| 1986-05-09 | Davis Cup WG QF: THA vs INA | Hard | RR | - |  Sombat Uamongkol | - |  Suharyadi Suharyadi | 6-1 RET | H2H | 5 | - | - | - | - | - | - | - |
| 1986-05-09 | Davis Cup WG QF: THA vs INA | Hard | RR | - | Sombat Uamongkol | - | Tintus Wibowo | 5-7 2-6 7-5 6-3 6-4 | H2H | 5 | - | - | - | - | - | - | - |
| 1986-07-18 | Davis Cup G1 SF: KOR vs THA | Clay | RR | 296 |  Gap-Taik Ro | 594 | Sombat Uamongkol | 6-4 6-1 7-9 10-8 | H2H | 5 | - | - | - | - | - | - | - |
| 1984-05-04 | Davis Cup EUR SF: PAK vs THA | Clay | RR | - |  Hameed UL Haq | - | Sombat Uamongkol | 4-6 8-6 4-6 6-1 6-1 | H2H | 5 | - | - | - | - | - | - | - |
| 1984-05-04 | Davis Cup EUR SF: PAK vs THA | Clay | RR | - | Islam Ul Haq | - | Sombat Uamongkol | 12-10 6-2 6-1 | H2H | 5 | - | - | - | - | - | - | - |
| 1984-03-02 | Davis Cup G2 QF: HKG vs THA | Hard | RR | - | Sombat Uamongkol | 781 |  Randall King | 4-6 8-6 8-6 1-6 6-4 | H2H | 5 | - | - | - | - | - | - | - |
| 1984-03-02 | Davis Cup G2 QF: HKG vs THA | Hard | RR | - | Sombat Uamongkol | - | Kelvin Ng | 6-3 1-6 6-1 | H2H | 3 | - | - | - | - | - | - | - |
| 1983-05-06 | Davis Cup AOC SF: IND vs THA | Grass | RR | 271 |  Vijay Amritraj | 839 | Sombat Uamongkol | 6-4 6-0 6-3 | H2H | 5 | - | - | - | - | - | - | - |
| 1983-05-06 | Davis Cup AOC SF: IND vs THA | Grass | RR | 137 | Sashi Menon | 839 | Sombat Uamongkol | 7-5 6-3 | H2H | 3 | - | - | - | - | - | - | - |
| 1983-03-04 | Davis Cup WG QF: TPE vs THA | Hard | RR | 830 | Sombat Uamongkol | - |  Huang-Jung Hsu | 4-6 6-4 6-2 7-5 | H2H | 5 | - | - | - | - | - | - | - |
