| Tournament | Round | Anne Michell | Zina Costanzo |
| 18.11.2001 SA/Victoria Border Challenge (VIC) | 10 | 387 | 389 |
| 18.11.2001 SA/Victoria Border Challenge (VIC) | 11 | 372 | 400 |
| 18.11.2001 SA/Victoria Border Challenge (VIC) | 12 | 381 | 390 |
| 03.11.2002 SA/Victoria Border Challenge Dimboola (VIC) | 7 | 503 | 334 |
| 02.11.2003 SA/Victoria Border Challenge Dimboola (VIC) | 9 | 359 | 347 |
| 12.04.2004 Australian Championships (ACT) | 8 | 362 | 298 |
| 14.06.2004 Victorian Championships (VIC) | 9 | 273 | 370 |
| 14.06.2004 Victorian Championships (VIC) | 23 | 386 | 424 |
| Head-to-head after 8 games | 3 | 5 | |
| Average score | 377.87 | 369 | |
| Spread: | 71 | -71 | |