| Tournament | Round | Ethel Collins | Jean Noonan |
| 26.07.1998 Winter Masters (NSW) | 8 | 412 | 414 |
| 21.01.1999 City of Sydney Masters (NSW) | 8 | 398 | 378 |
| 14.08.1999 Revesby (NSW) | 5 | 345 | 331 |
| 27.11.1999 North Shore (NSW) | 7 | 376 | 335 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 382.75 | 364.5 | |
| Spread: | 73 | -73 | |