| Tournament | Round | Irene Metcalfe | Betty Ralph |
| 30.05.1999 Melville (WA) | 1 | 332 | 315 |
| 28.05.2000 Melville (WA) | 2 | 372 | 312 |
| 27.05.2001 Melville (WA) | 2 | 342 | 327 |
| 26.05.2002 Melville (WA) | 4 | 283 | 366 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 332.25 | 330 | |
| Spread: | 9 | -9 | |