Stadium: Court 2 Round: 54 Ground: Clay
| 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 |
| ITF M25 Muttenz | 2022/08/18 07:00 | von Der Schulenburg, Jeffrey v Giovanni Fonio | 5-7,6-7 |
| Zug, Switzerland | 2022/07/24 13:35 | Yshai Oliel v von Der Schulenburg, Jeffrey | 6-1,3-6,6-4 |
| ITF M15 Innsbruck | 2022/07/21 09:35 | von Der Schulenburg, Jeffrey v Benitez Chavarriaga, Juan Manuel | 7-6,6-7,2-6 |
| ITF M15 Innsbruck | 2022/07/20 08:00 | Battaglino, Stefano v von Der Schulenburg, Jeffrey | 3-6,2-6 |
| ITF M25 Risskov/Aarhus | 2023/06/11 13:25 | Ruben Hartig v Gianluca Cadenasso | 4-6,2-6 |
| ITF - M15 Constanta | 2023/05/29 11:00 | Nicolas Bruna v Ruben Hartig | 7-5,7-6 |
| ITF - M15 Constanta | 2023/05/28 14:00 | Alexandru Luca v Ruben Hartig | 4-6,3-6 |
| ITF - M15 Meerbusch | 2023/04/24 10:00 | Ruben Hartig v Rojas, O. | 6-4,6-4 |
| ITF - M15 Meerbusch | 2023/04/24 08:00 | Leopold Zima v Ruben Hartig | 6-4,6-1 |
| 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 |