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| Telde $25,000 Clay | Mar 12 2006 |
| Qual 1 | Dominique Van Boekel - Ngo | 6-3 6-2 |
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| Fuerteventura $25,000 Hard | Mar 19 2006 |
| Qual 1 | Angelika Roesch(15) - Ngo | 6-1 6-3 |
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| Sabadell $10,000 Clay | Mar 26 2006 |
| Qual 1 | Ngo(16) - Elisa Simonetti | 6-2 6-1 |
| Qual 2 | Ngo(16) - Farah Abougeib-Selo | 5-7 6-4 6-3 |
| Qual 3 | Ngo(16) - Karolina Nowak(8) | 6-2 6-0 |
| 1 | Ana Salas Lozano(8) - Ngo-Q | 4-6 6-2 6-1 |
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| Vic $10,000 Clay | May 7 2006 |
| Qual 1 | Ngo(15) - Marta Espigado | 6-1 6-0 |
| Qual 2 | Ngo(15) - Anna Miguel | walkover |
| Qual 3 | Nuria Sanchez Garcia - Ngo(15) | 7-5 6-3 |
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| Tortosa $10,000 Clay | Jun 4 2006 |
| Qual 1 | Ngo(13) - Anna Miguel | 6-3 6-1 |
| Qual 2 | Alexia Virgili - Ngo(13) | 6-1 6-2 |
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| Mostoles $25,000 Hard | Jun 11 2006 |
| Qual 1 | Ngo - Veronica Saucedo | 6-1 6-2 |
| Qual 2 | Abbie Probert(10) - Ngo | 5-7 6-3 6-4 |
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| Llerona $10,000 Hard | Jun 18 2006 |
| Qual 1 | Ngo(2) | bye |
| Qual 2 | Federica Suess - Ngo(2) | 6-3 6-4 |
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| Getxo $10,000 Clay | Jul 2 2006 |
| Qual 1 | Ngo(4) | bye |
| Qual 2 | Lucia Cervera-Vazquez - Ngo(4) | 6-2 3-6 6-4 |
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| Valladolid $25,000 Hard | Jul 9 2006 |
| Qual 1 | Sandra Del Rey Guardiola - Ngo | 3-6 7-5 6-4 |
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| La Coruna $10,000 Hard | Jul 30 2006 |
| Qual 1 | Ngo - Ana Ruiz Fernandez | 6-1 6-1 |
| Qual 2 | Ngo - Paloma Diaz-Sada(16) | 6-3 7-5 |
| Qual 3 | Cynthia Prieto-Garcia(2) - Ngo | 6-1 6-0 |
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| Vigo $25,000 Hard | Aug 6 2006 |
| Qual 1 | Ngo - Sandra Fornes | 6-0 6-2 |
| Qual 2 | Nuria Sanchez Garcia(10) - Ngo | 6-1 6-4 |
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| Coimbra $25,000 Hard | Aug 13 2006 |
| Qual 1 | Ngo - Suzana Dos Anjos | 4-6 6-4 6-2 |
| Qual 2 | Magali De Lattre(1) - Ngo | 7-5 6-2 |
| | |
| Tre Castagni $10,000 Clay | Aug 27 2006 |
| Qual 1 | Ngo(10) - Giada Reccardini | walkover |
| Qual 2 | Ngo(10) - Micaela Moroni(5) | 7-5 6-0 |
| 1 | Ngo-Q - Alessandra Ferrazzi | 4-6 6-3 6-4 |
| 2 | Lisa Sabino(5) - Ngo-Q | 6-0 6-2 |
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| Vittoria $10,000 Clay | Sep 3 2006 |
| Qual 1 | Francesca Campigotto - Ngo(9) | 6-1 7-63 |
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| Lleida $10,000 Clay | Sep 17 2006 |
| 1 | Ines Ferrer Suarez-Q - Ngo | 6-2 1-1 |
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| Benicarlo $10,000 Clay | Oct 15 2006 |
| Qual 1 | Ngo(8) | bye |
| Qual 2 | Ngo(8) - Julie Stas | 6-3 5-7 6-2 |
| Qual 3 | Lucia Cervera-Vazquez(9) - Ngo(8) | 6-2 6-1 |
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| Saint. Cugat $25,000 Clay | Oct 29 2006 |
| Qual 1 | Ines Ferrer Suarez - Ngo | 6-2 7-64 |
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| Mallorca $10,000 Clay | Nov 12 2006 |
| Qual 1 | Ngo(9) | bye |
| Qual 2 | Bistra Otashliyska - Ngo(9) | 2-6 6-3 7-64 |
| | |
| Mallorca $10,000 Clay | Nov 19 2006 |
| Qual 1 | Ngo - Carolina Prats-Millan | 6-0 6-1 |
| Qual 2 | Madalina Lupu - Ngo | 6-2 6-1 |