- Hand
- nan
- Backhand
- nan
- Coach
- nan
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Billy Yap
Billy Yap has played only 3 matches — too small a sample to draw firm conclusions about their career record.
| Date | Tournament | Srf | Rd | Wrk | Winner | Lrk | Loser | Score |
|---|---|---|---|---|---|---|---|---|
| 1969-03-01 | Davis Cup G1 SF: MAS vs IND | - | RR | - | - | 6-2 6-3 6-1 | ||
| 1968-03-20 | Davis Cup G2 SF: SRI vs MAS | Clay | RR | - | - | 6-0 6-2 6-4 | ||
| 1968-03-20 | Davis Cup G2 SF: SRI vs MAS | Clay | RR | - | - | 6-3 6-3 7-5 |