Matches Directed by Referee A. Koizumi and Results, Referee Career
| Time | Status | Home | Score | Away | |||
|---|---|---|---|---|---|---|---|
 Japan - WE League ( League ) |
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| 19/04/2025 08:00 | FT | Elfen Saitama W | 0-1 | Omiya Ardija Ventus W | |||
| 12/04/2025 11:00 | FT | Tokyo Verdy Beleza W | 1-0 | Sanfrecce Hiroshima W | |||
| 16/11/2024 08:00 | FT | Cerezo Osaka W | 1-3 | Parceiro Nagano W | |||
| 10/11/2024 06:00 | FT | Elfen Saitama W | 2-2 | INAC Kobe Leonessa W | |||
 World - World Cup - U17 - Women ( Cup ) |
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| 01/11/2024 02:00 | FT | Spain U17 W | 3-0 | England U17 W | |||
| 20/10/2024 02:00 | FT | Dominican Republic W U17 | 1-1 | New Zealand U17 W | |||
| 16/10/2024 23:00 | FT | Spain U17 W | 3-1 | United States W U17 | |||
| Japan - WE League ( League ) |
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| 06/10/2024 10:00 | FT | INAC Kobe Leonessa W | 3-2 | Parceiro Nagano W | |||
| 29/09/2024 11:00 | FT | Tokyo Verdy Beleza W | 3-1 | Albirex Niigata W | |||
| 22/09/2024 08:00 | FT | Nojima Stella W | 0-0 | Omiya Ardija Ventus W | |||
| 14/09/2024 12:00 | FT | INAC Kobe Leonessa W | 1-1 | Sanfrecce Hiroshima W | |||
| Japan - WE League ( League ) |
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| 25/05/2024 08:00 | FT | Urawa Reds W | 3-3 | Tokyo Verdy Beleza W | |||
| 19/05/2024 08:00 | FT | Cerezo Osaka W | 1-2 | Vegalta Sendai | |||
| 12/05/2024 07:00 | FT | JEF United W | 2-1 | INAC Kobe Leonessa W | |||
| 06/05/2024 09:00 | FT | Parceiro Nagano W | 0-3 | Tokyo Verdy Beleza W | |||
| 02/05/2024 06:00 | FT | INAC Kobe Leonessa W | 3-0 | Elfen Saitama W | |||
| 28/04/2024 07:00 | FT | Albirex Niigata W | 2-1 | JEF United W | |||
| 14/04/2024 07:00 | FT | Albirex Niigata W | 0-1 | Omiya Ardija Ventus W | |||
| 31/03/2024 08:00 | FT | Cerezo Osaka W | 1-2 | INAC Kobe Leonessa W | |||
| 27/03/2024 08:00 | FT | Urawa Reds W | 2-0 | Albirex Niigata W | |||
| 24/03/2024 08:00 | FT | Tokyo Verdy Beleza W | 2-1 | Sanfrecce Hiroshima W | |||
 World - AFC U20 Asian Cup - Women ( Cup ) |
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| 16/03/2024 11:00 | FT | Australia U20 W | 1-0 | Korea Republic U20 W | |||
| 03/03/2024 03:00 | FT | Korea Republic U20 W | 1-2 | Australia U20 W | |||
| Japan - WE League ( League ) |
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| 07/01/2024 08:00 | FT | Urawa Reds W | 3-1 | Omiya Ardija Ventus W | |||
| 13/12/2023 10:00 | FT | INAC Kobe Leonessa W | 1-1 | Omiya Ardija Ventus W | |||
| 10/12/2023 07:00 | FT | Albirex Niigata W | 2-0 | Urawa Reds W | |||
 Australia - A-League Women ( League ) |
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| 26/11/2023 06:00 | FT | Melbourne Victory W | 2-1 | Central Coast Mariners W | |||
| 19/11/2023 08:00 | FT | Newcastle Jets FC W | 2-3 | Melbourne City W | |||
 World - Olympics Women - Qualification Asia ( Cup ) |
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| 26/10/2023 11:00 | FT | Chinese Taipei W | 1-4 | Philippines W | |||
| Japan - WE League ( League ) |
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| 03/06/2023 08:00 | FT | Urawa Reds W | 4-0 | Omiya Ardija Ventus W | |||
| 21/05/2023 08:00 | FT | Urawa Reds W | 3-0 | JEF United W | |||
| 07/05/2023 08:00 | FT | Nojima Stella W | 0-2 | INAC Kobe Leonessa W | |||
| 03/05/2023 08:00 | FT | Sanfrecce Hiroshima W | 1-2 | Urawa Reds W | |||
| 25/03/2023 07:00 | FT | Albirex Niigata W | 0-3 | Elfen Saitama W | |||
| 19/03/2023 08:00 | FT | Tokyo Verdy Beleza W | 1-1 | INAC Kobe Leonessa W | |||
| 03/12/2022 08:00 | FT | Omiya Ardija Ventus W | 0-3 | Urawa Reds W | |||
| 26/11/2022 08:00 | FT | Sanfrecce Hiroshima W | 1-1 | INAC Kobe Leonessa W | |||
 England - Women's Championship ( League ) |
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| 30/10/2022 17:00 | - | Charlton Athletic W | - | Bristol City W | |||
| Japan - WE League ( League ) |
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| 22/10/2022 07:00 | FT | Vegalta Sendai | 3-1 | Elfen Saitama W | |||
