| Tournament | Round | Gianna Devcic | Tom Cottier |
| 30.09.2001 Essendon (VIC) | 4 | 298 | 291 |
| 31.08.2003 WSC Fundraiser (VIC) | 6 | 321 | 280 |
| 10.10.2004 Frankston (VIC) | 6 | 310 | 331 |
| 24.07.2005 Midwinter (VIC) | 2 | 362 | 328 |
| 27.08.2006 Nunawading (VIC) | 4 | 333 | 358 |
| 01.10.2006 Essendon (VIC) | 6 | 423 | 266 |
| Head-to-head after 6 games | 4 | 2 | |
| Average score | 341.16 | 309 | |
| Spread: | 193 | -193 | |