| Tournament | Round | Elwyn Chalk | Dorrie Balgera |
| 20.09.1998 Advanced Intermediate Recreation (WA) | 1 | 342 | 412 |
| 04.02.2001 Fremantle (WA) | 3 | 391 | 362 |
| 13.01.2002 WA Open (WA) | 6 | 376 | 406 |
| 06.02.2005 Fremantle (WA) | 7 | 429 | 439 |
| Head-to-head after 4 games | 1 | 3 | |
| Average score | 384.5 | 404.75 | |
| Spread: | -81 | 81 | |