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