| Tournament | Round | Zina Costanzo | Nicole Findlay |
| 09.08.1998 NSW/Victoria Border Challenge Wagga Wagga (NSW) | 4 | 362 | 382 |
| 06.12.1998 Brighton (VIC) | 3 | 295 | 367 |
| 21.02.1999 Camberwell (VIC) | 1 | 342 | 339 |
| 18.07.1999 Nunawading (VIC) | 3 | 241 | 460 |
| 22.04.2000 Australian Championships (QLD) | 18 | 338 | 461 |
| 12.06.2000 Victorian Championships (VIC) | 18 | 362 | 367 |
| 30.12.2000 Decathon (VIC) | 7 | 449 | 351 |
| 09.06.2001 Victorian Championships (VIC) | 14 | 384 | 347 |
| 10.06.2002 Victorian Championships (VIC) | 8 | 335 | 364 |
| 20.07.2002 July Bunny (VIC) | 3 | 300 | 100 |
| 07.10.2002 New South Wales Championships (NSW) | 1 | 341 | 412 |
| 10.11.2002 Geelong (VIC) | 4 | 357 | 383 |
| 29.12.2002 Decathon (VIC) | 1 | 414 | 338 |
| 14.09.2003 Melbourne Masters (VIC) | 4 | 276 | 438 |
| 11.09.2004 Raymond Island (VIC) | 4 | 405 | 408 |
| 23.07.2006 Midwinter (VIC) | 6 | 375 | 364 |
| Head-to-head after 16 games | 6 | 10 | |
| Average score | 348.5 | 367.56 | |
| Spread: | -305 | 305 | |