| Tournament | Round | Harry Malcolm | Joan Rosenthal |
| 01.08.1999 Winter Masters (NSW) | 12 | 328 | 389 |
| 16.04.2001 Australian Championships (VIC) | 18 | 359 | 382 |
| 27.01.2002 City of Sydney International Masters (NSW) | 5 | 400 | 332 |
| 17.04.2005 NSW/Victoria Border Challenge, Wagga Wagga (NSW) | 4 | 290 | 497 |
| 08.09.2007 AUST MASTERS & STATE CHALLENGE (VIC) | 10 | 319 | 501 |
| Head-to-head after 5 games | 1 | 4 | |
| Average score | 339.2 | 420.2 | |
| Spread: | -405 | 405 | |