| Tournament | Round | John Spaan | Liz Marx |
| 05.04.1998 Victor Harbour (SA) | 5 | 446 | 267 |
| 24.05.1998 South Australian Championships (SA) | 8 | 325 | 334 |
| 18.04.1999 Victor Harbour (SA) | 6 | 418 | 331 |
| 28.12.1999 Decathon (VIC) | 2 | 366 | 282 |
| 19.01.2000 January Open (SA) | 3 | 362 | 332 |
| Head-to-head after 5 games | 4 | 1 | |
| Average score | 383.4 | 309.2 | |
| Spread: | 371 | -371 | |