| Tournament | Round | Erica Williams | Vivi Harvey |
| 18.01.1998 Coominya (QLD) | 6 | 342 | 401 |
| 02.05.1999 Maelstrom (QLD) | 6 | 325 | 356 |
| 10.10.1999 Greenbank (QLD) | 3 | 352 | 291 |
| 13.01.2002 Greenbank (QLD) | 2 | 429 | 292 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 362 | 335 | |
| Spread: | 108 | -108 | |