| Date | Tournament | State | Round | Margaret Wilton | Jan Osborn |
|---|---|---|---|---|---|
| 30/05/1999 | Melville | WA | 3 | 303 | 307 |
| 08/07/2000 | Bassendean | WA | 4 | 339 | 345 |
| 27/05/2001 | Melville | WA | 6 | 333 | 368 |
| 08/07/2001 | Bassendean | WA | 2 | 292 | 375 |
| Head-to-head after 4 games | 0 | 4 | |||
| Average score | 316.75 | 348.75 | |||
| Spread | -128 | 128 | |||