| Tournament | Round | Ethel Collins | Audrey Newman |
| 25.01.1998 City of Sydney International Masters (NSW) | 11 | 415 | 440 |
| 26.07.1998 Winter Masters (NSW) | 11 | 289 | 333 |
| 14.08.1999 Revesby (NSW) | 1 | 332 | 371 |
| Head-to-head after 3 games | 0 | 3 | |
| Average score | 345.33 | 381.33 | |
| Spread: | -108 | 108 | |