| Date | Tournament | State | Round | Joyce Smith | Zina Costanzo |
|---|---|---|---|---|---|
| 22/02/1998 | Ballarat | VIC | 2 | 322 | 421 |
| 11/10/1998 | Bendigo | VIC | 1 | 357 | 408 |
| 23/01/2000 | Aestival | VIC | 7 | 459 | 342 |
| 30/12/2000 | Decathon | VIC | 2 | 425 | 448 |
| 24/03/2002 | Langwarrin | VIC | 1 | 303 | 395 |
| 04/07/2004 | Nunawading | VIC | 3 | 377 | 406 |
| 13/06/2005 | Victorian Championships | VIC | 18 | 360 | 359 |
| 11/09/2005 | World Scrabble Championships Fundraiser | VIC | 6 | 378 | 450 |
| 16/10/2005 | Frankston | VIC | 1 | 366 | 437 |
| 28/12/2005 | Decathon | VIC | 3 | 205 | 434 |
| Head-to-head after 10 games | 2 | 8 | |||
| Average score | 355.20 | 410.00 | |||
| Spread | -548 | 548 | |||