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