| Tournament | Round | Mary Bone | Jan Robertson |
| 22.03.1998 Redcliffe (QLD) | 4 | 320 | 351 |
| 10.01.1999 Coominya Summer (QLD) | 6 | 332 | 361 |
| 21.08.1999 Queensland Championships (QLD) | 13 | 395 | 313 |
| 10.10.1999 Greenbank (QLD) | 5 | 356 | 327 |
| 14.01.2001 Greenbank (QLD) | 2 | 320 | 376 |
| 13.01.2002 Greenbank (QLD) | 6 | 366 | 288 |
| 15.09.2002 Toowoomba (QLD) | 2 | 424 | 314 |
| 08.06.2003 Millmerran (QLD) | 5 | 377 | 362 |
| 17.01.2004 Greenbank (QLD) | 4 | 248 | 359 |
| 13.02.2005 Ipswich (QLD) | 5 | 297 | 415 |
| 07.10.2007 Nanango (QLD) | 5 | 340 | 310 |
| Head-to-head after 11 games | 6 | 5 | |
| Average score | 343.18 | 343.27 | |
| Spread: | -1 | 1 | |