| Score | +/- | Tävling | År | Tour | Bana | Par | Lista |
| 64 | -8 | Australian PGA Championship | 2003 | PGA Tour of Australasia | Hyatt Coolum | 72 | Lista |
| 64 | -8 | SEO | 1989 | DP World Tour | Drottningholm | 72 | Lista |
| 64 | -8 | Deutsche Bank TPC Open | 1998 | DP World Tour | Gut Kaden | 72 | Lista |
| 65 | -7 | PLM Open | 1989 | DP World Tour | Bokskogen | 72 | Lista |
| 64 | -7 | PLM Open | 1986 | DP World Tour | Falsterbo | 71 | Lista |
| 65 | -7 | BMW International Open | 1998 | DP World Tour | Golfplatz München | 72 | Lista |
| 65 | -7 | Schweppes Coolum Classic | 1998 | PGA Tour of Australasia | Hyatt Coolum | 72 | Lista |
| 65 | -7 | Australian PGA Championship | 2003 | PGA Tour of Australasia | Hyatt Coolum | 72 | Lista |
| 64 | -7 | BA-CA Golf Open by Telekom Austria | 2006 | DP World Tour | Fontana | 71 | Lista |
| 67 | -6 | ANZ Players Championship | 1999 | PGA Tour of Australasia | Royal Queensland | 73 | Lista |
| 66 | -6 | SEO | 1988 | DP World Tour | Drottningholm | 72 | Lista |
| 66 | -6 | HSBC New Zealand PGA Championship | 2007 | Korn Ferry Tour | Clearwater | 72 | Lista |
| 63 | -6 | The Celtic Manor Wales Open | 2005 | DP World Tour | The Celtic Manor Resort Newport | 69 | Lista |
| 66 | -6 | Linde German Masters | 2005 | DP World Tour | Gut Lärchenhof | 72 | Lista |
| 67 | -6 | Greg Norman Holden International | 2000 | DP World Tour | The Lakes | 73 | Lista |
| 66 | -6 | Canon Challenge | 2001 | PGA Tour of Australasia | Castle Hill | 72 | Lista |
| 66 | -6 | Heineken Classic | 1999 | DP World Tour | The Vines Resort | 72 | Lista |
| 66 | -6 | Deutsche Bank TPC Open | 1999 | DP World Tour | St Leon Rot | 72 | Lista |
| 66 | -6 | Holden New Zealand Open | 2005 | DP World Tour | Gulf Harbour Resort | 72 | Lista |
| 66 | -6 | ISPS HANDA Perth International | 2016 | DP World Tour | Lake Karrinyup CC | 72 | Lista |