| Tournament | Round | Ethel Collins | Val Ryan |
| 12.07.1998 Chatswood (NSW) | 1 | 355 | 437 |
| 12.12.1998 North Shore (NSW) | 7 | 279 | 307 |
| 05.04.1999 Australian Championships (NSW) | 2 | 307 | 377 |
| 14.11.1999 Sydney (NSW) | 2 | 508 | 343 |
| Head-to-head after 4 games | 1 | 3 | |
| Average score | 362.25 | 366 | |
| Spread: | -15 | 15 | |