| Date | Tournament | State | Round | Ethel Collins | Jeff Chelton |
|---|---|---|---|---|---|
| 11/12/1993 | North Shore Round Robin | NSW | 11 | 326 | 327 |
| 05/10/1996 | New South Wales Championships | NSW | 9 | 372 | 379 |
| 25/01/1998 | City of Sydney International Masters | NSW | 4 | 418 | 343 |
| 26/07/1998 | Winter Masters | NSW | 4 | 407 | 315 |
| Head-to-head after 4 games | 2 | 2 | |||
| Average score | 380.75 | 341.00 | |||
| Spread | 159 | -159 | |||