| Tournament | Round | Doug Ristic | Margaret Sella |
| 03.11.2002 SA/Victoria Border Challenge Dimboola (VIC) | 2 | 407 | 370 |
| 02.11.2003 SA/Victoria Border Challenge Dimboola (VIC) | 9 | 417 | 277 |
| 31.10.2004 SA/Victoria Border Challenge Dimboola (VIC) | 1 | 374 | 383 |
| Head-to-head after 3 games | 2 | 1 | |
| Average score | 399.33 | 343.33 | |
| Spread: | 168 | -168 | |