| Tournament | Round | Joan Riley | Joy Gay |
| 15.04.1998 Australian Championships (TAS) | 7 | 287 | 291 |
| 05.07.1998 Southern Tasmania (TAS) | 3 | 394 | 271 |
| 19.09.1998 Tasmanian Championships (TAS) | 1 | 381 | 305 |
| 31.10.1999 Tasmanian Championships (TAS) | 10 | 328 | 410 |
| 24.03.2000 Hobart March (TAS) | 1 | 312 | 356 |
| 21.05.2000 May (TAS) | 9 | 334 | 403 |
| 29.10.2000 Hobart October (TAS) | 3 | 434 | 283 |
| 31.03.2001 Tasmania March (TAS) | 8 | 381 | 269 |
| 09.03.2002 Glenorchy (TAS) | 3 | 320 | 333 |
| 26.05.2002 Bellerive (TAS) | 3 | 298 | 451 |
| 27.10.2002 Tasmnaian Championships (TAS) | 9 | 396 | 420 |
| 19.10.2003 Tasmanian Championships (TAS) | 4 | 355 | 360 |
| Head-to-head after 12 games | 4 | 8 | |
| Average score | 351.66 | 346 | |