Stadium: Court 3 Round: 25 Ground: Carpet indoor
| ITF M15 Parnu | 2022/10/27 08:00 | Tom Gentzsch v Niklas Schell | 6-3,1-6,6-7 |
| ITF M15 Monastir | 2023/09/13 12:10 | Aleksandr Lobanov v Niklas Schell | 4-6,7-6,6-2 |
| ITF M15 Budapest | 2023/08/29 12:00 | Niklas Schell v Giles Hussey | 4-6,3-6 |
| ITF M25 Muttenz | 2023/08/16 08:00 | Niklas Schell v Nicolas Parizzia | 4-6,2-6 |
| ITF M15 Frankfurt Am Main | 2023/08/10 09:00 | Niklas Schell v Andrey Chepelev | 3-6,6-7 |
| ITF M15 Frankfurt Am Main | 2023/08/08 10:45 | Niklas Schell v Vincent Marysko | 6-4,6-4 |
| ITF M25 Wetzlar | 2023/08/04 08:00 | Sebastian Fanselow v Niklas Schell | 6-4,6-3 |
| ITF M25 Wetzlar | 2023/08/03 08:00 | Niklas Schell v Jannik Opitz | 6-4,6-4 |
| ITF M25 Telfs | 2023/07/18 10:00 | Peter Heller v Niklas Schell | 6-3,6-1 |
| ITF M15 Buschhausen | 2023/09/14 11:45 | Marc Majdandzic v Tom Gentzsch | 3-6,6-4,6-4 |
| ITF M15 Buschhausen | 2023/09/13 14:45 | Jakob Schnaitter v Tom Gentzsch | 4-6,6-4,3-6 |
| ITF M15 Koszalin | 2023/09/08 15:00 | Dominik Kellovsky v Tom Gentzsch | 6-2,5-7,6-4 |
| ITF M15 Koszalin | 2023/09/07 16:00 | Oskar Grzegorzewski v Tom Gentzsch | 3-6,5-7 |
| ITF M15 Koszalin | 2023/09/06 14:05 | Maciej Matuszczyk v Tom Gentzsch | 5-7,7-5,2-6 |
| ITF M15 Allershausen | 2023/09/01 10:00 | Tom Gentzsch v Christoph Negritu | 2-6,6-7 |
| ITF M15 Allershausen | 2023/08/31 10:00 | Tom Gentzsch v Maik Steiner | 7-6,6-4 |
| ITF M15 Allershausen | 2023/08/30 10:00 | Tom Gentzsch v David Fix | 6-2,6-4 |