| Tournament | Round | Marilyn Mackie | Henny Yates |
| 12.07.1998 WA Masters (WA) | 7 | 259 | 385 |
| 30.08.1998 Yokine (WA) | 2 | 387 | 453 |
| 30.05.1999 Melville (WA) | 3 | 320 | 377 |
| 04.02.2001 Fremantle (WA) | 6 | 434 | 331 |
| 08.07.2001 Bassendean (WA) | 2 | 413 | 381 |
| 21.04.2002 Nedlands (WA) | 5 | 340 | 455 |
| 26.05.2002 Melville (WA) | 1 | 447 | 249 |
| 31.05.2003 Western Australian Championships (WA) | 12 | 367 | 453 |
| Head-to-head after 8 games | 3 | 5 | |
| Average score | 370.87 | 385.5 | |
| Spread: | -117 | 117 | |