| Tournament | Round | Betty Ralph | Rhonda Reynish |
| 31.05.1998 Melville (WA) | 1 | 239 | 259 |
| 02.08.1998 Bassendean (WA) | 1 | 326 | 268 |
| 30.08.1998 Yokine (WA) | 5 | 385 | 394 |
| 20.09.1998 Advanced Intermediate Recreation (WA) | 6 | 286 | 362 |
| Head-to-head after 4 games | 1 | 3 | |
| Average score | 309 | 320.75 | |
| Spread: | -47 | 47 | |