| Date | Tournament | State | Round | Duncan Smith | Sian Hall |
|---|---|---|---|---|---|
| 03/10/1994 | New South Wales Championships | NSW | 2 | 431 | 339 |
| 05/10/1996 | New South Wales Championships | NSW | 4 | 343 | 318 |
| 05/10/1996 | New South Wales Championships | NSW | 20 | 361 | 349 |
| 15/08/1998 | Revesby | NSW | 1 | 465 | 339 |
| Head-to-head after 4 games | 4 | 0 | |||
| Average score | 400.00 | 336.25 | |||
| Spread | 255 | -255 | |||