| Tournament | Round | Judy Hay | Wilma Vialle |
| 13.02.1999 Wollongong (NSW) | 8 | 369 | 348 |
| 17.04.1999 Central Coast - Wyong (NSW) | 1 | 400 | 361 |
| 04.10.1999 New South Wales Championships (NSW) | 18 | 314 | 395 |
| 27.11.1999 North Shore (NSW) | 3 | 250 | 372 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 333.25 | 369 | |
| Spread: | -143 | 143 | |