| Tournament | Round | Jenny Coetzee | Marilyn Mackie |
| 11.07.1999 Western Australian Masters (WA) | 7 | 274 | 399 |
| 13.01.2002 WA Open (WA) | 6 | 332 | 476 |
| 01.04.2002 Australian Championships (WA) | 10 | 449 | 283 |
| 23.02.2003 Kwinana (WA) | 7 | 284 | 398 |
| 25.05.2003 Melville (WA) | 3 | 359 | 225 |
| 29.02.2004 Kwinana (WA) | 1 | 350 | 359 |
| 29.08.2004 Yokine (WA) | 5 | 407 | 296 |
| 09.01.2005 Summer Maximin (WA) | 4 | 381 | 331 |
| Head-to-head after 8 games | 4 | 4 | |
| Average score | 354.5 | 345.87 | |
| Spread: | 69 | -69 | |