| German Championship | 12/09 11:30 | - | Leopold Zima v Walterscheid-Tukic, Nikolas | 6-2,4-6,5-3 | |
| German Championship | 12/07 17:00 | - | Steinorth, Torben v Walterscheid-Tukic, Nikolas | 3-6,1-0 | |
| ITF M15 Troisdorf | 05/12 11:55 | 25 | Johnson, Luke v Walterscheid-Tukic, Nikolas | 1-6,6-4,6-4 | |
| ITF M25 Meerbusch | 04/11 14:30 | 62 | David Pichler v Walterscheid-Tukic, Nikolas | 6-1,6-1 | |
| German Championship | 12/08 16:40 | - | Hendrik Jebens v Walterscheid-Tukic, Nikolas | 6-2,6-4 | |
| ITF M15 Troisdorf | 05/07 14:20 | 25 | Nik Razborsek v Walterscheid-Tukic, Nikolas | Retired | |
| ITF M15 Kaarst | 02/04 08:30 | 45 | Walterscheid-Tukic, Nikolas v Gelhardt, Luca | 7-5,1-6,4-10 | |
| ITF Egypt F26 | 11/07 09:35 | 25 | Walterscheid-Tukic, Nikolas v Duje Ajdukovic | 2-6,2-6 | |
| ITF Egypt F26 | 11/05 08:00 | 62 | Anton Chekhov v Walterscheid-Tukic, Nikolas | 1-6,4-6 | |
| ITF Egypt F26 | 11/04 08:00 | 62 | Malakhov, Volodymyr v Walterscheid-Tukic, Nikolas | 0-6,0-6 | |
| ITF Germany F14 | 10/01 10:00 | 44 | Max Wiskandt v Walterscheid-Tukic, Nikolas | 7-6,7-6 | |
| ITF Germany F14 | 09/30 11:30 | 44 | Max Hans Rehberg v Walterscheid-Tukic, Nikolas | 6-2,1-6,4-6 | |
| ITF Germany F8 Qual | 07/16 13:45 | 62 | Walterscheid-Tukic, Nikolas v Lucas Gerch | 4-6,4-6 | |
| ITF Germany F8 Qual | 07/15 12:00 | 62 | Puodziunas, Scott v Walterscheid-Tukic, Nikolas | 4-6,3-6 | |
| ITF Germany F8 Qual | 07/15 08:00 | 62 | Maik Steiner v Walterscheid-Tukic, Nikolas | 4-6,2-6 | |
| ITF Germany F6 | 07/05 10:00 | 26 | Nagy, Peter v Walterscheid-Tukic, Nikolas | 6-2,1-6,6-3 | |
| ITF Germany F6 | 07/04 10:00 | 25 | Walterscheid-Tukic, Nikolas v Boris Fassbender | Retired | |
| ITF Hungary F3 | 05/22 12:05 | 25 | Walterscheid-Tukic, Nikolas v Lescure, Mick | 0-6,2-6 | |
| ITF Hungary F3 Qual | 05/21 09:35 | 62 | Radinski, Aljaz v Walterscheid-Tukic, Nikolas | 4-6,6-4,3-6 | |
| ITF Hungary F3 Qual | 05/20 08:00 | 62 | Walterscheid-Tukic, Nikolas v Necz, Andras | 6-3,6-2 | |
| ITF Hungary F3 Qual | 05/19 08:00 | 62 | Balla, Peter v Walterscheid-Tukic, Nikolas | 6-7,3-6 | |
| ITF Croatia F2 | 03/14 10:40 | 25 | Galoppini, Davide v Walterscheid-Tukic, Nikolas | 6-4,7-6 | |
| ITF Croatia F2 | 03/13 08:00 | 60 | Sabanov, Ivan v Walterscheid-Tukic, Nikolas | 4-6,1-6 | |
| ITF Croatia F2 | 03/12 12:00 | 60 | Walterscheid-Tukic, Nikolas v Gorazd Srbljak | 7-5,6-2 | |
| ITF Croatia F2 | 03/12 08:00 | 60 | Karlo Cubelic v Walterscheid-Tukic, Nikolas | 4-6,3-6 | |
| ITF Croatia F2 | 03/10 08:00 | 60 | Walterscheid-Tukic, Nikolas v Peruffo, Giovanni | 6-3,6-1 | |
| ITF Croatia F1 | 03/07 09:00 | 60 | Walterscheid-Tukic, Nikolas v Sabanov, Ivan | 1-6,3-6 | |
| ITF Croatia F1 | 03/04 17:00 | 60 | Walterscheid-Tukic, Nikolas v Wang, Kaiwei | 6-2,6-0 | |
| ITF Germany F3 | 01/30 12:15 | 25 | Walterscheid-Tukic, Nikolas v van de Zandschulp, Botic | 6-7,1-6 | |
| ITF Germany F3 Qual | 01/29 13:45 | 54 | Voljacques, Hugo v Walterscheid-Tukic, Nikolas | 1-6,1-6 |