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| Roma Eur $10,000 Clay | Mar 14 2004 |
| Qual 1 | Arevalo(8) - Tina Schmassmann | 0-6 6-1 6-1 |
| Qual 2 | Valentina Sulpizio - Arevalo(8) | 7-5 6-4 |
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| Roma Lanciani $10,000 Clay | Mar 21 2004 |
| Qual 1 | Arevalo(16) - Caterina Marusic-WC | 6-1 6-0 |
| Qual 2 | Arevalo(16) - Giulia Meruzzi | 6-1 7-63 |
| Qual 3 | Giulia Gabba - Arevalo(16) | 6-4 6-2 |
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| Cairo $10,000 Clay | Mar 28 2004 |
| 1 | Gabriela Velasco Andreu(4) - Arevalo | 7-64 7-65 |
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| Cairo $10,000 Clay | Apr 4 2004 |
| 1 | Arevalo - Aliaa Fakhry | 6-1 6-1 |
| 2 | Hana Sromova(1) - Arevalo | 6-3 6-3 |
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| Cairo $10,000 Clay | Apr 11 2004 |
| 1 | Arevalo(6) - Elisabeth Bahn | 7-5 4-6 6-4 |
| 2 | Arevalo(6) - Olga Khrapkova | 6-0 6-0 |
| QF | Arevalo(6) - Rita Vukov-Q | 3-6 6-3 6-1 |
| SF | Hana Sromova(1) - Arevalo(6) | 6-3 6-0 |
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| Campos Do Jordao $25,000 Hard | Jul 18 2004 |
| Qual 1 | Arevalo(2) - Nathalia Rossi | 6-0 6-4 |
| Qual 2 | Arevalo(2) - Sabrina Diniz | 6-1 6-1 |
| Qual 3 | Arevalo(2) - Fernanda Chiaparini | 6-0 6-0 |
| 1 | Carla Tiene(3) - Arevalo-Q | 6-2 6-1 |
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| Santiago $10,000 Clay | Sep 12 2004 |
| 1 | Melisa Miranda - Arevalo | 7-5 4-6 7-63 |
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| CD.Juarez $25,000 Clay | Oct 10 2004 |
| Qual 1 | Arevalo(4) | bye |
| Qual 2 | Arevalo(4) - Lorena Ivette Arias Rodriguez | 1-6 6-4 7-64 |
| 1 | Seda Noorlander(8) - Arevalo-Q | 6-1 6-1 |
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| Mexico City $25,000 Hard | Oct 17 2004 |
| Qual 1 | Arevalo(5) | bye |
| Qual 2 | Georgette Wright(14) - Arevalo(5) | 6-4 6-3 |
| 1 | Soledad Esperon(7) - Arevalo-LL | 6-2 6-0 |
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| Aguascalientes $10,000 Clay | Oct 24 2004 |
| 1 | Nadia Abdala-Q - Arevalo | 6-3 6-3 |
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| Los Mochis $10,000 Clay | Oct 31 2004 |
| 1 | Georgette Wright - Arevalo | 3-6 7-64 6-0 |