| Tournament | Round | Harry Malcolm | Esther Perrins |
| 27.01.2002 City of Sydney International Masters (NSW) | 14 | 397 | 387 |
| 27.01.2002 City of Sydney International Masters (NSW) | 18 | 397 | 323 |
| 27.01.2002 City of Sydney International Masters (NSW) | 20 | 319 | 365 |
| 25.01.2004 City of Sydney International Masters (NSW) | 18 | 340 | 380 |
| 30.01.2005 City of Sydney International Masters (NSW) | 18 | 376 | 366 |
| 09.04.2007 Australian Championships (NSW) | 22 | 411 | 432 |
| 08.09.2007 AUST MASTERS & STATE CHALLENGE (VIC) | 7 | 379 | 343 |
| 14.06.2010 Victorian Championship (VIC) | 7 | 399 | 488 |
| Head-to-head after 8 games | 4 | 4 | |
| Average score | 377.25 | 385.5 | |
| Spread: | -66 | 66 | |