| Tournament | Round | Di Palmer | Jenny Coetzee |
| 26.04.1998 Nedlands (WA) | 2 | 329 | 339 |
| 31.05.1998 Melville (WA) | 5 | 307 | 347 |
| 02.08.1998 Bassendean (WA) | 6 | 299 | 343 |
| 13.06.1999 Advanced Intermediate Recreation (WA) | 1 | 297 | 392 |
| Head-to-head after 4 games | 0 | 4 | |
| Average score | 308 | 355.25 | |
| Spread: | -189 | 189 | |