| Rank | Athlete | Year | Event | Raw | To-Par | Par |
| 1 | John Haas | 1973-74 | 3/27-30 Miami Invitational | 80 | 8 | 72 |
| 2 | John Wooleyhan | 1969-70 | 3/25-28 Miami Invitational | 81 | 9 | 72 |
| Bert Wilson | 1973-74 | 3/27-30 Miami Invitational | 81 | 9 | 72 | |
| 4 | Steve Isaacs | 1969-70 | 3/25-28 Miami Invitational | 82 | 10 | 72 |
| Bob Beason | 1969-70 | 3/25-28 Miami Invitational | 82 | 10 | 72 | |
| Dave Johnson | 1969-70 | 3/25-28 Miami Invitational | 82 | 10 | 72 | |
| 7 | Steve Demchyk | 1969-70 | 3/25-28 Miami Invitational | 84 | 12 | 72 |
| Russell Brown | 1973-74 | 3/27-30 Miami Invitational | 84 | 12 | 72 | |
| Doug Sankey | 1969-70 | 3/25-28 Miami Invitational | 84 | 12 | 72 | |
| Dave Brosman | 1973-74 | 3/27-30 Miami Invitational | 84 | 12 | 72 | |
| John MacIntyre | 1973-74 | 3/27-30 Miami Invitational | 84 | 12 | 72 |