| Tournament | Round | Bob Jackman | Jeff Chelton |
| 08.06.1998 Victorian Championships (VIC) | 4 | 410 | 275 |
| 20.06.1998 Wollongong Marj Babb (NSW) | 3 | 500 | 280 |
| 01.10.2001 New South Wales Championships (NSW) | 3 | 453 | 357 |
| 24.03.2003 Blue Mountains (NSW) | 3 | 384 | 339 |
| 06.10.2003 NSW Championships (NSW) | 10 | 484 | 358 |
| 04.02.2007 Kempsey Challenge (NSW) | 3 | 382 | 365 |
| 24.03.2008 Australian Championship (VIC) | 7 | 486 | 351 |
| 06.02.2011 Kempsey 2011 (NSW) | 2 | 368 | 342 |
| 17.04.2016 Tristate Challenge (NSW) | 3 | 453 | 296 |
| Head-to-head after 9 games | 9 | 0 | |
| Average score | 435.55 | 329.22 | |
| Spread: | 957 | -957 | |