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| Tampa $10,000 Hard | Jan 18 2004 |
| Qual 1 | Inoue - Marnie Mahler | 6-3 6-2 |
| Qual 2 | Mariana Correa(16) - Inoue | 6-3 4-6 6-1 |
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| Boca Raton $10,000 Hard | Jan 25 2004 |
| Qual 1 | Stacia Fonseca - Inoue | 6-1 6-0 |
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| Boca Raton $10,000 Hard | Feb 1 2004 |
| Qual 1 | Inoue - Elizabeth Freeman-Young | 6-1 6-1 |
| Qual 2 | Nicole Melch(2) - Inoue | 6-3 6-0 |
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| Morelia $10,000 Hard | Apr 18 2004 |
| Qual 1 | Inoue - Jessica Weyreuter(13) | 6-2 7-64 |
| Qual 2 | Stephanie Schaer(2) - Inoue | 7-5 6-3 |
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| Merida $10,000 Hard | May 9 2004 |
| Qual 1 | Inoue - Marie-Jose Lopez-Herrera | 6-4 6-1 |
| 1 | Soledad Esperon(5) - Inoue-Q | 6-1 6-0 |
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| Hilton Head $10,000 Hard | Jun 6 2004 |
| Qual 1 | Inoue | bye |
| Qual 2 | Inoue - Courtney Vernon(7) | 0-6 6-4 7-5 |
| Qual 3 | Inoue - Rebecca Erickson | 6-1 6-0 |
| Qual 4 | Inoue - Lindsey Shosho | 6-2 6-3 |
| 1 | Cory Ann Avants(1) - Inoue-Q | 6-1 6-0 |
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| Hamilton $25,000 Clay | Jun 13 2004 |
| Qual 1 | Inoue - Hiromi Okazaki(8) | 7-5 6-0 |
| Qual 2 | Marie-Jose Lopez-Herrera(13) - Inoue | 6-1 6-2 |
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| Mont-Tremblant $10,000 Clay | Jun 20 2004 |
| Qual 1 | Inoue | bye |
| Qual 2 | Marie-Jose Lopez-Herrera(5) - Inoue | 6-4 6-3 |
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| Baltimore $10,000 Hard | Jul 18 2004 |
| Qual 1 | Inoue(15) - Caroline Stanislawski | 6-3 6-2 |
| Qual 2 | Inoue(15) - Tara Iyer | 6-4 6-4 |
| Qual 3 | Beau Jones(7) - Inoue(15) | 7-63 7-5 |
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| Caracas $10,000 Hard | Aug 15 2004 |
| Qual 1 | Inoue(1) | bye |
| Qual 2 | Inoue(1) - Ashley Silva-WC | 6-1 6-3 |
| 1 | Inoue-Q - Ana Gloria Osorio-Q | 6-3 6-0 |
| 2 | Leticia Sobral(5) - Inoue-Q | 6-0 3-6 6-2 |
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| Mexico City $10,000 Hard | Sep 5 2004 |
| 1 | Lauren Barnikow-Q - Inoue | 6-4 6-3 |
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| CD Victoria $10,000 Hard | Sep 12 2004 |
| 1 | Erika Clarke(2) - Inoue | 6-1 7-5 |
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| Matamoros $10,000 Hard | Sep 19 2004 |
| 1 | Inoue - Tanja Ostertag(7) | 1-6 6-2 3-1 |
| 2 | Virginia Donda - Inoue | 4-6 7-5 6-1 |
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| Tunica Resorts $25,000 Clay | Sep 26 2004 |
| Qual 1 | Inoue(3) | bye |
| Qual 2 | Anamika Bhargava - Inoue(3) | 3-6 6-2 6-2 |
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| Troy $50,000 Hard | Oct 3 2004 |
| Qual 1 | Inoue - Chrissie Seredni | 6-3 6-3 |
| Qual 2 | Svetlana Krivencheva(2) - Inoue | 6-1 6-0 |
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| Lafayette $25,000 Clay | Oct 10 2004 |
| Qual 1 | Inoue - Whitney Jones(16) | 7-5 6-3 |
| Qual 2 | Dominique Van Boekel(7) - Inoue | 6-2 2-6 6-1 |
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| Haibara $25,000 Carpet | Oct 24 2004 |
| Qual 1 | Kumiko Iijima(6) - Inoue | 6-4 6-2 |
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| Tokyo $10,000 Hard | Oct 31 2004 |
| Qual 1 | Inoue(2) - Yuka Higuchi | 6-1 6-1 |
| Qual 2 | Inoue(2) - Natsumi Tsubo | 6-4 6-4 |
| 1 | Eri Nozawa-Q - Inoue-Q | 6-2 6-3 |
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| Sutama $25,000 Clay | Nov 7 2004 |
| Qual 1 | Inoue(12) - Yukiyo Hara | 6-3 2-6 6-2 |
| Qual 2 | Mitsuko Ise(5) - Inoue(12) | 6-1 6-2 |
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| Tucson $50,000 Hard | Nov 21 2004 |
| Qual 1 | Daniela Klemenschits - Inoue-WC | 6-2 6-3 |
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| San Luis Potosi $25,000 Hard | Nov 28 2004 |
| Qual 1 | Magdalena Kiszczynska(2) - Inoue | 6-0 6-3 |