| Date | Tournament | State | Round | Michael Vnuk | Karen Richards |
|---|---|---|---|---|---|
| 22/03/1998 | Redcliffe | QLD | 6 | 325 | 401 |
| 15/04/1998 | Australian Championships | TAS | 7 | 407 | 348 |
| 15/04/1998 | Australian Championships | TAS | 20 | 364 | 372 |
| 23/08/1998 | Queensland Championships | QLD | 13 | 395 | 393 |
| 30/04/2000 | Auran Round Robin | QLD | 6 | 473 | 415 |
| 05/11/2000 | Redcliffe | QLD | 1 | 460 | 394 |
| 03/12/2000 | Southport | QLD | 2 | 346 | 333 |
| 18/02/2001 | Ipswich | QLD | 5 | 357 | 409 |
| 11/03/2001 | Brisbane Open | QLD | 5 | 332 | 513 |
| 05/05/2001 | Auran Round Robin | QLD | 7 | 352 | 380 |
| 01/07/2001 | Lismore | NSW | 1 | 437 | 322 |
| 08/07/2001 | Coominya | QLD | 1 | 349 | 389 |
| 26/08/2001 | Queensland Championships | QLD | 10 | 371 | 319 |
| 16/09/2001 | Toowoomba | QLD | 4 | 441 | 389 |
| 25/10/2001 | Lismore | NSW | 4 | 448 | 434 |
| 21/04/2003 | Australian Championships | SA | 2 | 356 | 501 |
| 05/05/2003 | Big Weekend at Olga's | QLD | 3 | 380 | 366 |
| 22/08/2004 | Queensland Championships | QLD | 9 | 407 | 343 |
| 17/10/2004 | Newmarket | QLD | 4 | 464 | 368 |
| 28/11/2004 | Southport | QLD | 6 | 468 | 387 |
| 15/01/2005 | Greenbank | QLD | 5 | 331 | 362 |
| 09/04/2005 | Coorparoo | QLD | 7 | 282 | 432 |
| 30/04/2005 | May Charity Weekend - Day 1 | QLD | 6 | 273 | 450 |
| 19/06/2005 | Albert & Logan | QLD | 2 | 440 | 326 |
| 09/10/2005 | Kingaroy | QLD | 4 | 418 | 444 |
| 29/12/2005 | Last Chance | QLD | 5 | 374 | 371 |
| 09/04/2006 | Coorparoo Warmup Marathon | QLD | 1 | 428 | 420 |
| 09/04/2006 | Coorparoo Warmup Marathon | QLD | 6 | 502 | 367 |
| 23/04/2006 | Lismore | NSW | 6 | 396 | 391 |
| 16/07/2006 | Newmarket | QLD | 2 | 413 | 439 |
| 16/07/2006 | Newmarket | QLD | 5 | 433 | 399 |
| 16/07/2006 | Newmarket | QLD | 8 | 330 | 497 |
| 27/08/2006 | Queensland Championships | QLD | 5 | 424 | 389 |
| 13/09/2008 | MASTERS AND STATE CHALLENGE TROPHY | VIC | 16 | 440 | 468 |
| 10/04/2010 | McLaren Vale | SA | 3 | 555 | 412 |
| 08/03/2015 | SA Championship | SA | 6 | 364 | 419 |
| 08/03/2015 | SA Championship | SA | 12 | 374 | 470 |
| 13/03/2016 | SA Championship | SA | 3 | 394 | 380 |
| 27/12/2018 | Last Chance | QLD | 6 | 307 | 430 |
| 12/03/2022 | SA Scrabble Champs | SA | 15 | 401 | 436 |
| 11/03/2023 | SA Scrabble Champs | SA | 8 | 460 | 411 |
| 11/03/2023 | SA Scrabble Champs | SA | 15 | 309 | 544 |
| 09/03/2024 | SA CHAMPS 2024 | SA | 10 | 391 | 457 |
| Head-to-head after 43 games | 23 | 20 | |||
| Average score | 394.67 | 406.74 | |||
| Spread | -519 | 519 | |||