| Tournament | Round | Yvonne Doughty | Svend Grunnet |
| 28.11.1999 Southport (QLD) | 1 | 379 | 297 |
| 19.05.2002 Donnybrook (QLD) | 4 | 356 | 321 |
| 25.08.2002 Queensland Championships (QLD) | 16 | 346 | 319 |
| 21.08.2005 Queensland Championships (QLD) | 13 | 318 | 340 |
| Head-to-head after 4 games | 3 | 1 | |
| Average score | 349.75 | 319.25 | |
| Spread: | 122 | -122 | |