Stadium: LEXUS Court Round: 29 Ground: Clay
| Saarlouis, Singles Qualifying M-ITF-GER-07A | 2023/06/24 11:00 | Joao Fonseca v Sander Jong | 4-6,3-6 |
| Saarlouis, Singles Qualifying M-ITF-GER-07A | 2023/06/23 12:30 | Lodewijk Weststrate v Sander Jong | 3-6,7-5,2-6 |
| Saarlouis, Singles Qualifying M-ITF-GER-07A | 2023/06/22 12:30 | Sander Jong v Alex Knaff | 6-4,6-3 |
| Saarlouis, Singles Qualifying M-ITF-GER-07A | 2023/06/20 11:35 | Yannik Kelm v Sander Jong | 1-6,0-6 |
| ITF M15 Duffel | 2023/06/15 10:00 | Jahn, Jeremy v Sander Jong | 7-6,6-4 |
| ITF M15 Duffel | 2023/06/13 10:00 | Pisane, Tom v Sander Jong | 3-6,1-6 |
| ITF M15 Duffel | 2023/06/12 12:00 | Sander Jong v Antonio Massara | 6-2,6-2 |
| UTR Pro Hilversum | 2023/06/11 06:00 | Sander Jong v Hidalgo, Gabriel Alejandro | 6-1,5-0 |
| Saarlouis, Singles Qualifying M-ITF-GER-07A | 2023/06/23 16:30 | Marcel Zielinski v von Der Schulenburg, Jeffrey | 6-7,6-2,1-6 |
| Saarlouis, Singles Qualifying M-ITF-GER-07A | 2023/06/22 11:10 | Tom Gentzsch v von Der Schulenburg, Jeffrey | 4-6,3-6 |
| Saarlouis, Singles Qualifying M-ITF-GER-07A | 2023/06/19 09:30 | von Der Schulenburg, Jeffrey v Jim Hendrikx | 6-1,6-4 |
| Saarlouis, Singles Qualifying M-ITF-GER-07A | 2023/06/18 12:00 | von Der Schulenburg, Jeffrey v Ruben Hartig | 6-1,6-0 |
| ITF M15 Winston-Salem | 2022/11/10 16:50 | von Der Schulenburg, Jeffrey v Samuel, Toby | 1-6,1-6 |
| ITF M15 Winston-Salem | 2022/11/09 18:40 | von Der Schulenburg, Jeffrey v Kyle Kang | 7-5,6-0 |
| ITF M15 Winston-Salem | 2022/11/08 17:30 | von Der Schulenburg, Jeffrey v Martins Rocens | 6-4,6-4 |
| Challenger Charlottesville | 2022/10/30 18:05 | Keegan Smith v von Der Schulenburg, Jeffrey | 6-2,7-5 |