| Tournament | Round | Alan Mathews | Sonia Kellett |
| 05.12.1999 Marathon December (WA) | 5 | 439 | 323 |
| 10.08.2002 Western Australian Masters (WA) | 17 | 350 | 312 |
| 19.06.2005 Hamersley (WA) | 7 | 344 | 434 |
| 10.07.2005 Bassendean (WA) | 6 | 418 | 390 |
| 04.06.2006 Western Australian Championships (WA) | 18 | 474 | 315 |
| Head-to-head after 5 games | 4 | 1 | |
| Average score | 405 | 354.8 | |
| Spread: | 251 | -251 | |