| 2026-02-06 | Davis Cup QLS R1: KOR vs ARG | Hard | RR | 392 |  Hyeon Chung | 134 |  Marco Trungelliti | 6-4 6-3 | H2H | 3 | 89 | 0 | 1 | 58.5% | 74.2% | 68.2% | 0/1 |
| 2026-02-06 | Davis Cup QLS R1: KOR vs ARG | Hard | RR | 95 | Thiago Agustin Tirante | 392 | Hyeon Chung | 2-6 7-5 7-6(5) | H2H | 3 | 172 | 12 | 10 | - | 62.8% | - | 12/3 |
| 2025-09-12 | Davis Cup WG1 R1: KOR vs KAZ | Hard | RR | 379 | Hyeon Chung | 220 |  Dmitry Popko | 6-3 7-5 | H2H | 3 | 107 | 4 | 3 | 100.0% | 66.7% | - | 5/7 |
| 2025-09-12 | Davis Cup WG1 R1: KOR vs KAZ | Hard | RR | 97 | Alexander Shevchenko | 379 | Hyeon Chung | 6-4 6-3 | H2H | 3 | 97 | 4 | 3 | 60.3% | 62.9% | 47.8% | 4/8 |
| 2019-10-21 | Vienna | Hard | R16 | 22 |  Andrey Rublev | 139 | Hyeon Chung | 6-4 6-2 | H2H | 3 | 66 | 4 | 1 | 62.2% | 89.3% | 70.6% | 1/1 |
| 2019-10-21 | Vienna | Hard | R32 | 139 | Hyeon Chung | 32 |  Milos Raonic | 6-4 7-5 | H2H | 3 | 104 | 1 | 4 | 57.0% | 71.1% | 50.0% | 5/6 |
| 2019-09-30 | Tokyo | Hard | QF | 15 |  David Goffin (3) | 143 | Hyeon Chung | 6-2 6-2 | H2H | 3 | 54 | 8 | 0 | 76.9% | 90.0% | 66.7% | 0/0 |
| 2019-09-30 | Tokyo | Hard | R16 | 143 | Hyeon Chung | 30 |  Marin Cilic (6) | 6-4 3-6 6-1 | H2H | 3 | 122 | 11 | 1 | 62.1% | 90.2% | 52.0% | 1/2 |
| 2019-09-30 | Tokyo | Hard | R32 | 143 | Hyeon Chung | 54 |  Lorenzo Sonego | 3-6 6-3 6-4 | H2H | 3 | 131 | 2 | 1 | 68.4% | 75.0% | 66.7% | 0/1 |
| 2019-09-23 | Chengdu | Hard | R32 | 62 |  Joao Sousa | 145 | Hyeon Chung (WC) | 1-6 6-3 6-4 | H2H | 3 | 114 | 7 | 1 | 51.5% | 74.3% | 48.5% | 4/8 |
