| Tournament | Round | Dorothy Horton | Pam Thomas |
| 08.02.1998 North West (TAS) | 10 | 390 | 288 |
| 15.04.1998 Australian Championships (TAS) | 20 | 329 | 456 |
| 19.09.1998 Tasmanian Championships (TAS) | 6 | 338 | 251 |
| 14.03.1999 Ulverstone (TAS) | 4 | 321 | 274 |
| 27.01.2000 Ulverstone (TAS) | 1 | 433 | 283 |
| 21.05.2000 May (TAS) | 6 | 359 | 367 |
| 21.05.2000 May (TAS) | 11 | 288 | 387 |
| 21.05.2000 May (TAS) | 14 | 295 | 400 |
| 28.07.2000 Launceston (TAS) | 5 | 461 | 315 |
| 29.10.2000 Hobart October (TAS) | 6 | 365 | 404 |
| 27.10.2001 Tasmanian Championships (TAS) | 11 | 344 | 360 |
| 20.04.2002 Beaumaris (TAS) | 4 | 429 | 372 |
| 20.04.2002 Beaumaris (TAS) | 15 | 346 | 361 |
| 30.06.2002 Launceston (TAS) | 5 | 398 | 400 |
| 09.02.2003 Ulverstone (TAS) | 14 | 349 | 318 |
| 14.03.2004 Launceston (TAS) | 10 | 360 | 378 |
| 22.01.2006 Ulverstone (TAS) | 9 | 318 | 375 |
| 14.05.2006 Scamander (TAS) | 8 | 326 | 380 |
| 29.10.2006 Tasmanian Championships (TAS) | 5 | 335 | 384 |
| 04.02.2007 Ulverstone (TAS) | 12 | 347 | 416 |
| Head-to-head after 20 games | 7 | 13 | |
| Average score | 356.55 | 358.45 | |
| Spread: | -38 | 38 | |