| Tournament | Round | Sybil Boyt | Glenda Moore |
| 22.02.1998 Unley February (SA) | 4 | 302 | 370 |
| 21.03.1998 February (SA) | 5 | 303 | 495 |
| 29.03.1998 Unley (SA) | 4 | 302 | 370 |
| 24.05.1998 South Australian Championships (SA) | 10 | 404 | 460 |
| 23.08.1998 August (SA) | 4 | 394 | 282 |
| Head-to-head after 5 games | 1 | 4 | |
| Average score | 341 | 395.4 | |
| Spread: | -272 | 272 | |