| Date | Tournament | State | Round | Gwen Chadwick | Isabel Van Hoorn |
|---|---|---|---|---|---|
| 30/08/1998 | Knox | VIC | 6 | 378 | 338 |
| 30/12/2000 | Decathon | VIC | 6 | 345 | 405 |
| 24/06/2001 | Nunawading | VIC | 3 | 361 | 369 |
| 22/06/2003 | Nunawading | VIC | 5 | 392 | 358 |
| 25/07/2004 | Bentleigh | VIC | 1 | 323 | 329 |
| 13/02/2005 | Camberwell | VIC | 5 | 365 | 328 |
| Head-to-head after 6 games | 3 | 3 | |||
| Average score | 360.67 | 354.50 | |||
| Spread | 37 | -37 | |||