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| Sao Paolo $25,000 | Jan 7 2001 |
| 1 | Olivera(5) - Livia Azzi | 6-0 6-0 |
| 2 | Olivera(5) - Marcela Evangelista | 6-1 6-2 |
| QF | Adrienn Hegedus(4) - Olivera(5) | 6-3 6-0 |
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| Bogota Tier III Clay | Feb 25 2001 |
| Qual 1 | Olivera - Romy Farah-WC | 6-1 6-4 |
| Qual 2 | Olivera - Evelyn Fauth(6) | 6-3 7-62 |
| Qual 3 | Mariam Ramon Climent(3) - Olivera | 6-73 7-5 6-2 |
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| Saltillo $10,000 | Mar 11 2001 |
| 1 | Olivera(2) - Nicola Payne | 6-2 1-6 6-0 |
| 2 | Olivera(2) - Erika Valdes | 6-2 6-1 |
| QF | Olivera(2) - Petra Russegger-Q | 6-2 6-2 |
| SF | Olivera(2) - Helen Crook(4) | 6-0 7-62 |
| F | Conchita Martinez-Granados(1) - Olivera(2) | 2-6 6-4 6-1 |
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| Monterrey $10,000 | Mar 18 2001 |
| 1 | Olivera(2) - Alejandra Rivero-WC | 6-1 6-2 |
| 2 | Olivera(2) - Jennifer Schmidt-Q | 6-2 6-3 |
| QF | Anousjka Van Exel(5) - Olivera(2) | 6-4 6-2 |
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| Matamoros $10,000 | Mar 25 2001 |
| 1 | Olivera(2) - Jennifer Schmidt | 6-4 6-2 |
| 2 | Olivera(2) - Marcela Arroyo Vergara-WC | 6-0 6-1 |
| QF | Olivera(2) - Melisa Arevalo(5) | 7-62 6-2 |
| SF | Conchita Martinez-Granados(3) - Olivera(2) | 6-4 7-65 |
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| CD Victoria $10,000 | Apr 1 2001 |
| 1 | Olivera(3) - Bianca Kamper | 7-5 6-1 |
| QF | Olivera(3) - Erika Valdes | 4-6 6-3 6-2 |
| SF | Olivera(3) - Conchita Martinez-Granados(2) | 4-6 7-64 6-0 |
| F | Petra Russegger(1) - Olivera(3) | 2-6 6-4 6-2 |
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| CD Juarez $25,000 | Apr 8 2001 |
| 1 | Olivera - Annabel Ellwood(3) | 6-4 6-4 |
| 2 | Olivera - Nina Duebbers | 5-7 6-2 6-1 |
| QF | Nathalie Vierin - Olivera | 6-0 6-3 |
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| San Luis Potosi $25,000 | Apr 15 2001 |
| 1 | Antonella Serra Zanetti(4) - Olivera | 6-3 4-6 6-3 |
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| Coatzacoalcos $25,000 | Apr 22 2001 |
| 1 | Olivera - Melissa Torres Sandoval-WC | 3-6 6-4 6-2 |
| 2 | Maria Elena Camerin(5) - Olivera | 6-2 6-1 |
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| Fed Cup Amer1 | Apr 24 2001 |
| | Catalina Castano-col - Olivera | 6-2 6-1 |
| | Jessica Fernandez-mex - Olivera | 6-71 6-3 10-8 |
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| Torino $10,000 | May 20 2001 |
| 1 | Olivera(1) - Kildine Chevalier | 6-4 6-1 |
| 2 | Silvia Disderi-WC - Olivera(1) | 6-3 6-3 |
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| Madrid Tier III Clay | May 27 2001 |
| Qual 1 | Paula Garcia - Olivera | 6-2 6-2 |
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| Biella $25,000 Hard | Jun 3 2001 |
| 1 | Adriana Barna - Olivera(8) | 6-4 6-4 |
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| Galatina $25,000 Hard | Jun 10 2001 |
| 1 | Marielle Hoogland - Olivera | 6-4 6-3 |
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| Grado $25,000 | Jun 17 2001 |
| 1 | Olivera - Ivana Abramovic-Q | 6-4 6-4 |
