| Tournament | Round | Alan Stewart | Zina Costanzo |
| 28.12.1999 Decathon (VIC) | 2 | 328 | 358 |
| 06.02.2000 Ballarat (VIC) | 2 | 310 | 371 |
| 15.09.2001 Bunny (VIC) | 1 | 502 | 420 |
| 20.07.2002 July Bunny (VIC) | 6 | 100 | 300 |
| 14.09.2002 Melbourne 15 Minutes (VIC) | 7 | 359 | 420 |
| 14.09.2003 Melbourne Masters (VIC) | 3 | 421 | 373 |
| 26.09.2004 Essendon (VIC) | 3 | 414 | 425 |
| 29.12.2004 Decathon (VIC) | 8 | 306 | 317 |
| Head-to-head after 8 games | 2 | 6 | |
| Average score | 342.5 | 373 | |
| Spread: | -244 | 244 | |