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| Waikoloa $50,000 Hard | Feb 1 2004 |
| 1 | Jane O'Donoghue - Casoni | 7-67 6-0 |
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| Rockford $25,000 Hard | Feb 8 2004 |
| 1 | Casoni - Shikha Uberoi-Q | 4-6 6-2 7-65 |
| 2 | Gisela Dulko(2) - Casoni | 6-1 6-4 |
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| Midland $75,000 Hard | Feb 15 2004 |
| Qual 1 | Casoni - Mariana Correa-WC | 6-3 7-5 |
| Qual 2 | Casoni - Maria-Fernanda Alves(5) | 6-2 6-2 |
| Qual 3 | Casoni - Julie Ditty | 6-0 6-3 |
| 1 | Casoni-Q - Nathalie Vierin | 1-6 7-5 6-2 |
| 2 | Tara Snyder(3) - Casoni-Q | 6-3 6-1 |
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| Columbus $25,000 Hard | Feb 22 2004 |
| 1 | Casoni - Jessi Robinson-WC | 6-2 6-3 |
| 2 | Petra Rampre - Casoni | 7-5 7-63 |
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| St-Paul $50,000 Hard | Feb 29 2004 |
| Qual 1 | Casoni(5) - Nicole Leimbach-WC | 6-1 6-2 |
| Qual 2 | Casoni(5) - Tanner Cochran | 6-4 6-1 |
| Qual 3 | Vilmarie Castellvi(3) - Casoni(5) | 7-63 6-4 |
| 1 | Sandra Kloesel - Casoni-LL | 6-2 6-4 |
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| Dinan $50,000 Clay | Apr 11 2004 |
| Qual 1 | Casoni(6) - Anne-Laure Heitz | 6-3 6-4 |
| Qual 2 | Casoni(6) - Kathrin Woerle-Scheller | 6-3 6-3 |
| Qual 3 | Capucine Rousseau(2) - Casoni(6) | 7-63 2-6 7-5 |
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| Biarritz $25,000 Clay | Apr 18 2004 |
| Qual 1 | Casoni(3) - Marta Fraga | 7-5 6-4 |
| Qual 2 | Ekaterina Bychkova - Casoni(3) | 6-3 6-0 |
| 1 | Casoni-LL - Mariya Koryttseva(7) | 1-6 6-4 6-1 |
| 2 | Casoni-LL - Alberta Brianti-Q | 6-4 6-2 |
| QF | Bahia Mouhtassine-Q - Casoni-LL | 7-62 4-6 6-2 |
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| Bari $25,000 Clay | Apr 25 2004 |
| 1 | Martina Muller - Casoni | 6-1 6-74 6-2 |
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| Taranto $25,000 Clay | May 2 2004 |
| 1 | Casoni - Margot Torre-WC | 6-1 6-4 |
| 2 | Casoni - Lucija Krzelj | 7-67 5-7 6-1 |
| QF | Casoni - Nathalie Vierin(6) | 7-63 6-4 |
| SF | Nina Bratchikova-Q - Casoni | 7-62 6-0 |
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| Rome Tier I Clay | May 16 2004 |
| Qual 1 | Marta Marrero(15) - Casoni-WC | 6-1 6-4 |
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| Caserta $25,000 Clay | May 23 2004 |
| 1 | Casoni(5) - Alice Canepa-WC | 0-6 6-1 2-1 |
| 2 | Nika Ozegovic-Q - Casoni(5) | 6-1 6-4 |
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| Galatina $25,000 Clay | Jun 6 2004 |
| 1 | Casoni - Tiffany Dabek | 3-6 6-2 3-1 |
| 2 | Marie-Eve Pelletier(6) - Casoni | 6-2 4-6 7-5 |
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| Grado $25,000 Clay | Jun 13 2004 |
| 1 | Nika Ozegovic-Q - Casoni(6) | 6-3 7-5 |
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| Gorizia $25,000 Clay | Jun 20 2004 |
| 1 | Casoni(4) - Ana Jovanovic-LL | 7-65 6-0 |
| 2 | Vanina Garcia Sokol-Q - Casoni(4) | 6-3 6-0 |
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| Fontanafredda $25,000 Clay | Jun 27 2004 |
| 1 | Laura Pous-Tio - Casoni | 6-2 6-1 |
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| Garching $25,000 Clay | Jul 18 2004 |
| 1 | Joanna Sakowicz-Kostecka-LL - Casoni | 6-3 6-4 |
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| Palermo Tier V Clay | Jul 25 2004 |
| 1 | Conchita Martinez-Granados - Casoni-WC | 6-3 6-0 |
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| Modena $75,000 Clay | Aug 1 2004 |
| Qual 1 | Zuzana Kucova - Casoni | 7-66 6-1 |
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| Rimini $50,000 Clay | Aug 8 2004 |
| 1 | Ekaterina Bychkova-Q - Casoni | 6-74 7-5 6-2 |
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| Martina Franca $25,000 Clay | Aug 15 2004 |
| 1 | Casoni(7) - Nuria Roig | 3-6 6-3 6-4 |
| 2 | Casoni(7) - Nicole Remis-LL | 2-6 6-2 6-3 |
| QF | Maria Wolfbrandt - Casoni(7) | 6-4 6-4 |
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| Mestre $25,000 Clay | Sep 5 2004 |
| 1 | Lina Stanciute - Casoni(8) | 7-61 6-1 |
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| Fano $50,000 Clay | Sep 12 2004 |
| 1 | Katerina Bohmova(6) - Casoni | 7-62 6-2 |
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| Biella $50,000 Clay | Sep 26 2004 |
| Qual 1 | Casoni(4) - Giorgia Mortello | 6-2 6-2 |
| Qual 2 | Sara Errani - Casoni(4) | 5-7 6-4 6-2 |
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| Beograd $25,000 Clay | Oct 3 2004 |
| 1 | Kyra Nagy(5) - Casoni | 6-2 6-3 |
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| Sunderland $25,000 Hard | Oct 17 2004 |
| 1 | Maria Geznenge - Casoni | 7-5 4-6 6-4 |
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| Barcelona $25,000 Clay | Nov 21 2004 |
| 1 | Casoni - Kyra Nagy(5) | 6-4 6-2 |
| 2 | Rita Kuti Kis - Casoni | 6-2 4-6 6-1 |
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| Bergamo $50,000 Carpet | Dec 19 2004 |
| 1 | Lenka Nemeckova(4) - Casoni | 6-4 6-3 |