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| Boca Raton $25,000 Clay | Jan 18 2009 |
| Qual 1 | Tetreault(7) - Aleksandra Josifoska | 6-4 6-1 |
| Qual 2 | Tetreault(7) - Zuzana Zlochova | 6-1 6-0 |
| Qual 3 | Nicole Riner(11) - Tetreault(7) | 6-4 6-2 |
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| Lutz $25,000 Clay | Jan 25 2009 |
| Qual 1 | Tetreault(10) - Alison Riske | 6-4 6-4 |
| Qual 2 | Tetreault(10) - Fernanda Hermenegildo | 6-0 6-2 |
| Qual 3 | Mashona Washington(1) - Tetreault(10) | 7-65 6-2 |
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| Midland $75,000 Hard | Feb 15 2009 |
| Qual 1 | Tetreault - Ahsha Rolle(2) | 7-5 6-1 |
| Qual 2 | Tetreault - Karolina Pliskova | 7-5 6-1 |
| Qual 3 | Tetreault - Darija Jurak | 6-2 6-78 6-2 |
| 1 | Tetreault - Rika Fujiwara | 6-2 6-2 |
| 2 | Stephanie Foretz Gacon(4) - Tetreault | 6-3 6-0 |
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| Irapuato $25,000 Hard | Mar 22 2009 |
| 1 | Tetreault - Maria Irigoyen | 6-2 6-73 6-4 |
| 2 | Tetreault - Soledad Esperon(4) | 6-1 6-1 |
| QF | Tetreault - Jorgelina Cravero(6) | 7-5 6-2 |
| SF | Natalia Ryzhonkova - Tetreault | 7-63 6-1 |
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| Moscow $25,000 Hard | Mar 29 2009 |
| 1 | Tetreault - Katerina Popova | 6-3 6-74 6-2 |
| 2 | Nina Bratchikova(7) - Tetreault | 6-1 6-3 |
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| San Severo $10,000 Clay | Apr 12 2009 |
| 1 | Tetreault(5) - Alessia Carrozzo | 6-0 6-0 |
| 2 | Tetreault(5) - Lara Meccico | 6-77 6-3 6-4 |
| QF | Anna Korzeniak(1) - Tetreault(5) | 7-62 6-4 |
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| Civitavecchia $25,000 Clay | Apr 19 2009 |
| Qual 1 | Tetreault(1) | bye |
| Qual 2 | Martina Di Giuseppe - Tetreault(1) | 6-2 3-6 7-5 |
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| Carson $50,000 Hard | May 31 2009 |
| 1 | Tetreault - Sacha Jones | 6-3 6-3 |
| 2 | Tetreault - Alina Jidkova | 3-6 6-2 6-1 |
| QF | Tetreault - Nicole Gibbs | 6-1 6-1 |
| SF | Tetreault - Julia Cohen | 6-0 6-1 |
| F | Tetreault - Alexandra Stevenson(8) | 4-6 6-2 6-4 |
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| El Paso $25,000 Hard | Jun 14 2009 |
| 1 | Tetreault(6) - Vivian Segnini | 6-1 6-1 |
| 2 | Tetreault(6) - Julia Cohen | 6-4 6-3 |
| QF | Tetreault(6) - Johanna Konta | 4-6 6-3 6-4 |
| SF | Tetreault(6) - Kimberly Couts(8) | 6-2 6-2 |
| F | Tetreault(6) - Mashona Washington(7) | 6-4 6-3 |
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| Waterloo $25,000 Clay | Jun 28 2009 |
| 1 | Tetreault(2) - Shilpa Joshi | 6-1 6-1 |
| 2 | Allie Will - Tetreault(2) | 6-3 6-3 |
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| Boston $50,000 Hard | Jul 5 2009 |
| 1 | Tetreault(5) - Ester Goldfeld | 6-4 6-1 |
| 2 | Tetreault(5) - Megan Moulton-Levy | 6-3 6-0 |
| QF | Alison Riske - Tetreault(5) | 5-7 6-4 6-4 |
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| Grapevine $50,000 Hard | Jul 12 2009 |
| 1 | Tetreault(6) - Chiaki Okadaue | 6-0 6-1 |
| 2 | Tetreault(6) - Julia Cohen | 6-0 6-1 |
| QF | Tetreault(6) - Rebecca Marino | 6-4 7-64 |
| SF | Tetreault(6) - Sacha Jones | 2-6 7-65 7-5 |
| F | Tetreault(6) - Stephanie Dubois(1) | 2-6 7-66 7-61 |
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| Lexington $50,000 Hard | Jul 26 2009 |
| 1 | Tetreault(5) - Julia Glushko | 6-0 6-4 |
| 2 | Lindsay Lee-Waters - Tetreault(5) | 6-4 6-3 |
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| Vancouver $75,000 Hard | Aug 9 2009 |
| 1 | Anna Tatishvili - Tetreault(4) | 7-62 6-1 |
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| Toronto Premier Hard | Aug 23 2009 |
| 1 | Agnes Szavay - Tetreault-WC | 6-2 6-4 |
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| US Open Hard | Sep 13 2009 |
| Qual 1 | Tetreault - Julia Vakulenko | 6-4 7-63 |
| Qual 2 | Tetreault - Karolina Sprem(14) | 6-4 6-3 |
| Qual 3 | Tetreault - Angela Haynes(27) | 6-4 6-74 7-5 |
| 1 | Magdalena Rybarikova - Tetreault-Q | 6-3 4-6 6-1 |
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| Quebec City International Carpet | Sep 20 2009 |
| 1 | Tetreault - Barbora Zahlavova Strycova | 6-2 6-1 |
| 2 | Lucie Safarova - Tetreault | 6-2 6-2 |
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| Saguenay $50,000 Hard | Sep 27 2009 |
| 1 | Tetreault(2) - Heather Watson | 5-7 7-65 7-5 |
| 2 | Tetreault(2) - Maria-Fernanda Alves | 6-2 5-7 6-0 |
| QF | Sofia Arvidsson(7) - Tetreault(2) | 6-0 6-3 |
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| Kansas City $50,000 Hard | Oct 18 2009 |
| 1 | Tetreault(4) - Agustina Lepore | 6-3 6-2 |
| 2 | Tetreault(4) - Jorgelina Cravero | 6-4 6-2 |
| QF | Tetreault(4) - Anna Tatishvili | 6-3 6-4 |
| SF | Tetreault(4) - Edina Gallovits-Hall(1) | 5-7 6-2 6-3 |
| F | Regina Kulikova(6) - Tetreault(4) | 6-4 6-1 |
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| Toronto $50,000 Hard | Nov 22 2009 |
| 1 | Tetreault(5) - Ryoko Fuda | 7-5 2-6 7-5 |
| 2 | Camila Giorgi - Tetreault(5) | 4-6 7-65 7-5 |