| Tournament | Round | Zina Costanzo | Janet Bell |
| 17.01.1999 Bil Rose Aestival (VIC) | 2 | 354 | 353 |
| 20.02.2000 Camberwell (VIC) | 6 | 379 | 366 |
| 27.08.2000 Bentleigh (VIC) | 3 | 341 | 395 |
| 27.07.2003 Bentleigh (VIC) | 5 | 342 | 305 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 354 | 354.75 | |
| Spread: | -3 | 3 | |