| Tournament | Round | Harry Malcolm | Ivor Zetler |
| 21.01.1999 City of Sydney Masters (NSW) | 17 | 391 | 300 |
| 25.01.2004 City of Sydney International Masters (NSW) | 7 | 444 | 426 |
| 30.01.2005 City of Sydney International Masters (NSW) | 14 | 338 | 289 |
| Head-to-head after 3 games | 3 | 0 | |
| Average score | 391 | 338.33 | |
| Spread: | 158 | -158 | |