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| Lareda $10,000 Hard | Mar 9 2003 |
| 1 | Arevalo(6) - Ana Cecilia Trevino-WC | 6-3 6-0 |
| 2 | Christina Zachariadou - Arevalo(6) | 6-2 6-1 |
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| Matamoros $10,000 Clay | Mar 16 2003 |
| 1 | Jacqueline Froehlich - Arevalo(5) | 6-3 6-2 |
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| Monterrey $10,000 Clay | Mar 23 2003 |
| 1 | Arevalo - Karin Palme | 6-4 6-1 |
| 2 | Christina Zachariadou(6) - Arevalo | 4-6 6-1 6-4 |
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| Monterrey $10,000 Clay | Mar 30 2003 |
| 1 | Arevalo - Micaela Moran | 6-3 6-3 |
| QF | Kildine Chevalier(3) - Arevalo | 6-3 6-0 |
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| Coatzacoalcos $25,000 Hard | Apr 13 2003 |
| Qual 1 | Graciela Velez - Arevalo(3) | 6-4 6-74 7-65 |
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| San Luis Potosi $25,000 Clay | Apr 20 2003 |
| 1 | Giulia Casoni - Arevalo | 6-2 6-0 |
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| El Paso $10,000 Hard | May 25 2003 |
| 1 | Melissa Torres Sandoval(2) - Arevalo | 6-3 6-73 6-2 |
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| Houston $10,000 Hard | Jun 1 2003 |
| 1 | Shikha Uberoi - Arevalo | 6-4 6-1 |
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| Poza Rica $10,000 Hard | Jun 22 2003 |
| Qual 1 | Arevalo(1) | bye |
| Qual 2 | Betina Jozami - Arevalo(1) | 6-4 6-3 |
| 1 | Arevalo-LL - Marcela Ivo Rodezno Hernandez-Q | 6-2 6-0 |
| 2 | Arevalo-LL - Liz Cruz-Q | 6-1 6-3 |
| QF | Daniela Munoz Gallegos(4) - Arevalo-LL | 6-4 6-3 |
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| CD. Victoria $10,000 Hard | Jun 29 2003 |
| 1 | Arevalo(7) - Liz Cruz-Q | 6-2 6-3 |
| 2 | Arevalo(7) - Arpi Kojian-Q | 7-5 6-4 |
| QF | Leticia Sobral(3) - Arevalo(7) | 3-6 6-1 7-5 |
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| Monterrey $10,000 Hard | Jul 6 2003 |
| 1 | Arevalo(7) - Lilian Asuaje-WC | 6-0 6-0 |
| 2 | Marcela Evangelista - Arevalo(7) | 6-1 2-6 7-5 |
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| Campos Do Jordao $25,000 Hard | Jul 20 2003 |
| 1 | Annette Kolb - Arevalo | 6-75 6-3 6-3 |
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| Aguascalientes $10,000 Clay | Sep 28 2003 |
| 1 | Arevalo(6) - Ana Cecilia Trevino | 6-1 6-3 |
| 2 | Arevalo(6) - Alana van Dervort | 6-0 6-1 |
| QF | Arevalo(6) - Daniela Munoz Gallegos(4) | 6-1 6-3 |
| SF | Carla Tiene(1) - Arevalo(6) | 6-3 6-2 |
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| Guadalajara $10,000 Clay | Oct 5 2003 |
| 1 | Arevalo - Fernanda Caputi | 6-1 6-2 |
| 2 | Florencia Salvadores(6) - Arevalo | 7-63 6-1 |
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| CD. Juarez $50,000 Clay | Oct 12 2003 |
| Qual 1 | Marcela Arroyo Vergara - Arevalo | 6-4 6-4 |
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| Mexico City $25,000 Hard | Oct 19 2003 |
| Qual 1 | Arevalo(13) - Angelica Chavez-WC | 6-0 6-0 |
| Qual 2 | Arevalo(13) - Ana Cecilia Trevino | 6-4 6-1 |
| 1 | Nuria Llagostera Vives(1) - Arevalo-Q | 7-5 6-2 |
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| Obregon $10,000 Clay | Nov 2 2003 |
| 1 | Arevalo(6) - Nadja Kusterer | 7-5 6-4 |
| 2 | Arevalo(6) - Christina Fusano | 7-5 4-6 7-63 |
| QF | Ana Lucia Migliarini De Leon(2) - Arevalo(6) | 5-7 6-1 7-64 |
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| Los Mochis $10,000 Clay | Nov 9 2003 |
| 1 | Arevalo(8) - Brenda Coassolo | 6-0 7-61 |
| 2 | Arevalo(8) - Marcela Arroyo Vergara | 6-1 6-0 |
| QF | Kildine Chevalier(1) - Arevalo(8) | 6-3 6-4 |
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| Mexico City $10,000 Hard | Nov 16 2003 |
| Qual 1 | Arevalo(3) | bye |
| Qual 2 | Arevalo(3) - Brenda Coassolo(13) | 6-3 6-4 |
| 1 | Zsuzsanna Babos - Arevalo-Q | 6-2 6-4 |
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| Puebla $25,000 Hard | Nov 23 2003 |
| Qual 1 | Brenda Coassolo - Arevalo(15) | 6-3 6-4 |