| ITF - M15 Antalya | 12/21 07:00 | 28 | [318] Mircea-Alexandru Jecan v Nedelko, Ivan [311] | 6-1,6-1 | |
| ITF - M15 Antalya | 12/20 08:35 | 27 | Lopez San Martin, Alvaro v Nedelko, Ivan | 6-7,4-6 | |
| ITF - M15 Antalya | 12/19 07:00 | 26 | Niklas Schell v Nedelko, Ivan | 6-3,3-6,3-6 | |
| ITF - M15 Antalya | 12/17 07:00 | 25 | Dembek, Michal v Nedelko, Ivan | 7-6,5-7,2-6 | |
| Challenger Maia | 11/20 12:15 | 25 | [314] Nedelko, Ivan v Maxime Cressy [177] | 6-7,6-7 | |
| Challenger Maia | 11/18 18:00 | 24 | [404] Cervantes, Inigo v Nedelko, Ivan [314] | 1-6,4-6 | |
| Challenger - Pune | 11/14 08:00 | 26 | [323] Nedelko, Ivan v Sumit Nagal [127] | Retired | |
| Challenger - Pune | 11/13 09:15 | 25 | Nedelko, Ivan v Sunish, Dhruv | 6-3,5-7,6-2 | |
| Shenzhen II, Chine | 10/29 04:25 | 25 | [324] Nedelko, Ivan v Mohamed Safwat [219] | 6-7,1-6 | |
| Shenzhen II, Chine | 10/28 03:45 | 24 | [342] Doumbia, Sadio v Nedelko, Ivan [324] | 3-6,3-6 | |
| Liuzhou, Chine | 10/21 05:00 | 24 | [408] Yuta Shimizu v Nedelko, Ivan [325] | Retired | |
| Ningbo, China | 10/14 03:15 | 24 | [330] Nedelko, Ivan v Max Purcell [225] | 3-6,2-6 | |
| Challenger - Barcelone | 10/02 09:00 | 25 | [328] Nedelko, Ivan v Alessandro Giannessi [166] | 1-6,4-6 | |
| Challenger - Barcelone | 10/01 09:25 | 24 | [111] Granollers, Gerard v Nedelko, Ivan [328] | 6-3,3-6,2-6 | |
| ITF - M15 Antalya | 09/27 09:30 | 27 | Nedelko, Ivan v Luka Pavlovic | 6-3,0-6,4-6 | |
| ITF - M15 Antalya | 09/26 12:30 | 26 | Nedelko, Ivan v Urbanija, Mike | 6-1,6-4 | |
| ITF - M15 Antalya | 09/26 09:15 | 25 | Nedelko, Ivan v Gorazd Srbljak | Retired | |
| ITF - M15 Antalya | 09/22 07:30 | 29 | Nedelko, Ivan v Michael Vrbensky | 3-6,6-4,6-4 | |
| ITF - M15 Antalya | 09/21 07:30 | 28 | Nedelko, Ivan v Kacper Zuk | 7-6,3-6,6-3 | |
| ITF - M15 Antalya | 09/20 08:40 | 27 | Nedelko, Ivan v Urbanija, Mike | 6-0,6-4 | |
| ITF - M15 Antalya | 09/19 09:20 | 26 | Nedelko, Ivan v Hellfritsch, Lucas | 7-5,7-5 | |
| ITF - M15 Antalya | 09/18 07:00 | 25 | Nedelko, Ivan v Andrea Fiorentini | 6-1,6-2 | |
| Challenger Banja Luka | 09/11 08:00 | 25 | [174] Sumit Nagal v Nedelko, Ivan [343] | 6-3,7-6 | |
| Challenger Banja Luka | 09/10 08:00 | 24 | [343] Nedelko, Ivan v Zukas, Matias [441] | 6-1,7-5 | |
| Jinan, China | 09/04 07:05 | 25 | [358] Nedelko, Ivan v Zhe Li [225] | 6-7,6-7 | |
| Jinan, China | 09/03 04:45 | 24 | [358] Nedelko, Ivan v Nam, Ji Sung [298] | 4-6,7-5,6-3 | |
| Baotou, Chine | 08/27 08:50 | 25 | [358] Nedelko, Ivan v Chun Hsin Tseng [357] | 3-6,3-6 | |
| Baotou, Chine | 08/26 02:00 | 24 | Chung, Hong v Nedelko, Ivan | 2-6,3-6 | |
| Challenger Meerbusch | 08/12 10:35 | 24 | [464] Satral, Jan v Nedelko, Ivan [360] | 7-6,7-6 | |
| Koszalin, Singles Qualifying M-ITF-POL-02A | 08/10 09:00 | 28 | Nedelko, Ivan v Podzus, Martins | 3-6,7-6,3-6 |