| ITF Germany F3 Qual | 01/28 13:00 | 54 | Walterscheid-Tukic, Nikolas v Chang, Jonathan | 6-7,6-4,7-6 | |
| ITF Germany F1 | 01/08 14:00 | 44 | Niklas Schell v Walterscheid-Tukic, Nikolas | 6-1,6-0 | |
| ITF Germany F1 | 01/08 09:00 | 44 | Walterscheid-Tukic, Nikolas v Panfil, Grzegorz | 7-6,6-2 | |
| ITF Germany F1 | 01/07 11:30 | 44 | Kuerschner, Alexander v Walterscheid-Tukic, Nikolas | Retired | |
| ITF Belgium F8 | 08/08 07:30 | 25 | Walterscheid-Tukic, Nikolas v Gijs Brouwer | 5-7,3-6 | |
| ITF Belgium F8 Qual | 08/07 10:40 | 62 | Walterscheid-Tukic, Nikolas v Alex Knaff | 6-4,6-3 | |
| ITF Belgium F8 Qual | 08/06 08:00 | 62 | Walterscheid-Tukic, Nikolas v Heap, Connor | 6-1,6-3 | |
| ITF Belgium F8 Qual | 08/05 09:30 | 62 | Mats Rosenkranz v Walterscheid-Tukic, Nikolas | 4-6,3-6 | |
| ITF Germany F9 | 07/30 08:00 | 62 | Benjamin Hassan v Walterscheid-Tukic, Nikolas | 6-2,6-2 | |
| ITF Germany F6 | 07/02 13:00 | 44 | Walterscheid-Tukic, Nikolas v Matthew Dellavedova | 0-6,4-6 | |
| ITF Germany F6 | 07/02 08:00 | 44 | Walterscheid-Tukic, Nikolas v Gabriele Moghini | 6-1,7-5 | |
| ITF Croatia F8 - Final | 09/24 08:00 | 62 | Endrizzi, Michelangelo v Walterscheid-Tukic, Nikolas | 4-6,2-6 | |
| ITF Belgium F14 | 09/11 10:00 | 44 | Walterscheid-Tukic, Nikolas v Gley, Jacques | 4-6,6-3,3-6 | |
| ITF Belgium F14 | 09/10 09:00 | 44 | Bruna, Esteban v Walterscheid-Tukic, Nikolas | 4-6,5-7 | |
| ITF Tunisia F33 | 11/21 09:00 | 62 | Lucas Andriamasilalao v Walterscheid-Tukic, Nikolas | 6-2,6-2 | |
| ITF Tunisia F32 | 11/15 09:00 | 62 | Eero Vasa v Walterscheid-Tukic, Nikolas | 6-1,6-3 | |
| ITF Germany F16 | 10/11 11:00 | 62 | Walterscheid-Tukic, Nikolas v Gijs Brouwer | 4-6,0-6 | |
| ITF Germany F6 | 07/06 08:00 | - | Kahlke, Jannis v Walterscheid-Tukic, Nikolas | 6-1,6-2 | |
| ITF Germany F6 | 07/05 08:00 | - | Guenther, Paul-Georg v Walterscheid-Tukic, Nikolas | 2-6,2-6 | |
| ITF Netherlands F2 Qual | 06/20 08:00 | - | Jaensch-Mueller, Vincent v Walterscheid-Tukic, Nikolas | 6-2,6-1 | |
| ITF Germany F3 | 01/20 13:25 | - | Walterscheid-Tukic, Nikolas v Veger, Filip | 1-6,1-6 | |
| ITF Egypt F33 | 10/12 10:30 | - | Walterscheid-Tukic, Nikolas v Miccini, Giacomo | 3-6,3-6 | |
| ITF Egypt F27 | 10/07 08:00 | - | Margaroli, Luca v Walterscheid-Tukic, Nikolas | 6-1,6-3 | |
| ITF Germany F11 | 08/03 07:30 | - | Yvo Panak v Walterscheid-Tukic, Nikolas | 6-1,1-6,2-6 | |
| Umag, Croatie, Qualifications | 07/19 11:45 | 45 | Cuevas, Pablo v Walterscheid-Tukic, Nikolas | 6-0,6-0 | |
| ITF Germany F8 Qual | 07/14 08:00 | - | Walterscheid-Tukic, Nikolas v Pashayan, Daniel | 6-3,6-4 | |
| ITF Germany F7 | 07/07 11:00 | - | Walterscheid-Tukic, Nikolas v Hess-Olesen, Soren | 2-6,0-6 | |
| ITF Germany F7 | 07/06 14:00 | - | Walterscheid-Tukic, Nikolas v Bybel, Nicholas | Retired | |
| ITF Germany F6 | 07/02 13:15 | - | Walterscheid-Tukic, Nikolas v Urzua-Rivera, Ricardo | 5-7,2-6 | |
| ITF Croatia F2 | 02/18 09:00 | - | Torebko, Peter v Walterscheid-Tukic, Nikolas | 6-1,6-1 |