| Date | Tournament | State | Round | Ethel Collins | Ruby Kotwall |
|---|---|---|---|---|---|
| 09/12/1995 | North Shore Christmas | NSW | 2 | 332 | 423 |
| 15/02/1997 | Wollongong | NSW | 4 | 393 | 385 |
| 26/04/1997 | Hassall Grove Club | NSW | 3 | 315 | 439 |
| 26/07/1998 | Winter Masters | NSW | 12 | 363 | 403 |
| 26/07/1998 | Winter Masters | NSW | 19 | 397 | 346 |
| 05/04/1999 | Australian Championships | NSW | 17 | 350 | 354 |
| Head-to-head after 6 games | 2 | 4 | |||
| Average score | 358.33 | 391.67 | |||
| Spread | -200 | 200 | |||