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