| Women World Cup 2007 China - Appearances as Referee |  |
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| 15/09/2007 | Denmark | - | New Zealand | 2:0 | 3 | - | - |
| 18/09/2007 | Nigeria | - | USA | 0:1 | 1 | - | - |
| Women World Cup 2007 China - Appearances as Referee | |
|
|
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| 15/09/2007 | Denmark | - | New Zealand | 2:0 | 3 | - | - |
| 18/09/2007 | Nigeria | - | USA | 0:1 | 1 | - | - |
| Complete name: | Mayumi Oiwa |
| Born: | 11/04/1972 |
| Place of birth: |
Japan |
| Nationality: |
Japan |