| Tournament | Round | Hari Nanayakkara | Joan Buchanan |
| 23.02.2002 Wollongong (NSW) | 1 | 361 | 291 |
| 07.09.2002 St George (NSW) | 1 | 312 | 437 |
| 17.08.2003 Revesby (NSW) | 3 | 492 | 294 |
| 09.11.2003 Sydney (NSW) | 6 | 504 | 363 |
| 19.08.2006 Revesby (NSW) | 7 | 396 | 316 |
| 17.02.2007 Wollongong (NSW) | 5 | 386 | 362 |
| 15.07.2007 Winter Challenge (NSW) | 6 | 405 | 408 |
| 25.08.2007 Revesby (NSW) | 6 | 448 | 421 |
| 16.02.2008 Wollongong WORDS Round Robin (NSW) | 9 | 371 | 286 |
| Head-to-head after 9 games | 7 | 2 | |
| Average score | 408.33 | 353.11 | |