Stadium: Court 4 Round: 25 Ground: Carpet indoor
| ITF M15 Sharm El Sheikh | 2023/12/13 13:35 | Vadym Ursu v Tim Ruehl | 6-0,6-3 |
| ITF M15 Sharm El Sheikh | 2023/12/07 08:00 | Tim Ruehl v Vadym Ursu | 2-6,2-6 |
| ITF M15 Sharm El Sheikh | 2023/12/06 10:35 | Tim Ruehl v Michael Bassem Sobhy | 6-2,4-6,6-3 |
| ITF M15 Sharm El Sheikh | 2023/12/05 08:00 | Tim Ruehl v Julian Desousa | 6-2,6-4 |
| ITF M15 Santo Domingo | 2023/11/16 15:00 | Roberto Cid Subervi v Tim Ruehl | 6-0,4-6,7-5 |
| ITF M15 Santo Domingo | 2023/11/14 15:30 | Alberto Puello v Tim Ruehl | 4-6,2-6 |
| ITF M15 Santo Domingo | 2023/11/08 16:30 | Leonardo Civita-Telles v Tim Ruehl | 6-0,5-7,6-3 |
| ITF M15 Arad | 2023/09/26 06:30 | Tim Ruehl v Stefan A Andreescu | 2-6,6-3,6-7 |
| German Championship | 2023/12/03 14:00 | Robin Sanz v Aaron Funk | 4-6,5-7 |
| ITF M15 Buschhausen | 2023/09/11 08:00 | Aaron Funk v Noel Larwig | 2-6,4-6 |
| ITF M15 Trier | 2023/08/23 12:40 | Tom Schonenberg v Aaron Funk | 4-6,6-3,6-4 |
| ITF M15 Frankfurt Am Main | 2023/08/07 08:00 | Aaron Funk v Davud Amirov | 6-3,6-2 |
| German Championship | 2022/12/05 09:00 | Lukas Maskow v Aaron Funk | 0-0 |
| German Championship | 2022/12/04 11:00 | Aaron Funk v Piet Steveker | 3-6,6-4,1-0 |