| Tournament | Round | John Holgate | Dianne Davis |
| 26.07.1998 Winter Masters (NSW) | 2 | 496 | 307 |
| 12.04.2004 Australian Championships (ACT) | 19 | 461 | 344 |
| 12.04.2004 Australian Championships (ACT) | 21 | 397 | 460 |
| 02.04.2018 2018 National Championship (ACT) | 16 | 362 | 347 |
| 27.12.2023 Decathon 2023 (VIC) | 10 | 447 | 296 |
| Head-to-head after 5 games | 4 | 1 | |
| Average score | 432.6 | 350.8 | |
| Spread: | 409 | -409 | |