| Tournament | Round | Joan Meredith | Merriss Adler |
| 17.05.1998 Ulladulla (NSW) | 2 | 268 | 391 |
| 27.05.2001 Ulladulla (NSW) | 12 | 290 | 280 |
| 26.05.2002 Ulladulla (NSW) | 8 | 307 | 258 |
| 15.05.2003 Ulladulla (NSW) | 3 | 374 | 245 |
| 23.05.2004 Ulladulla (NSW) | 6 | 278 | 269 |
| 22.05.2005 Ulladulla (NSW) | 8 | 311 | 276 |
| Head-to-head after 6 games | 5 | 1 | |
| Average score | 304.66 | 286.5 | |
| Spread: | 109 | -109 | |