| Tournament | Round | Vicki Underhill | Joy Smith |
| 01.07.2001 Lismore (NSW) | 6 | 288 | 377 |
| 09.02.2003 Kempsey (NSW) | 6 | 372 | 278 |
| 01.02.2004 Kempsey (NSW) | 1 | 312 | 397 |
| 21.08.2005 Queensland Championships (QLD) | 14 | 304 | 311 |
| Head-to-head after 4 games | 1 | 3 | |
| Average score | 319 | 340.75 | |
| Spread: | -87 | 87 | |