| Tournament | Round | Joan Riley | Peter Wilkins |
| 05.07.1998 Southern Tasmania (TAS) | 5 | 321 | 377 |
| 31.10.2004 Tasmanian Championships (TAS) | 1 | 326 | 362 |
| 30.10.2005 Tasmanian Championships (TAS) | 11 | 321 | 391 |
| 24.06.2006 Bellerive (TAS) | 5 | 335 | 377 |
| 04.03.2007 Kingston (TAS) | 8 | 392 | 380 |
| Head-to-head after 5 games | 1 | 4 | |
| Average score | 339 | 377.4 | |
| Spread: | -192 | 192 | |