| Date | Tournament | State | Round | John Spaan | Dianne Davis |
|---|---|---|---|---|---|
| 28/12/1999 | Decathon | VIC | 15 | 434 | 419 |
| 16/04/2001 | Australian Championships | VIC | 13 | 380 | 407 |
| 06/05/2001 | NSW/Victoria Border Challenge Wagga Wagga | NSW | 1 | 300 | 350 |
| 09/04/2007 | Australian Championships | NSW | 8 | 340 | 402 |
| 02/04/2018 | 2018 National Championship | ACT | 6 | 383 | 365 |
| 04/04/2026 | AUS CHAMPS | ACT | 13 | 453 | 359 |
| Head-to-head after 6 games | 3 | 3 | |||
| Average score | 381.67 | 383.67 | |||
| Spread | -12 | 12 | |||