| Date | Tournament | State | Round | Tom Cottier | Karen Harris |
|---|---|---|---|---|---|
| 11/07/1993 | Knox | VIC | 3 | 324 | 341 |
| 24/06/2001 | Nunawading | VIC | 4 | 333 | 416 |
| 27/08/2006 | Nunawading | VIC | 2 | 384 | 390 |
| 22/07/2007 | Nunawading | VIC | 3 | 352 | 447 |
| Head-to-head after 4 games | 0 | 4 | |||
| Average score | 348.25 | 398.50 | |||
| Spread | -201 | 201 | |||