| Tournament | Round | Joan Riley | Marie Wilson |
| 19.09.1998 Tasmanian Championships (TAS) | 9 | 348 | 371 |
| 14.03.1999 Ulverstone (TAS) | 7 | 342 | 359 |
| 29.10.2000 Hobart October (TAS) | 7 | 317 | 321 |
| 02.02.2002 Ulverstone February (TAS) | 9 | 312 | 463 |
| 09.02.2003 Ulverstone (TAS) | 9 | 319 | 353 |
| 23.01.2005 Ulverstone (TAS) | 9 | 392 | 366 |
| Head-to-head after 6 games | 1 | 5 | |
| Average score | 338.33 | 372.16 | |
| Spread: | -203 | 203 | |