| Date | Tournament | State | Round | Shirley Winkler | Barbara Nakkan |
|---|---|---|---|---|---|
| 06/02/2005 | Kempsey | NSW | 4 | 334 | 262 |
| 05/02/2006 | Kempsey Challenge | NSW | 2 | 316 | 282 |
| 04/02/2007 | Kempsey Challenge | NSW | 7 | 321 | 270 |
| 03/02/2008 | Kempsey Challenge & Cup | NSW | 3 | 343 | 349 |
| 01/02/2009 | Kempsey | NSW | 10 | 353 | 316 |
| 26/07/2009 | Ocean Shores | NSW | 5 | 307 | 346 |
| 30/01/2010 | Kempsey Cup & Challenge | NSW | 6 | 295 | 389 |
| Head-to-head after 7 games | 4 | 3 | |||
| Average score | 324.14 | 316.29 | |||
| Spread | 55 | -55 | |||