| Tournament | Round | Muriel Retford | Bertha Williams |
| 13.06.1999 Advanced Intermediate Recreation (WA) | 2 | 315 | 295 |
| 27.03.2000 Nedlands (WA) | 5 | 330 | 274 |
| 28.05.2000 Melville (WA) | 1 | 306 | 291 |
| 08.04.2001 Nedlands (WA) | 5 | 210 | 288 |
| 27.05.2001 Melville (WA) | 2 | 315 | 301 |
| 08.07.2001 Bassendean (WA) | 5 | 357 | 317 |
| 11.11.2001 Coogee (WA) | 5 | 363 | 321 |
| Head-to-head after 7 games | 6 | 1 | |
| Average score | 313.71 | 298.14 | |
| Spread: | 109 | -109 | |