| Tournament | Round | Joy Gay | Joan Riley |
| 15.04.1998 Australian Championships (TAS) | 7 | 291 | 287 |
| 05.07.1998 Southern Tasmania (TAS) | 3 | 271 | 394 |
| 19.09.1998 Tasmanian Championships (TAS) | 1 | 305 | 381 |
| 31.10.1999 Tasmanian Championships (TAS) | 10 | 410 | 328 |
| 24.03.2000 Hobart March (TAS) | 1 | 356 | 312 |
| 21.05.2000 May (TAS) | 9 | 403 | 334 |
| 29.10.2000 Hobart October (TAS) | 3 | 283 | 434 |
| 31.03.2001 Tasmania March (TAS) | 8 | 269 | 381 |
| 09.03.2002 Glenorchy (TAS) | 3 | 333 | 320 |
| 26.05.2002 Bellerive (TAS) | 3 | 451 | 298 |
| 27.10.2002 Tasmnaian Championships (TAS) | 9 | 420 | 396 |
| 19.10.2003 Tasmanian Championships (TAS) | 4 | 360 | 355 |
| Head-to-head after 12 games | 8 | 4 | |
| Average score | 346 | 351.66 | |
| Spread: | -68 | 68 | |