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