| 1974-10-31 | Davis Cup G2 PQ: MAS vs VIE | - | RR | - |  Van-Thanh Vo | - |  Wai-Ching Lee | 6-4 6-2 6-3 | H2H | 5 | - | - | - | - | - | - | - |
| 1974-10-31 | Davis Cup G2 PQ: MAS vs VIE | - | RR | - | Van-Thanh Vo | - | Zainuddin Meah | 6-4 6-4 6-1 | H2H | 5 | - | - | - | - | - | - | - |
| 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 | - | Sung Bae Kim | - | Van-Thanh Vo | 5-7 6-4 3-6 6-3 6-1 | H2H | 5 | - | - | - | - | - | - | - |
| 1974-11-29 | Davis Cup SAM QF: NZL vs VIE | Grass | RR | 272 |  Russell Simpson | - | Van-Thanh Vo | 6-1 6-1 6-2 | H2H | 5 | - | - | - | - | - | - | - |
| 1974-11-29 | Davis Cup SAM QF: NZL vs VIE | Grass | RR | 21 | Onny Parun | - | Van-Thanh Vo | 6-1 6-1 6-1 | H2H | 5 | - | - | - | - | - | - | - |
| 1973-04-09 | Davis Cup G2 QF: PAK vs VIE | Grass | RR | - |  Saeed Meer | - | Van-Thanh Vo | 6-2 6-4 5-7 9-11 6-2 | H2H | 5 | - | - | - | - | - | - | - |
| 1973-04-09 | Davis Cup G2 QF: PAK vs VIE | Grass | RR | - | Munawar Iqbal | - | Van-Thanh Vo | 6-4 6-3 6-1 | H2H | 5 | - | - | - | - | - | - | - |
| 1973-03-23 | Davis Cup G2 PR: VIE vs SRI | Grass | RR | - | Van-Thanh Vo | - | SRIBernard Pinto | 6-4 6-3 4-6 6-4 | H2H | 5 | - | - | - | - | - | - | - |
| 1972-04-08 | Davis Cup WG SF: VIE vs JPN | - | RR | - |  Jun Kamiwazumi | - | Van-Thanh Vo | 8-6 6-3 6-1 | H2H | 5 | - | - | - | - | - | - | - |
