| Tournament | Round | Rene Chelton | Mary McMahon |
| 08.06.1998 Victorian Championships (VIC) | 18 | 421 | 457 |
| 14.06.1999 Victorian Championships (VIC) | 13 | 438 | 443 |
| 12.06.2000 Victorian Championships (VIC) | 9 | 400 | 491 |
| 16.04.2001 Australian Championships (VIC) | 2 | 399 | 346 |
| 09.06.2003 Quen Elizabeth Derby (VIC) | 4 | 419 | 332 |
| 14.06.2004 Victorian Championships (VIC) | 14 | 310 | 466 |
| 17.04.2006 Australian Championships (QLD) | 9 | 333 | 392 |
| 13.06.2016 Queen's Birthday (VIC) | 2 | 305 | 431 |
| Head-to-head after 8 games | 2 | 6 | |
| Average score | 378.12 | 419.75 | |
| Spread: | -333 | 333 | |