| Date | Tournament | State | Round | Olga Visser | Erica Williams |
|---|---|---|---|---|---|
| 24/02/1996 | Bundaberg | QLD | 4 | 378 | 362 |
| 09/06/1996 | Milmerran | QLD | 3 | 274 | 428 |
| 14/07/1996 | Coominya | QLD | 5 | 322 | 425 |
| 25/08/1996 | Queensland Scrabble Championships | QLD | 12 | 328 | 366 |
| 03/05/1998 | Maelstrom | QLD | 5 | 338 | 474 |
| 17/05/1998 | Southport Winter | QLD | 5 | 331 | 385 |
| 23/08/1998 | Queensland Championships | QLD | 2 | 353 | 402 |
| 13/09/1998 | Toowoomba | QLD | 3 | 327 | 440 |
| 15/11/1998 | Oyez | QLD | 4 | 395 | 350 |
| 23/05/1999 | Brisbane Open | QLD | 6 | 593 | 324 |
| 11/07/1999 | Coominya Winter | QLD | 6 | 370 | 411 |
| 09/01/2000 | Coominya Summer | QLD | 3 | 357 | 450 |
| 10/09/2000 | Toowoomba | QLD | 1 | 386 | 331 |
| 15/10/2000 | Mindbenders Standard | QLD | 4 | 451 | 357 |
| 10/06/2001 | Millmerran | QLD | 4 | 353 | 373 |
| 05/08/2001 | Newmarket | QLD | 2 | 325 | 395 |
| 09/02/2003 | Ipswich | QLD | 1 | 458 | 400 |
| 05/05/2003 | Big Weekend at Olga's | QLD | 2 | 404 | 372 |
| 08/06/2003 | Millmerran | QLD | 1 | 395 | 388 |
| 02/05/2004 | Charity Open | QLD | 1 | 435 | 355 |
| 30/05/2004 | Surfers is Paradise Mindgames | QLD | 7 | 364 | 420 |
| 02/10/2004 | Mindbenders Open | QLD | 4 | 441 | 296 |
| 01/05/2005 | May Charity Weekend - Day 2 | QLD | 7 | 356 | 302 |
| 11/11/2006 | Cleveland | QLD | 1 | 311 | 437 |
| 21/01/2007 | Greenbank | QLD | 3 | 404 | 387 |
| 11/02/2007 | Ipswich | QLD | 5 | 391 | 379 |
| 10/03/2007 | Redland Bay | QLD | 3 | 368 | 368 |
| 22/04/2007 | Lismore Anzac | NSW | 2 | 389 | 313 |
| 07/05/2007 | Queensland Championships (Masters) | QLD | 11 | 452 | 301 |
| 07/05/2007 | Queensland Championships (Masters) | QLD | 19 | 455 | 286 |
| 22/07/2008 | Morno-Arvo | QLD | 3 | 357 | 414 |
| 14/02/2009 | Ipswich | QLD | 1 | 335 | 341 |
| 06/06/2009 | Woomba Wound Wobins | QLD | 2 | 320 | 399 |
| 06/06/2009 | Woomba Wound Wobins | QLD | 9 | 419 | 318 |
| 02/08/2009 | Townsville Sunday | QLD | 6 | 411 | 355 |
| 09/08/2009 | Magnetic Island Sunday | QLD | 3 | 352 | 396 |
| 29/08/2009 | Qld Champs Sat | QLD | 2 | 399 | 349 |
| 24/10/2009 | Redcliffe ABC | QLD | 1 | 379 | 343 |
| 18/07/2010 | Going Cheap | QLD | 7 | 462 | 358 |
| 31/07/2010 | TOWNSVILLE 2010 | QLD | 10 | 373 | 389 |
| 07/08/2010 | MISaturday | QLD | 2 | 347 | 447 |
| 09/11/2010 | Combo Clubs | QLD | 5 | 418 | 303 |
| 03/04/2011 | Foolishly April | QLD | 2 | 497 | 296 |
| 23/07/2011 | July Extra | QLD | 1 | 406 | 325 |
| 02/08/2011 | Cairns | QLD | 9 | 368 | 404 |
| Head-to-head after 45 games | 24.5 | 20.5 | |||
| Average score | 385.49 | 371.42 | |||
| Spread | 633 | -633 | |||