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| Tampa $10,000 Hard | Jan 16 2005 |
| 1 | Tiya Rolle-Q - Riske | 6-4 6-3 |
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| Miami $10,000 Hard | Jan 23 2005 |
| 1 | Clarisa Fernandez(8) - Riske | 7-5 6-2 |
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| Rockford $25,000 Hard | Feb 6 2005 |
| Qual 1 | Aleke Tsoubanos-WC - Riske(14) | 6-4 6-3 |
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| Midland $75,000 Hard | Feb 13 2005 |
| Qual 1 | Riske - Tiya Rolle | 6-2 6-2 |
| Qual 2 | Megan Falcon - Riske | 7-5 7-63 |
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| St Paul $50,000 Hard | Feb 27 2005 |
| Qual 1 | Raquel Kops-Jones-WC - Riske | 6-3 6-4 |
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| Redding $25,000 Hard | Mar 27 2005 |
| Qual 1 | Riske - Raquel Kops-Jones | 1-6 6-3 6-2 |
| Qual 2 | Seiko Okamoto(1) - Riske(13) | 6-74 6-3 6-0 |
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| Coatzacoalcos $25,000 Hard | Apr 10 2005 |
| Qual 1 | Mathilde Johansson(7) - Riske | 6-3 6-75 6-1 |
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| Dothan $75,000 Clay | Apr 24 2005 |
| Qual 1 | Christy Striplin - Riske | 7-5 6-1 |
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| Lafayette $50,000 Clay | May 1 2005 |
| Qual 1 | Riske - Elizabeth Kobak | 7-5 6-2 |
| Qual 2 | Riske - Betina Jozami | 2-6 6-2 6-1 |
| Qual 3 | Tina Schiechtl - Riske | 6-0 3-6 6-4 |
| 1 | Maria-Fernanda Alves(6) - Riske-LL | 6-3 6-1 |
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| Raleigh $75,000 Clay | May 8 2005 |
| Qual 1 | Christina Wheeler - Riske | 6-4 7-5 |
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| Charlottesville $50,000 Clay | May 15 2005 |
| Qual 1 | Aneta Soukup - Riske | 6-3 6-2 |
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| Hilton Head Island $10,000 Hard | Jun 5 2005 |
| 1 | Kristy Frilling - Riske(8) | 6-79 6-4 6-4 |
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| Allentown $25,000 Hard | Jun 12 2005 |
| 1 | Tetiana Luzhanska-Q - Riske | 2-6 6-2 7-62 |
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| Edmond $10,000 Hard | Jun 26 2005 |
| 1 | Riske(5) - Lindsey Nelson | 6-3 6-3 |
| 2 | Riske(5) - Ana Maria Moura-Q | 6-0 6-1 |
| QF | Riske(5) - Nina Munch-Soegaard-Q | 6-1 7-67 |
| SF | Riske(5) - Tamara Encina | 3-6 6-1 6-2 |
| F | Riske(5) - Anda Perianu(3) | 3-6 6-3 6-4 |
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| South Lake $10,000 Hard | Jul 3 2005 |
| 1 | Riske(2) - Bo Verhulsdonk-Q | 6-4 6-2 |
| 2 | Riske(2) - Liina Suurvarik | 6-1 6-4 |
| QF | Megan Bradley - Riske(2) | 7-66 6-3 |
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| Louisville $50,000 Hard | Jul 17 2005 |
| Qual 1 | Riske - Mayumi Yamamoto(4) | 6-3 6-2 |
| Qual 2 | Riske - Andrea Koch-Benvenuto | 4-6 6-1 6-0 |
| Qual 3 | Riske - Tomoko Dokei | 7-5 7-64 |
| 1 | Riske-Q - Robin Stephenson | 6-73 6-3 6-0 |
| 2 | Camille Pin(5) - Riske-Q | 6-0 6-2 |
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| St . Joseph $10,000 Hard | Jul 31 2005 |
| 1 | Riske(4) - Megan Bradley-Q | 3-6 6-3 7-5 |
| 2 | Riske(4) - Nina Munch-Soegaard | 6-3 6-0 |
| QF | Riske(4) - Roxane Vaisemberg | 6-2 6-4 |
| SF | Riske(4) - Nicole Leimbach(8) | 7-5 6-3 |
| F | Wynne Prakusya(1) - Riske(4) | 6-2 6-4 |
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| Vancouver $25,000 Hard | Aug 7 2005 |
| 1 | Riske - Soledad Esperon(3) | 1-6 6-2 6-3 |
| 2 | Riske - Mireille Dittmann | 6-3 4-6 6-3 |
| QF | Liga Dekmeijere - Riske | 6-3 6-4 |
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| Albuquerque $75,000 Hard | Sep 25 2005 |
| 1 | Anastasia Rodionova - Riske | 6-4 6-1 |
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| Ashland $50,000 Hard | Oct 2 2005 |
| 1 | Tara Snyder - Riske | 6-3 7-62 |
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| Bolton $25,000 Hard | Oct 9 2005 |
| Qual 1 | Riske(2) - Joanna Craven | 6-4 6-0 |
| Qual 2 | Riske(2) - Anna Smith(12) | 6-2 5-7 6-3 |
| 1 | Katie O'Brien(8) - Riske-Q | 6-3 6-3 |
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| Jersey $25,000 Hard | Oct 16 2005 |
| Qual 1 | Riske(2) | bye |
| Qual 2 | Riske(2) - Katie Gouyette | 6-0 6-0 |
| Qual 3 | Eva Pera(14) - Riske(2) | 6-2 6-3 |
| 1 | Anna Smith - Riske-LL | 6-2 6-3 |
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| Toronto $25,000 Hard | Nov 13 2005 |
| 1 | Mandy Minella(7) - Riske | 6-3 2-6 7-61 |