| Tournament | Round | Di Palmer | Noela Costello |
| 25.06.2000 Advanced Intermediate Recreation (WA) | 1 | 305 | 303 |
| 10.09.2000 Yokine (WA) | 1 | 279 | 317 |
| 08.10.2000 Rockingham (WA) | 3 | 303 | 345 |
| 04.02.2001 Fremantle (WA) | 2 | 296 | 384 |
| 21.04.2002 Nedlands (WA) | 5 | 327 | 307 |
| 16.06.2002 Advanced Intermediate Recreation (WA) | 4 | 322 | 333 |
| 29.09.2002 Manjimup (WA) | 3 | 325 | 294 |
| 28.09.2003 Manjimup (WA) | 4 | 361 | 281 |
| 08.02.2004 Fremantle (WA) | 2 | 349 | 358 |
| 14.03.2004 Bunbury (WA) | 6 | 239 | 368 |
| 11.07.2004 Bassendean (WA) | 3 | 374 | 355 |
| Head-to-head after 11 games | 5 | 6 | |
| Average score | 316.36 | 331.36 | |
| Spread: | -165 | 165 | |