| Date | Tournament | State | Round | Margaret Wilton | Ruth Probert |
|---|---|---|---|---|---|
| 14/02/1999 | Fremantle | WA | 1 | 289 | 331 |
| 10/06/2001 | Advanced Intermediate Recreation | WA | 3 | 372 | 266 |
| 12/08/2001 | Yokine | WA | 4 | 381 | 331 |
| 01/04/2007 | Nedlands | WA | 2 | 301 | 407 |
| Head-to-head after 4 games | 2 | 2 | |||
| Average score | 335.75 | 333.75 | |||
| Spread | 8 | -8 | |||