| 1974-11-16 | Davis Cup G1 PR: VIE vs KOR | - | RR | - |  Van-Thanh Vo | - |  Yong-Ho Chung | 6-4 4-6 8-6 6-3 | H2H | 5 | - | - | - | - | - | - | - |
| 1974-11-16 | Davis Cup G1 PR: VIE vs KOR | - | RR | - | Duy-Bao Ta | - | Yong-Ho Chung | 6-2 4-6 0-6 8-6 6-4 | H2H | 5 | - | - | - | - | - | - | - |
| 1972-04-14 | Davis Cup AME SF: KOR vs AUS | - | RR | - |  Mal Anderson | - | Yong-Ho Chung | 4-6 6-0 6-2 7-5 | H2H | 5 | - | - | - | - | - | - | - |
| 1972-04-14 | Davis Cup AME SF: KOR vs AUS | - | RR | - | Colin Dibley | - | Yong-Ho Chung | 7-5 10-8 6-1 | H2H | 5 | - | - | - | - | - | - | - |
| 1971-05-08 | Davis Cup AFR QF: MEX vs KOR | Clay | RR | - |  Joaquin Loyo-Mayo | - | Yong-Ho Chung | 6-0 6-2 6-2 | H2H | 5 | - | - | - | - | - | - | - |
| 1971-05-08 | Davis Cup AFR QF: MEX vs KOR | Clay | RR | - | Marcelo Lara | - | Yong-Ho Chung | 6-4 6-1 6-1 | H2H | 5 | - | - | - | - | - | - | - |
| 1969-04-04 | Davis Cup G1 SF: KOR vs VIE | - | RR | - | Yong-Ho Chung | - | Van-Thanh Vo | 6-4 5-7 2-6 6-3 8-6 | H2H | 5 | - | - | - | - | - | - | - |
| 1969-04-04 | Davis Cup G1 SF: KOR vs VIE | - | RR | - | Luu Hoang-Duc | - | Yong-Ho Chung | 4-6 6-0 7-5 9-7 | H2H | 5 | - | - | - | - | - | - | - |
| 1968-03-23 | Davis Cup G2 SF: JPN vs KOR | - | RR | - |  Koji Watanabe | - | Yong-Ho Chung | 6-1 6-1 6-4 | H2H | 5 | - | - | - | - | - | - | - |
| 1968-03-23 | Davis Cup G2 SF: JPN vs KOR | - | RR | - | Toshiro Sakai | - | Yong-Ho Chung | 6-1 6-1 6-1 | H2H | 5 | - | - | - | - | - | - | - |