| 2 | Magda Mihalache - Olivera | 6-2 5-7 7-5 |
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| Lenzerheide $25,000 | Jun 24 2001 |
| 1 | Olivera(4) - Ludmilla Varmuza | 6-2 7-64 |
| 2 | Olivera(4) - Adriana Jerabek | 6-2 6-2 |
| QF | Germana Di Natale - Olivera(4) | 6-2 7-5 |
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| Mont-De-Marsan $25,000 | Jul 1 2001 |
| 1 | Olivera(4) - Amandine Singla-Q | 6-3 6-3 |
| 2 | Olivera(4) - Edith Nunes | 7-63 7-64 |
| QF | Olivera(4) - Stefanie Haidner | 2-6 6-0 6-3 |
| SF | Celine Beigbeder(1) - Olivera(4) | 6-1 6-1 |
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| Perigueux $10,000 | Jul 8 2001 |
| 1 | Olivera(1)-WC - Lamia Essaadi | 6-1 6-1 |
| 2 | Olivera(1)-WC - Rochelle Rosenfield | 6-1 7-5 |
| QF | Olivera(1)-WC - Olivia Sanchez | 7-5 6-0 |
| SF | Olivera(1)-WC - Natacha Randriantefy | 6-2 6-0 |
| F | Séverine Beltrame - Olivera(1)-WC | 6-4 6-1 |
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| Getxo $10,000 | Jul 15 2001 |
| 1 | Gemma Gallo Gomez-Q - Olivera(1) | 7-63 7-5 |
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| Valladolid $25,000 | Jul 22 2001 |
| 1 | Olivera(5) - Carolina Rodriguez-LL | 6-1 6-3 |
| 2 | Magda Mihalache - Olivera(5) | 6-2 6-3 |
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| Pamplona $25,000 | Jul 29 2001 |
| 1 | Raissa Gourevitch-Q - Olivera(7) | 6-4 6-2 |
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| Saint-Gaudens $50,000 | Aug 5 2001 |
| 1 | Irina Selyutina(3) - Olivera | 6-0 6-2 |
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| US Open Hard | Sep 9 2001 |
| Qual 1 | Gloria Pizzichini - Olivera | 6-0 6-3 |
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| Brasil Open Tier II Hard | Sep 16 2001 |
| Qual 1 | Andrea Van Den Hurk-WC - Olivera | 6-4 7-69 |
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| Sao Jose Dos Campos $25,000 | Sep 23 2001 |
| 1 | Olivera(4) - Candela Novoa | 6-1 6-2 |
| 2 | Andrea Van Den Hurk - Olivera(4) | 6-4 6-4 |
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| Verona $25,000 | Sep 30 2001 |
| 1 | Evelyn Fauth(3) - Olivera | 6-2 6-3 |
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| Jous-Les-Tours $25,000 | Oct 21 2001 |
| 1 | Karolina Jagieniak - Olivera(8) | 6-4 6-2 |
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| Saint-Raphael $25,000 | Oct 28 2001 |
| 1 | Segolene Berger - Olivera | 6-3 6-4 |
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| Villenave D'Ornon $10,000 | Nov 11 2001 |
| 1 | Olivera(3) - Natalia Tsitouras-Q | 6-2 |
| 2 | Olivera(3) - Biljana Pawlowa-Dimitrova | 6-1 6-1 |
| QF | Caroline Maes(5) - Olivera(3) | 0-6 6-1 7-5 |
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| Le Havre $10,000 Clay | Nov 18 2001 |
| 1 | Olivera(4) - Karla Mraz-Q | 6-3 6-2 |
| 2 | Olivera(4) - Julie Coin-Q | 6-4 7-61 |
| QF | Olivera(4) - Natacha Randriantefy | 6-3 6-4 |
| SF | Oxana Karyshkova(7) - Olivera(4) | 6-3 7-5 |
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| Deauville $10,000 Clay | Nov 25 2001 |
| 1 | Olivera(2) - Liga Dekmeijere | 6-1 6-4 |
| 2 | Olivera(2) - Karla Mraz-WC | 1-6 6-4 6-2 |
| QF | Marijana Kovacevic - Olivera(2) | 6-2 6-4 |