| Date | Tournament | State | Round | Zina Costanzo | Meg Henderson |
|---|---|---|---|---|---|
| 08/06/1998 | Victorian Championships | VIC | 1 | 358 | 518 |
| 05/07/1998 | High Country | VIC | 7 | 364 | 391 |
| 05/03/2000 | Bendigo | VIC | 1 | 432 | 395 |
| 12/06/2000 | Victorian Championships | VIC | 13 | 333 | 383 |
| 09/06/2001 | Victorian Championships | VIC | 19 | 357 | 365 |
| 10/06/2002 | Victorian Championships | VIC | 9 | 264 | 391 |
| 02/03/2003 | Bendigo | VIC | 6 | 305 | 445 |
| 21/04/2003 | Australian Championships | SA | 14 | 371 | 438 |
| 14/11/2004 | Geelong | VIC | 4 | 353 | 343 |
| 01/05/2005 | Mayday | VIC | 7 | 333 | 427 |
| 13/06/2005 | Victorian Championships | VIC | 5 | 255 | 426 |
| 27/11/2005 | McKinnon | VIC | 1 | 348 | 411 |
| 24/03/2006 | March Notturno | VIC | 4 | 404 | 328 |
| 20/10/2007 | WSC Fundraiser 2 | VIC | 2 | 467 | 349 |
| Head-to-head after 14 games | 4 | 10 | |||
| Average score | 353.14 | 400.71 | |||
| Spread | -666 | 666 | |||