| Tournament | Round | Steve Sunter | Dianne Davis |
| 28.12.1998 Decathon (VIC) | 15 | 334 | 334 |
| 17.01.1999 Bil Rose Aestival (VIC) | 1 | 346 | 351 |
| 26.09.1999 Essendon (VIC) | 6 | 404 | 396 |
| 05.12.1999 McKinnon (VIC) | 1 | 382 | 393 |
| 12.06.2000 Victorian Championships (VIC) | 10 | 376 | 429 |
| 22.07.2000 Melbourne Open (VIC) | 1 | 550 | 340 |
| 01.04.2002 Australian Championships (WA) | 14 | 379 | 280 |
| 25.05.2002 Bunny (VIC) | 6 | 297 | 390 |
| 01.12.2002 McKinnon (VIC) | 1 | 419 | 312 |
| 30.03.2003 Langwarrin (VIC) | 3 | 480 | 348 |
| 08.06.2003 Victorian Championships (VIC) | 14 | 494 | 324 |
| 31.08.2003 WSC Fundraiser (VIC) | 5 | 351 | 431 |
| Head-to-head after 12 games | 6.5 | 5.5 | |
| Average score | 401 | 360.66 | |
| Spread: | 484 | -484 | |