| Date | Tournament | State | 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 | 400.85 | 375.23 | |||
| Spread | 333 | -333 | |||