By surface
| Surface | Kelvin Ng | Sombat Uamongkol |
|---|---|---|
| Hard | 0 | 1 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1984-03-02 | ATP | Davis Cup G2 QF: HKG vs THA | Round Robin | Hard | Sombat Uamongkol | 3-6 | 6-1 | 1-6 |
| Surface | Kelvin Ng | Sombat Uamongkol |
|---|---|---|
| Hard | 0 | 1 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1984-03-02 | ATP | Davis Cup G2 QF: HKG vs THA | Round Robin | Hard | Sombat Uamongkol | 3-6 | 6-1 | 1-6 |