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| Tampa $25,000 Hard | Jan 15 2006 |
| Qual 1 | Tetiana Luzhanska - Tsoubanos | 6-3 6-0 |
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| Waikoloa $50,000 Hard | Jan 29 2006 |
| Qual 1 | Tiffany Eklov(8) - Tsoubanos | 6-4 2-6 6-1 |
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| Saguenay $25,000 Hard | Feb 19 2006 |
| Qual 1 | Tsoubanos(1) | bye |
| Qual 2 | Tsoubanos(1) - Marie-Pier Huet | 6-3 6-2 |
| 1 | Tsoubanos-Q - Larissa Carvalho | 6-4 3-6 6-1 |
| 2 | Tsoubanos-Q - Elizabeth Kobak-Q | 6-2 6-1 |
| QF | Valerie Tetreault - Tsoubanos-Q | 6-0 6-2 |
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| St. Paul $50,000 Hard | Feb 26 2006 |
| 1 | Tsoubanos - Chanelle Scheepers(8) | 6-2 6-3 |
| 2 | Ansley Cargill - Tsoubanos | 6-3 6-0 |
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| Las Vegas $75,000 Hard | Mar 5 2006 |
| Qual 1 | Olga Govortsova - Tsoubanos | 6-2 6-1 |
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| Orange $50,000 Hard | Mar 19 2006 |
| Qual 1 | Henrieta Nagyova(1) - Tsoubanos | 6-0 6-1 |
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| Redding $25,000 Hard | Mar 26 2006 |
| Qual 1 | Teodora Mircic - Tsoubanos | 6-3 7-61 |
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| Jackson $25,000 Clay | Apr 16 2006 |
| Qual 1 | Sofia Melikishvili(11) - Tsoubanos | 6-2 6-2 |
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| Rabat Tier IV Clay | May 21 2006 |
| Qual 1 | Tsoubanos - Lina Bennani-WC | 6-1 6-1 |
| Qual 2 | Anne Kremer(1) - Tsoubanos | 6-0 6-2 |
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| Allentown $25,000 Hard | Jun 18 2006 |
| 1 | Raquel Kops-Jones - Tsoubanos | 6-4 6-0 |
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| Albuquerque $75,000 Hard | Sep 24 2006 |
| Qual 1 | Tsoubanos - Katie Ruckert | 6-2 6-4 |
| Qual 2 | Evgeniya Rodina(1) - Tsoubanos | 6-3 6-2 |
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| San Francisco $50,000 Hard | Oct 15 2006 |
| Qual 1 | Tsoubanos - Ines Janbakhsh | 6-0 6-2 |
| Qual 2 | Tsoubanos - Johanna Larsson(3) | 6-1 6-2 |
| Qual 3 | Alexandra Stevenson(5) - Tsoubanos | 6-2 6-4 |
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| Pittsburgh $75,000 Hard | Nov 12 2006 |
| Qual 1 | Tsoubanos - Kim Anh Nguyen | 6-2 0-6 6-3 |
| Qual 2 | Vladimira Uhlirova - Tsoubanos | 7-5 3-6 7-64 |
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| Lawrenceville $50,000 Hard | Nov 19 2006 |
| Qual 1 | Tsoubanos - Samantha Powers | 6-1 6-1 |
| Qual 2 | Stacia Fonseca - Tsoubanos | 6-2 2-6 6-3 |