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 Hirosaka, Masami | ||||||
| No. | Rank | Points | Date | City | Season | |
| 1 | 1 | 0 | 1989 |  | St Ives | 1989 |
| 2 | 1 | 0 | 1991 |  | Detroit, MI | 1991 |
| 3 | 4 | 0 | 08.08.1993 |  | Basildon | 1993 |
| 4 | 3 | 0 | 15.08.1997 | | Pomona | 1997 |
| 5 | 1 | 0 | 05.08.1999 |  | Rauma | 1999 |
| 6 | 6 | 0 | 13.08.2005 |  | Collegno | 2005 |
| 7 | 4 | 0 | 16.09.2007 | | Hakusan Ichirino | 2007 |
