| Tournament | Round | Mal Eden | Zina Costanzo |
| 28.12.1998 Decathon (VIC) | 11 | 394 | 298 |
| 17.01.1999 Bil Rose Aestival (VIC) | 5 | 487 | 403 |
| 28.12.1999 Decathon (VIC) | 9 | 365 | 393 |
| 21.05.2000 Dandenong (VIC) | 2 | 371 | 442 |
| 12.06.2000 Victorian Championships (VIC) | 19 | 376 | 375 |
| 27.08.2000 Bentleigh (VIC) | 2 | 360 | 438 |
| 23.09.2000 Essendon (VIC) | 1 | 304 | 444 |
| 25.02.2001 Camberwell (VIC) | 3 | 328 | 426 |
| 28.10.2001 Teams Event (VIC) | 4 | 314 | 346 |
| 27.04.2002 Western Suburbs (VIC) | 6 | 514 | 370 |
| 23.06.2002 Nunawading (VIC) | 2 | 419 | 262 |
| 14.09.2003 Melbourne Masters (VIC) | 14 | 401 | 350 |
| 13.05.2006 MAYDAY & NIGHT (VIC) | 2 | 301 | 403 |
| 28.05.2006 06DAND.TOU (VIC) | 6 | 409 | 329 |
| Head-to-head after 14 games | 7 | 7 | |
| Average score | 381.64 | 377.07 | |
| Spread: | 64 | -64 | |