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