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