| Tournament | Round | Alison Pollard | Zina Costanzo |
| 09.08.1998 NSW/Victoria Border Challenge Wagga Wagga (NSW) | 3 | 409 | 363 |
| 05.10.1998 New South Wales Championships (NSW) | 2 | 334 | 403 |
| 30.01.2000 City of Sydney International Masters (NSW) | 12 | 387 | 423 |
| 22.04.2000 Australian Championships (QLD) | 14 | 411 | 314 |
| 07.05.2000 NSW/Victoria Border Challenge Wagga Wagga (NSW) | 10 | 421 | 333 |
| 10.06.2002 Victorian Championships (VIC) | 16 | 348 | 316 |
| 04.05.2003 NSW/Victoria Border Challenge Wagga Wagga (NSW) | 9 | 423 | 255 |
| 12.04.2004 Australian Championships (ACT) | 16 | 441 | 325 |
| 02.05.2004 NSW/Victoria Border Challenge Wagga Wagga (NSW) | 6 | 429 | 412 |
| 14.06.2004 Victorian Championships (VIC) | 24 | 330 | 361 |
| Head-to-head after 10 games | 7 | 3 | |
| Average score | 393.3 | 350.5 | |
| Spread: | 428 | -428 | |