By surface
| Surface | Billy Yap | Senaka Kumara |
|---|---|---|
| Clay | 0 | 1 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1968-03-20 | ATP | Davis Cup G2 SF: SRI vs MAS | Round Robin | Clay | Senaka Kumara | 0-6 | 2-6 | 4-6 |
| Surface | Billy Yap | Senaka Kumara |
|---|---|---|
| Clay | 0 | 1 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1968-03-20 | ATP | Davis Cup G2 SF: SRI vs MAS | Round Robin | Clay | Senaka Kumara | 0-6 | 2-6 | 4-6 |