25 Ground: Clay
| ITF M15 Meerbusch | 2023/04/25 08:00 | Leopold Zima v Yvo Panak | 4-6,7-5,2-10 |
| ITF M15 Meerbusch | 2023/04/24 10:00 | Leopold Zima v Niklas Koch | 6-4,7-5 |
| ITF M15 Meerbusch | 2023/04/24 08:00 | Leopold Zima v Ruben Hartig | 6-4,6-1 |
| 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 M25 Nussloch | 2023/01/24 11:45 | Yannik Kelm v Peter Heller | 5-7,2-6 |
| Challenger Heilbronn | 2022/05/08 11:35 | Sumit Nagal v Yannik Kelm | 6-2,6-1 |