Stadium: Court 4 Round: 62 Ground: Hardcourt outdoor
| 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 |
| ITF M15 Arad | 2023/09/25 09:30 | Tim Ruehl v Mykyta Riepkin | 6-2,6-1 |
| ITF M15 Koszalin | 2023/09/07 10:00 | Dominik Kellovsky v Tim Ruehl | 6-1,3-6,6-3 |
| ITF M15 Koszalin | 2023/09/06 11:10 | Philipp Pavlenko v Tim Ruehl | 0-6,7-6,2-6 |
| ITF M15 Allershausen | 2023/09/01 11:50 | Tim Ruehl v Nicola Kuhn | 6-3,6-7,3-6 |
| ITF M15 Sharm El Sheikh | 2023/12/04 08:00 | Moritz Schroeter v Julian Desousa | 4-6,4-6 |
| ITF M15 Sharm El Sheikh | 2023/12/03 08:00 | Ivan Goncharov v Julian Desousa | 4-6,2-6 |
| ITF M15 Sharm El Sheikh | 2023/11/27 08:00 | Jan Kupcic v Julian Desousa | 6-1,6-2 |
| ITF M15 Heraklion | 2023/11/20 13:00 | Gabriel Matuszewski v Julian Desousa | 1-6,6-1,10-6 |
| ITF M15 Heraklion | 2023/11/20 07:00 | Timo De Visser v Julian Desousa | 6-2,4-6,5-10 |
| ITF M15 Al Zahra | 2023/10/31 08:25 | Matic Dimic v Julian Desousa | 6-3,6-4 |
| ITF M15 Al Zahra | 2023/10/30 09:00 | Pierre Gimla v Julian Desousa | 0-6,0-6 |
| ITF M15 Al Zahra | 2023/10/25 07:00 | Goncalo Oliveira v Julian Desousa | 6-1,6-2 |