| Tournament | Round | Mary McMahon | Janet Bell |
| 26.04.1998 Western Suburbs (VIC) | 5 | 361 | 378 |
| 21.03.1999 Prahran (VIC) | 5 | 324 | 412 |
| 17.04.1999 Knox-Gully (VIC) | 4 | 411 | 313 |
| 18.07.1999 Nunawading (VIC) | 4 | 414 | 391 |
| Head-to-head after 4 games | 2 | 2 | |
| Average score | 377.5 | 373.5 | |
| Spread: | 16 | -16 | |