Stadium: Court 5 Round: 14 Ground: Grass
| Challenger Bratislava | 2023/06/18 11:30 | Dimitar Kuzmanov v Vitaliy Sachko | 6-2,2-6,6-7 |
| Challenger Bratislava | 2023/06/17 13:25 | Alex Molcan v Dimitar Kuzmanov | 0-6,1-6 |
| Challenger Bratislava | 2023/06/16 13:40 | Dimitar Kuzmanov v Jerome Kym | 7-5,6-4 |
| Challenger Bratislava | 2023/06/14 09:00 | Zsombor Piros v Dimitar Kuzmanov | 3-6,6-2,4-6 |
| Challenger Bratislava | 2023/06/13 10:25 | Gerald Melzer v Dimitar Kuzmanov | 2-6,3-6 |
| Challenger - Prostejov | 2023/06/08 12:25 | Dimitar Kuzmanov v Francisco Comesana | 4-6,4-6 |
| Challenger - Prostejov | 2023/06/07 13:35 | Hynek Barton v Dimitar Kuzmanov | 6-2,3-6,1-6 |
| Challenger - Prostejov | 2023/06/05 16:35 | Lukas Pokorny v Dimitar Kuzmanov | 1-6,0-6 |
| Challenger - Nottingham | 2023/06/13 13:55 | Nuno Borges v Chung, Hyeon | 6-3,6-2 |
| Challenger - Surbiton | 2023/06/05 12:40 | Chung, Hyeon v Andy Murray | 3-6,2-6 |
| Challenger - Busan | 2023/05/09 03:30 | Chung, Hyeon v Yasutaka Uchiyama | 3-6,7-6,2-6 |
| Challenger Seoul | 2023/04/26 03:20 | Chung, Hyeon v Jordan Thompson | 2-6,4-6 |
| Open de France | 2020/09/23 14:50 | Chung, Hyeon v Renzo Olivo | 6-7,2-6 |
| Open de France | 2020/09/22 09:55 | Crepatte, Baptiste v Chung, Hyeon | 6-7,4-6 |
| Challenger - Prostejov | 2020/09/07 14:20 | Jozef Kovalik v Chung, Hyeon | 7-6,6-2 |
| Challenger - Ostrava | 2020/09/02 10:30 | Lukas Rosol v Chung, Hyeon | 2-6,6-4,6-0 |