| Tournament | Round | Dorothy Horton | Marie London |
| 15.04.1998 Australian Championships (TAS) | 4 | 344 | 399 |
| 14.03.1999 Ulverstone (TAS) | 7 | 380 | 388 |
| 13.06.1999 Round Robin (TAS) | 9 | 342 | 432 |
| 31.10.1999 Tasmanian Championships (TAS) | 5 | 381 | 337 |
| 21.05.2000 May (TAS) | 9 | 391 | 369 |
| 29.10.2000 Hobart October (TAS) | 11 | 272 | 423 |
| 30.06.2001 Launceston (TAS) | 5 | 384 | 387 |
| 02.02.2002 Ulverstone February (TAS) | 4 | 330 | 379 |
| 20.04.2002 Beaumaris (TAS) | 8 | 291 | 350 |
| 30.06.2002 Launceston (TAS) | 1 | 379 | 392 |
| 30.06.2002 Launceston (TAS) | 12 | 303 | 329 |
| 30.06.2002 Launceston (TAS) | 14 | 387 | 256 |
| 30.06.2002 Launceston (TAS) | 15 | 369 | 303 |
| 09.02.2003 Ulverstone (TAS) | 3 | 312 | 510 |
| 06.04.2003 Launceston (TAS) | 6 | 315 | 391 |
| 19.10.2003 Tasmanian Championships (TAS) | 12 | 333 | 339 |
| 23.01.2005 Ulverstone (TAS) | 7 | 290 | 392 |
| 23.01.2005 Ulverstone (TAS) | 14 | 332 | 348 |
| 30.10.2005 Tasmanian Championships (TAS) | 12 | 368 | 378 |
| 27.08.2006 Exeter Round Robin (TAS) | 4 | 347 | 309 |
| 27.08.2006 Exeter Round Robin (TAS) | 11 | 402 | 332 |
| 04.02.2007 Ulverstone (TAS) | 11 | 321 | 365 |
| Head-to-head after 22 games | 6 | 16 | |
| Average score | 344.22 | 368.54 | |
| Spread: | -535 | 535 | |