13‑Apr‑1962 | Davis Cup AME SF: PHI vs JPN | | RR | | | Michio Fujii [JPN] d. Dungo | 6-2 6-0 6-1 | | | | | | | | | |
17‑Mar‑1962 | Davis Cup G1 QF: SRI vs PHI | Clay | RR | | | Dungo d. Senaka Kumara [SRI] | 6-2 5-7 6-3 6-0 | | | | | | | | | |
22‑Nov‑1960 | Davis Cup AME SF: PHI vs USA | Grass | RR | | | Barry Mackay [USA] d. Dungo | 6-1 6-2 6-0 | | | | | | | | | |
22‑Apr‑1960 | Davis Cup AME SF: PHI vs JPN | | RR | | | Osamu Ishiguro [JPN] d. Dungo | 6-1 6-4 6-4 | | | | | | | | | |
21‑Mar‑1959 | Davis Cup G2 QF: PHI vs MAS | | RR | | | Dungo d. Moses Tay [MAS] | 6-2 6-3 6-1 | | | | | | | | | |
17‑May‑1957 | Davis Cup AME F: PHI vs JPN | | RR | | | Atsushi Miyagi [JPN] d. Dungo | 4-6 6-1 6-1 6-4 | | | | | | | | | |