| Tournament | Round | Sal Costanzo | Phyllis Whitelaw |
| 08.06.1998 Victorian Championships (VIC) | 1 | 381 | 357 |
| 18.07.1999 Nunawading (VIC) | 6 | 443 | 319 |
| 05.12.1999 McKinnon (VIC) | 2 | 490 | 338 |
| 28.12.1999 Decathon (VIC) | 3 | 237 | 411 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 387.75 | 356.25 | |
| Spread: | 126 | -126 | |