| Tournament | Round | Ethel Collins | Betty Foreman |
| 25.01.1998 City of Sydney International Masters (NSW) | 9 | 373 | 414 |
| 01.03.1998 Balmain (NSW) | 8 | 354 | 366 |
| 26.07.1998 Winter Masters (NSW) | 16 | 354 | 305 |
| 21.01.1999 City of Sydney Masters (NSW) | 16 | 330 | 427 |
| Head-to-head after 4 games | 1 | 3 | |
| Average score | 352.75 | 378 | |
| Spread: | -101 | 101 | |