| Tournament | Round | Alan Mathews | Trish Marchand |
| 11.07.1999 Western Australian Masters (WA) | 1 | 361 | 337 |
| 08.04.2001 Nedlands (WA) | 1 | 371 | 273 |
| 27.05.2001 Melville (WA) | 6 | 329 | 306 |
| 13.01.2002 WA Open (WA) | 5 | 413 | 372 |
| Head-to-head after 4 games | 4 | 0 | |
| Average score | 368.5 | 322 | |
| Spread: | 186 | -186 | |