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 Hirosaka, Masami | |||||||
| No. | Rank | Points | Date | City | Class | Season | |
| 1 | 1 | 0 | 1987 |  | Romsey | 4WD | 1987 |
| 2 | 1 | 0 | 1988 |  | Baarn | 1:12 | 1988 |
| 3 | 1 | 0 | 1989 |  | St Ives | 2WD | 1989 |
| 4 | 1 | 0 | 1989 | | St Ives | 4WD | 1989 |
| 5 | 1 | 0 | 1991 |  | Detroit, MI | 2WD | 1991 |
| 6 | 2 | 0 | 1991 | | Detroit, MI | 4WD | 1991 |
| 7 | 4 | 0 | 08.08.1993 | | Basildon | 2WD | 1993 |
| 8 | 1 | 0 | 08.08.1993 | | Basildon | 4WD | 1993 |
| 9 | 3 | 0 | 1994 |  | Paris | 1:12 | 1994 |
| 10 | 1 | 0 | 24.07.1994 | | Sonneberg | Pro 10 | 1994 |
| 11 | 3 | 0 | 1995 | | Tsukuba | 4WD | 1995 |
| 12 | 1 | 0 | 1996 | | Ontario, CA | 1:12 | 1996 |
| 13 | 3 | 0 | 15.08.1997 | | Pomona | 2WD | 1997 |
| 14 | 1 | 0 | 15.08.1997 | | Pomona | 4WD | 1997 |
| 15 | 2 | 0 | 25.07.1998 | | South Tyneside | 1:12 | 1998 |
| 16 | 4 | 0 | 25.07.1998 | | South Tyneside | Pro 10 | 1998 |
| 17 | 1 | 0 | 05.08.1999 |  | Rauma | 2WD | 1999 |
| 18 | 14 | 0 | 05.08.1999 | | Rauma | 4WD | 1999 |
| 19 | 1 | 0 | 2000 | | Tsukuba | 1:12 | 2000 |
| 20 | 1 | 0 | 2000 | | Tsukuba | Pro 10 | 2000 |
| 21 | 1 | 0 | 19.05.2002 |  | Krugersdorp | 1:12 | 2002 |
| 22 | 4 | 0 | 19.05.2002 | | Krugersdorp | Elec 1:10 | 2002 |
| 23 | 1 | 0 | 30.10.2004 | | Kissimmee, FL | 1:12 | 2004 |
| 24 | 4 | 0 | 30.10.2004 | | Kissimmee, FL | Elec 1:10 | 2004 |
| 25 | 6 | 0 | 13.08.2005 |  | Collegno | 2WD | 2005 |
| 26 | 5 | 0 | 13.08.2005 | | Collegno | 4WD | 2005 |
| 27 | 2 | 0 | 08.07.2006 | | Collegno | Elec 1:10 | 2006 |
| 28 | 4 | 0 | 16.09.2007 | | Hakusan Ichirino | 2WD | 2007 |
| 29 | 4 | 0 | 16.09.2007 | | Hakusan Ichirino | 4WD | 2007 |
| 30 | 3 | 0 | 16.11.2008 |  | Bangkok | Elec 1:10 | 2008 |
