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| Tampa $10,000 Hard | Jan 16 2005 |
| Qual 1 | Lauren Albanese-WC - Seredni | 6-3 6-2 |
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| Waikoloa $50,000 Hard | Jan 30 2005 |
| Qual 1 | Remi Tezuka(2) - Seredni | 6-1 6-1 |
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| Bogota Tier III Clay | Feb 20 2005 |
| Qual 1 | Paula Zabala - Seredni | 6-3 6-1 |
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| Porto Santo $10,000 Hard | Apr 10 2005 |
| 1 | Seredni - Svenja Haymann | 6-4 6-4 |
| 2 | Maria Jose Argeri(1) - Seredni | 6-0 6-1 |
| | |
| Porto Santo $10,000 Hard | Apr 17 2005 |
| Qual 1 | Seredni(3) | bye |
| Qual 2 | Seredni(3) - Marta Arnes | 6-3 6-1 |
| Qual 3 | Lucy Fletcher(10) - Seredni(3) | 6-74 7-64 6-1 |
| 1 | Cristina Celani-Q - Seredni-LL | 6-4 6-3 |
| | |
| Porto Santo $10,000 Hard | Apr 24 2005 |
| 1 | Andrea Hofinger-Q - Seredni | 6-0 6-1 |
| | |
| Estoril Tier IV Clay | May 1 2005 |
| Qual 1 | Jaslyn Hewitt-WC - Seredni | 6-3 6-1 |
| | |
| Obregon $10,000 Hard | May 8 2005 |
| 1 | Hilda Zuleta(7) - Seredni | 6-3 6-1 |
| | |
| Charlottesville $50,000 Clay | May 15 2005 |
| Qual 1 | Raquel Kops-Jones - Seredni | 6-2 6-2 |
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| Mazatlan $10,000 Hard | May 22 2005 |
| 1 | Jorgelina Cravero(3) - Seredni | 6-0 6-0 |
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| Houston $10,000 Hard | May 29 2005 |
| 1 | Aleke Tsoubanos(7) - Seredni | 6-2 6-3 |
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| Monterrey $10,000 Hard | Jun 5 2005 |
| 1 | Manuela Esposito-Q - Seredni | 6-4 6-0 |
| | |
| Allentown $25,000 Hard | Jun 12 2005 |
| 1 | Jennifer Tuchband-Q - Seredni | 6-3 6-0 |
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| Fort Worth $10,000 Hard | Jun 19 2005 |
| 1 | Kewa Nichols - Seredni | 6-3 7-613 |
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| Edmond $10,000 Hard | Jun 26 2005 |
| 1 | Pascale Leroy(2) - Seredni | 6-1 6-2 |
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| Los Gatos $50,000 Hard | Jul 3 2005 |
| Qual 1 | Paula Zabala - Seredni | 6-1 6-1 |
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| Hamilton $25,000 Clay | Jul 17 2005 |
| Qual 1 | Seredni(2) - Jessica Williams | 6-0 2-6 6-3 |
| Qual 2 | Seredni(2) - Mari Yamauchi | 6-4 6-2 |
| 1 | Tiffany Dabek(1) - Seredni-Q | 6-1 6-1 |
| | |
| Cincinnati Tier III Hard | Jul 24 2005 |
| Qual 1 | Sybille Bammer(3) - Seredni-WC | 6-2 6-0 |
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| Santiago $10,000 Clay | Sep 11 2005 |
| 1 | Jesica Orselli-Q - Seredni | 6-1 7-64 |
| | |
| Matamoros $10,000 Hard | Sep 18 2005 |
| 1 | Stefi Gjine - Seredni | 6-3 6-3 |
| | |
| Albuquerque $75,000 Hard | Sep 25 2005 |
| Qual 1 | Julia Cohen(8) - Seredni | 6-0 6-2 |
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| Pelham $25,000 Clay | Oct 2 2005 |
| 1 | Tetiana Luzhanska - Seredni | 6-0 6-0 |
| | |
| Juarez $50,000 Clay | Oct 9 2005 |
| Qual 1 | Seredni(9) - Mari Yamauchi | 6-1 6-1 |
| Qual 2 | Anna Bartenstein - Seredni(9) | 6-4 6-1 |
| | |
| San Francisco $50,000 Hard | Oct 16 2005 |
| Qual 1 | Riza Zalameda - Seredni | 6-3 6-0 |
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| Houston $50,000 Hard | Oct 23 2005 |
| Qual 1 | Tiya Rolle - Seredni | 7-5 6-1 |
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| Quebec City Tier III Hard | Nov 6 2005 |
| Qual 1 | Aniko Kapros(6) - Seredni | 6-0 6-3 |
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| Shenzhen $50,000 Hard | Nov 13 2005 |
| Qual 1 | Seredni(2) | bye |
| Qual 2 | Jia Xiang Lu - Seredni(2) | 6-0 6-3 |
| | |
| Manila $10,000 Hard | Nov 20 2005 |
| 1 | Seredni(4) - Hiromi Okazaki-Q | 6-3 6-4 |
| 2 | Seredni(4) - Maja Kambic-Q | 7-5 6-4 |
| QF | Czarina Mae Arevalo - Seredni(4) | 6-3 6-1 |
| | |
| Havana $10,000 Hard | Dec 4 2005 |
| 1 | Seredni(3) - Sandra Mente-Ladanai-LL | 6-2 6-0 |
| 2 | Julianna Gates - Seredni(3) | 6-4 6-4 |