| Tournament | Round | Mary Brown | John Spaan |
| 24.05.1998 South Australian Championships (SA) | 11 | 364 | 413 |
| 25.10.1998 October (SA) | 5 | 377 | 322 |
| 14.02.1999 South Australian Championships (SA) | 4 | 363 | 388 |
| Head-to-head after 3 games | 1 | 2 | |
| Average score | 368 | 374.33 | |
| Spread: | -19 | 19 | |