| Tournament | Round | Margaret Campbell | Barbara Senior |
| 22.02.1998 Unley February (SA) | 2 | 375 | 262 |
| 21.03.1998 February (SA) | 1 | 321 | 395 |
| 29.03.1998 Unley (SA) | 2 | 375 | 262 |
| 24.05.1998 South Australian Championships (SA) | 5 | 358 | 376 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 357.25 | 323.75 | |
| Spread: | 134 | -134 | |