| Tournament | Round | Margaret Andrews | Karmel Patterson |
| 19.10.2003 Spring Marathon (NSW) | 8 | 382 | 330 |
| 15.07.2007 Winter Challenge (NSW) | 16 | 383 | 282 |
| 04.07.2010 Winter Challenge (NSW) | 2 | 362 | 334 |
| 04.03.2012 Balmain BUGS (NSW) | 6 | 433 | 317 |
| 19.08.2012 Baulkham Hills Open (NSW) | 8 | 301 | 384 |
| Head-to-head after 5 games | 4 | 1 | |
| Average score | 372.2 | 329.4 | |
| Spread: | 214 | -214 | |