| Tournament | Round | Harry Malcolm | Jean McGiffen |
| 15.04.1998 Australian Championships (TAS) | 11 | 495 | 263 |
| 08.06.1998 Victorian Championships (VIC) | 17 | 346 | 435 |
| 01.08.1999 Winter Masters (NSW) | 8 | 479 | 316 |
| 04.10.1999 New South Wales Championships (NSW) | 18 | 497 | 365 |
| 27.01.2001 City of Sydney International Masters (NSW) | 14 | 388 | 351 |
| 27.01.2001 City of Sydney International Masters (NSW) | 16 | 390 | 453 |
| 01.04.2002 Australian Championships (WA) | 6 | 361 | 384 |
| 05.05.2002 NSW/Victoria Border Challenge Wagga Wagga (NSW) | 2 | 381 | 385 |
| 21.04.2003 Australian Championships (SA) | 18 | 411 | 323 |
| 21.11.2004 ACT Championships (ACT) | 2 | 382 | 381 |
| 30.01.2005 City of Sydney International Masters (NSW) | 7 | 365 | 394 |
| 18.09.2005 Australian Masters & State Challenge Trophy (VIC) | 16 | 383 | 456 |
| 29.01.2006 City of Sydney International Masters (NSW) | 3 | 333 | 372 |
| Head-to-head after 13 games | 6 | 7 | |
| Average score | 400.84 | 375.23 | |
| Spread: | 333 | -333 | |