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| Merida $10,000 Hard | Feb 12 2006 |
| 1 | Flavia Mignola(2) - Villalobos | 1-6 6-3 6-1 |
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| San Cristobal $10,000 Hard | Feb 19 2006 |
| 1 | Villalobos(7) - Amy Wachenheim-Q | 6-0 6-0 |
| 2 | Villalobos(7) - Jennifer Rose Magley-Q | 6-4 6-4 |
| QF | Petra Russegger(3) - Villalobos(7) | 6-0 6-0 |
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| Acapulco Tier III Clay | Mar 5 2006 |
| Qual 1 | Villalobos-WC - Michaela Schumichrastova-WC | 6-1 6-0 |
| Qual 2 | Natalia Gussoni(7) - Villalobos-WC | 6-0 6-2 |
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| Poza Rica $25,000 Hard | Apr 2 2006 |
| Qual 1 | Villalobos | bye |
| Qual 2 | Giulia Casoni(6) - Villalobos | 6-3 6-4 |
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| Coatzacoalcos $25,000 Hard | Apr 9 2006 |
| Qual 1 | Villalobos - Alexandra Podkolzina | 5-7 6-2 6-4 |
| Qual 2 | Villalobos - Flavia Mignola(11) | 6-4 6-3 |
| Qual 3 | Andrea Benitez(1) - Villalobos | 7-5 6-1 |
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| San Luis Potosi $25,000 Clay | Apr 16 2006 |
| 1 | Zsofia Gubacsi(8) - Villalobos | 6-2 6-3 |
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| Mazatlan $10,000 Hard | May 7 2006 |
| 1 | Jelena Durisic-Q - Villalobos(7) | 6-4 6-2 |
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| Obregon $10,000 Hard | May 21 2006 |
| 1 | Villalobos(8) - Sarah Aulombard | 6-0 6-3 |
| 2 | Mariana Duque-Marino - Villalobos(8) | 6-2 6-2 |
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| Monterrey $10,000 Hard | May 28 2006 |
| 1 | Mariana Duque-Marino(5) - Villalobos | 7-5 6-3 |
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| Leon $10,000 Hard | Jun 4 2006 |
| Qual 1 | Villalobos(2) - Pamela Montes | 6-3 4-6 6-1 |
| Qual 2 | Villalobos(2) - Paola Iovino | 7-5 4-2 |
| 1 | Villalobos-Q - Andrea Koch-Benvenuto(4) | 7-5 6-3 |
| 2 | Villalobos-Q - Julianna Gates | 6-3 6-3 |
| QF | Nina Pantic - Villalobos-Q | 6-70 6-3 6-0 |
| | |
| Jalapa $10,000 Hard | Jun 11 2006 |
| Qual 1 | Villalobos(2) | bye |
| Qual 2 | Villalobos(2) - Givette Morales | 6-0 6-1 |
| 1 | Villalobos(8)-Q - Nadia Abdala-Q | 6-2 6-3 |
| 2 | Villalobos(8)-Q - Nazari Urbina-Q | 6-2 6-0 |
| QF | Villalobos(8)-Q - Erika Clarke | 7-63 7-5 |
| SF | Maria Irigoyen(6) - Villalobos(8)-Q | 6-4 6-1 |
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| Davos $10,000 Clay | Jun 25 2006 |
| Qual 1 | Villalobos(1) | bye |
| Qual 2 | Stefanie Alfery - Villalobos(1) | 6-3 6-4 |
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| Padova $25,000 Clay | Jul 2 2006 |
| Qual 1 | Alessia Bertoia - Villalobos | 6-3 6-76 6-2 |
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| Valladolid $25,000 Hard | Jul 9 2006 |
| Qual 1 | Villalobos(3) - Sabina Mediano | 6-0 6-1 |
| Qual 2 | Villalobos(3) - Macarena Rodriguez-Capilla | 6-1 6-3 |
| Qual 3 | Villalobos(3) - Sabrina Mendez-Dominguez(9) | 6-4 6-4 |
| 1 | Sarah Coles - Villalobos-Q | 6-1 4-6 6-2 |
| | |
| Tampico $10,000 Hard | Sep 17 2006 |
| 1 | Villalobos(4) - Jessica Ferguson | 6-1 6-1 |
| 2 | Villalobos(4) - Nazari Urbina | 6-1 6-2 |
| QF | Courtney Nagle(7) - Villalobos(4) | 7-64 |
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| Guadalajara $10,000 Clay | Sep 24 2006 |
| 1 | Nazari Urbina - Villalobos(4) | 6-3 5-7 7-63 |
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| Juarez $10,000 Clay | Oct 1 2006 |
| 1 | Villalobos(4) - Deyanir Solorio | 6-0 6-2 |
| 2 | Villalobos(4) - Chloe Mielgo | 6-3 6-0 |
| QF | Emma Murphy-Q - Villalobos(4) | 6-1 6-2 |
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| San Luis Potosi $25,000 Hard | Oct 8 2006 |
| 1 | Betina Jozami - Villalobos | 6-77 6-3 6-2 |
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| Saltillo $25,000 Hard | Oct 15 2006 |
| 1 | Villalobos - Nina Pantic-Q | 3-6 7-64 6-0 |
| 2 | Jorgelina Cravero(3) - Villalobos | 3-6 7-66 6-1 |
| | |
| Victoria $25,000 Hard | Oct 22 2006 |
| Qual 1 | Villalobos(7) | bye |
| Qual 2 | Villalobos(7) - Alana van Dervort(9) | 6-3 6-1 |
| 1 | Lauren Breadmore(5) - Villalobos-Q | 6-4 6-2 |
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| Mexico City $25,000 Hard | Nov 5 2006 |
| Qual 1 | Hilary Barte - Villalobos(10) | 6-2 6-3 |
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| Mexico City $25,000 Hard | Nov 12 2006 |
| Qual 1 | Villalobos(16) - Alejandra Granillo | 6-3 6-2 |
| Qual 2 | Laurene Fayol(4) - Villalobos(16) | 4-6 6-3 6-3 |
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| Mexico City $25,000 Clay | Nov 19 2006 |
| 1 | Frederica Piedade(5) - Villalobos | 7-5 6-4 |
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| Puebla $25,000 Hard | Nov 26 2006 |
| Qual 1 | Villalobos(14) - Yamile Fors Guerra | 2-6 6-0 6-3 |
| Qual 2 | Federica Quercia(6) - Villalobos(14) | 6-2 6-1 |