| Tournament | Round | Marisa Nuccitelli | Karen Harris |
| 11.09.2005 World Scrabble Championships Fundraiser (VIC) | 8 | 380 | 313 |
| 26.07.2009 Nunawading (VIC) | 2 | 272 | 446 |
| 29.04.2018 Nunawading (VIC) | 1 | 367 | 391 |
| Head-to-head after 3 games | 1 | 2 | |
| Average score | 339.66 | 383.33 | |
| Spread: | -131 | 131 | |