| Tournament | Round | Marlene Brown | John Spaan |
| 23.08.1998 August (SA) | 4 | 424 | 341 |
| 12.09.1998 September (SA) | 4 | 325 | 405 |
| 14.02.1999 South Australian Championships (SA) | 3 | 327 | 348 |
| 21.03.1999 March (SA) | 3 | 306 | 465 |
| Head-to-head after 4 games | 1 | 3 | |
| Average score | 345.5 | 389.75 | |
| Spread: | -177 | 177 | |