| Tournament | Round | Raya Wilkinson | Zina Costanzo |
| 05.10.1998 New South Wales Championships (NSW) | 19 | 338 | 315 |
| 05.10.1998 New South Wales Championships (NSW) | 22 | 305 | 416 |
| 27.01.2003 City of Sydney International Masters (NSW) | 6 | 374 | 387 |
| Head-to-head after 3 games | 1 | 2 | |
| Average score | 339 | 372.66 | |
| Spread: | -101 | 101 | |