| Tournament | Round | Joan Riley | Marie London |
| 31.03.2001 Tasmania March (TAS) | 3 | 321 | 396 |
| 02.02.2002 Ulverstone February (TAS) | 1 | 297 | 427 |
| 20.04.2002 Beaumaris (TAS) | 13 | 386 | 388 |
| 31.10.2004 Tasmanian Championships (TAS) | 2 | 252 | 436 |
| 15.05.2005 East Coast (TAS) | 1 | 329 | 400 |
| 04.03.2007 Kingston (TAS) | 6 | 372 | 351 |
| Head-to-head after 6 games | 1 | 5 | |
| Average score | 326.16 | 399.66 | |
| Spread: | -441 | 441 | |