| Tournament | Round | Sal Costanzo | Robert Archer |
| 26.04.1998 Western Suburbs (VIC) | 2 | 384 | 374 |
| 05.07.1998 High Country (VIC) | 11 | 330 | 332 |
| 25.10.1998 Frankston (VIC) | 4 | 386 | 279 |
| 15.11.1998 Geelong (VIC) | 6 | 376 | 374 |
| 09.09.2000 Melbourne Club (VIC) | 3 | 317 | 429 |
| 03.12.2000 McKinnon (VIC) | 5 | 464 | 345 |
| Head-to-head after 6 games | 4 | 2 | |
| Average score | 376.16 | 355.5 | |
| Spread: | 124 | -124 | |