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| Innisbrook $25,000 Clay | Jan 13 2013 |
| 1 | Muhammad - Shuai Zhang(1) | 6-3 6-4 |
| 2 | Hilda Melander - Muhammad | 5-7 6-0 6-2 |
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| Port St. Lucie $25,000 Clay | Jan 20 2013 |
| Qual 1 | Muhammad(10) - Kim Kermet | 6-1 6-1 |
| Qual 2 | Muhammad(10) - Stephanie Nemtsova | 6-2 6-4 |
| Qual 3 | Muhammad(10) - Laura Thorpe(2) | 6-2 2-0 |
| 1 | Belinda Bencic - Muhammad | 7-65 4-6 6-2 |
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| Midland $100,000 Hard | Feb 10 2013 |
| 1 | Olga Puchkova(6) - Muhammad | 6-3 6-2 |
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| Rancho Santa Fe $25,000 Hard | Feb 17 2013 |
| Qual 1 | Muhammad - Monica Robinson | 6-1 6-4 |
| Qual 2 | Muhammad - Yuka Higuchi | 6-2 3-6 6-1 |
| Qual 3 | Muhammad - Lenka Wienerova(10) | 6-3 7-65 |
| 1 | Mayo Hibi - Muhammad | 6-3 6-2 |
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| Monterrey International Hard | Apr 7 2013 |
| Qual 1 | Laura Pous-Tio - Muhammad | 6-3 7-65 |
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| Dothan $50,000 Clay | Apr 21 2013 |
| Qual 1 | Angelique Van Der Meet(3) - Muhammad | 6-1 6-1 |
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| Charlottesville $50,000 Clay | Apr 28 2013 |
| Qual 1 | Jennifer Elie(4) - Muhammad | 6-2 7-63 |
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| Indian Harbour Beach $50,000 Clay | May 5 2013 |
| Qual 1 | Muhammad(5) - Sonja Molnar | 6-2 6-0 |
| Qual 2 | Muhammad(5) - Mari Osaka | 6-2 6-75 6-4 |
| Qual 3 | Jelena Pandzic(3) - Muhammad(5) | 2-6 7-5 6-1 |
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| Raleigh $25,000 Clay | May 12 2013 |
| 1 | Muhammad - Maria-Fernanda Alves | 6-1 6-74 7-65 |
| 2 | Muhammad - Taylor L. Davidson | 5-7 6-2 6-2 |
| QF | Muhammad - Jamie Loeb | 6-3 6-3 |
| SF | Muhammad - Samantha Crawford(1) | 6-2 7-5 |
| F | Muhammad - Chalena Scholl | 6-2 6-2 |
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| Strasbourg International Clay | May 26 2013 |
| Qual 1 | Katarzyna Piter - Muhammad | 6-1 6-1 |
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| Marseille $100,000 Clay | Jun 9 2013 |
| Qual 1 | Imane Maelle Kocher - Muhammad(7) | 1-6 7-5 7-63 |
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| Sacramento $50,000 Hard | Jul 7 2013 |
| 1 | Heidi El Tabakh(7) - Muhammad | 4-6 6-3 6-3 |