| Tournament | Round | Dave Langley | Donna Sekkouah |
| 09.01.2005 Summer Maximin (WA) | 7 | 333 | 344 |
| 15.05.2005 Melville (WA) | 5 | 284 | 328 |
| 04.12.2005 Summer Marathon (WA) | 4 | 347 | 394 |
| 04.06.2006 Western Australian Championships (WA) | 1 | 331 | 373 |
| 30.07.2006 WA Winter Marathon (WA) | 1 | 367 | 354 |
| 20.08.2006 Yokine (WA) | 7 | 401 | 324 |
| 01.04.2007 Nedlands (WA) | 7 | 352 | 300 |
| 25.04.2007 Anzac Day Maximin (WA) | 2 | 315 | 340 |
| 04.06.2007 Western Australian Championships C & D (WA) | 8 | 293 | 322 |
| Head-to-head after 9 games | 3 | 6 | |
| Average score | 335.88 | 342.11 | |
| Spread: | -56 | 56 | |