| Tournament | Round | Bob Jackman | Dianne Davis |
| 08.06.1998 Victorian Championships (VIC) | 2 | 338 | 370 |
| 14.06.1999 Victorian Championships (VIC) | 20 | 475 | 361 |
| 07.05.2000 NSW/Victoria Border Challenge Wagga Wagga (NSW) | 9 | 492 | 235 |
| 06.05.2001 NSW/Victoria Border Challenge Wagga Wagga (NSW) | 7 | 350 | 300 |
| 01.04.2002 Australian Championships (WA) | 13 | 416 | 344 |
| 05.05.2002 NSW/Victoria Border Challenge Wagga Wagga (NSW) | 9 | 333 | 420 |
| 27.01.2003 City of Sydney International Masters (NSW) | 9 | 454 | 346 |
| 05.04.2010 Aus Championship (SA) | 1 | 414 | 357 |
| 08.06.2015 Vic Championship (VIC) | 5 | 505 | 288 |
| 08.06.2015 Vic Championship (VIC) | 22 | 421 | 302 |
| 08.04.2023 AUS CHAMPS (VIC) | 19 | 397 | 271 |
| 19.04.2025 National Championship and Plate (SA) | 13 | 467 | 316 |
| Head-to-head after 12 games | 10 | 2 | |
| Average score | 421.83 | 325.83 | |
| Spread: | 1152 | -1152 | |