Results
| ITF M15 Szabolcsveresmart | 10/29 09:30 | - | Niklas Guttau v Timofei Derepasko | 2-6,4-6 | |
| Challenger Hamburg | 10/20 12:40 | 19 | Niklas Guttau v Sander Jong | 2-6,1-6 | |
| Challenger Hamburg | 10/19 14:45 | 14 | Alastair Gray v Niklas Guttau | 4-6,6-4,6-7 | |
| ITF M15 Otopeni | 09/26 08:30 | - | Niklas Guttau v Stefan Palosi | 3-6,7-6,4-6 | |
| ITF M15 Otopeni | 09/25 09:00 | - | Nicholas David Ionel v Niklas Guttau | 4-6,6-1,4-6 | |
| ITF M15 Otopeni | 09/24 10:14 | - | Niklas Guttau v Antoni Fabre | 6-3,4-6,6-0 | |
| ITF M25 Poznan | 08/27 12:21 | - | Fryderyk Lechno-Wasiutynski v Niklas Guttau | 6-2,6-3 | |
| ITF M25 Poznan | 08/26 10:22 | - | Niklas Guttau v Oliwier Sterniczuk | 6-2,5-2 | |
| ITF M15 Bastad | 08/20 11:57 | - | Noel Larwig v Niklas Guttau | 7-6,3-6,7-5 | |
| ITF M15 Bastad | 08/19 11:16 | - | Niklas Guttau v Oliver Johansson | 6-3,6-3 | |
| ITF M15 Bastad | 08/18 12:28 | - | Niklas Guttau v Gabriel Jornert | 6-2,6-1 | |
| ITF M25 Satu Mare | 05/30 08:30 | - |
Niklas Guttau v
Alex M Pujolras
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