Stadium: Court 1 Round: 24 Ground: Clay
| ITF Thailand F5 | 2016/12/20 03:00 | Chung, Hong v Nedelko, Ivan | 6-4,6-2 |
| Challenger - Gwangju | 2019/05/13 02:00 | Song, Min-Kyu v Chung, Hong | 6-4,6-4 |
| Challenger - Gwangju | 2019/05/13 02:00 | Xia, Zihao v Chung, Hong | 0-0 |
| Challenger Seoul | 2019/04/29 03:30 | Shintaro Imai v Chung, Hong | 6-1,6-3 |
| ITF Korea F6 | 2018/08/29 03:00 | Kim, Young Seok v Chung, Hong | 6-4,5-7,7-5 |
| ITF Korea F5 | 2018/08/25 01:00 | Chung, Hong v Makoto Ochi | 6-7,3-6 |
| ITF Korea F5 | 2018/08/24 01:15 | Chung, Hong v Oh, Chan-Yeong | 7-5,6-1 |
| ITF Korea F5 | 2018/08/22 02:00 | Kwon, OH-Hee v Chung, Hong | 3-6,1-6 |
| ITF Korea F5 | 2018/08/21 03:00 | Chung, Hong v Yeongseok Jeong | 6-1,7-6 |
| Challenger Meerbusch | 2019/08/12 10:35 | Satral, Jan v Nedelko, Ivan | 7-6,7-6 |
| Koszalin, Singles Qualifying M-ITF-POL-02A | 2019/08/10 09:00 | Nedelko, Ivan v Podzus, Martins | 3-6,7-6,3-6 |
| Koszalin, Singles Qualifying M-ITF-POL-02A | 2019/08/09 08:00 | Nedelko, Ivan v Matuszewski, Piotr | 7-6,7-5 |
| Koszalin, Singles Qualifying M-ITF-POL-02A | 2019/08/07 09:00 | Nedelko, Ivan v Daniel Paty | 6-3,6-4 |
| Sopot, Pologne | 2019/07/31 11:00 | Zopp, Jurgen v Nedelko, Ivan | 6-2,6-1 |
| Sopot, Pologne | 2019/07/30 08:00 | Nedelko, Ivan v Tyurnev, Evgeny | 6-3,6-2 |
| Challenger Tampere | 2019/07/25 11:00 | Sousa, Pedro v Nedelko, Ivan | 6-1,6-0 |
| Challenger Tampere | 2019/07/24 14:45 | Nedelko, Ivan v Zopp, Jurgen | 6-2,6-7,6-2 |