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| Fullerton $50,000 Hard | Jan 26 2003 |
| Qual 1 | Schruff(3) - Helen Crook | 7-69 6-1 |
| Qual 2 | Schruff(3) - Ivana Abramovic | 7-5 7-69 |
| Qual 3 | Giulia Casoni - Schruff(3) | 6-3 6-1 |
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| Midland $75,000 Hard | Feb 9 2003 |
| Qual 1 | Schruff(3) - Cory Ann Avants | 5-7 6-3 6-4 |
| Qual 2 | Schruff(3) - Abigail Spears | 6-2 4-6 6-1 |
| Qual 3 | Tanner Cochran - Schruff(3) | 6-3 6-3 |
| 1 | Laura Granville(1)-WC - Schruff-LL | 6-1 6-1 |
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| Redbridge $25,000 Hard | Feb 23 2003 |
| 1 | Karolina Sprem-Q - Schruff | 7-60 6-2 |
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| Ostrava $25,000 Carpet | Mar 2 2003 |
| 1 | Jane O'Donoghue-Q - Schruff | 7-68 6-72 6-2 |
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| Castellon $25,000 Clay | Mar 23 2003 |
| Qual 1 | Schruff(3) - Rita Degliesposti | 6-1 7-5 |
| Qual 2 | Lourdes Dominguez Lino - Schruff(3) | 3-6 7-5 6-1 |
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| Estoril Tier IV Clay | Apr 13 2003 |
| Qual 1 | Schruff - Stephanie Gehrlein | 6-2 6-0 |
| Qual 2 | Schruff - Katarina Misic | 6-2 6-4 |
| Qual 3 | Schruff - Sandra Kleinova(5) | 7-64 0-6 7-5 |
| 1 | Schruff-Q - Ma. Emilia Salerni-Q | 7-5 6-1 |
| 2 | Schruff-Q - Katarina Srebotnik(1) | 6-4 3-6 6-3 |
| QF | Schruff-Q - Ludmila Cervanova | 7-5 6-3 |
| SF | Schruff-Q - Emmanuelle Gagliardi | 6-3 6-4 |
| F | Magui Serna(2) - Schruff-Q | 6-4 6-1 |
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| Bol Tier III Clay | May 4 2003 |
| Qual 1 | Schruff(5) - Olena Antypina | 6-2 6-4 |
| Qual 2 | Schruff(5) - Ivana Visic | 6-0 6-1 |
| Qual 3 | Schruff(5) - Lana Popadic | 6-1 6-3 |
| 1 | Maria Sanchez Lorenzo - Schruff-Q | 6-3 6-4 |
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| Berlin Tier I Clay | May 11 2003 |
| Qual 1 | Kristie Boogert - Schruff-WC | 4-6 6-4 7-5 |
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| Roland Garros Clay | Jun 8 2003 |
| Qual 1 | Schruff - Emmanuelle Edon-WC | 6-0 6-0 |
| Qual 2 | Schruff - Greta Arn | 2-6 6-1 6-3 |
| Qual 3 | Schruff - Maria Elena Camerin(2) | 6-1 6-3 |
| 1 | Francesca Schiavone(32) - Schruff-Q | 3-6 6-3 6-2 |
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| Marseille $50,000 Clay | Jun 15 2003 |
| 1 | Schruff - Alona Bondarenko | 6-4 6-3 |
| 2 | Schruff - Zuzana Kucova-Q | 7-5 6-3 |
| QF | Schruff - Tatiana Poutchek(1) | 6-3 6-2 |
| SF | Claudine Schaul(3) - Schruff | 6-4 6-75 7-67 |
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| Wimbledon Grass | Jul 6 2003 |
| Qual 1 | Schruff(14) - Natalia Gussoni | 6-2 6-75 6-3 |
| Qual 2 | Schruff(14) - Cristelle Grier-WC | 5-7 6-2 6-3 |
| Qual 3 | Eva Fislova(10) - Schruff(14) | 6-4 6-2 |
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| Orbetello $50,000 Clay | Jul 6 2003 |
| 1 | Schruff - Emily Stellato-WC | 6-2 6-2 |
| 2 | Schruff - Tzipora Obziler(6) | 6-4 7-5 |
| QF | Gala Leon-Garcia(2) - Schruff | 2-6 6-4 6-2 |
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| Palermo Tier V Clay | Jul 13 2003 |
| Qual 1 | Schruff(5) - Aniko Kapros | 6-2 6-2 |
| Qual 2 | Schruff(5) - Delia Sescioreanu | 6-1 7-65 |
| Qual 3 | Claudine Schaul(1) - Schruff(5) | 4-6 7-5 7-5 |
| 1 | Adriana Serra-Zanetti-WC - Schruff-LL | 6-0 6-4 |
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| Modena $50,000 Clay | Jul 20 2003 |
| 1 | Schruff - Alona Bondarenko | 3-6 6-3 6-3 |
| 2 | Gala Leon-Garcia(3) - Schruff | 5-7 6-2 6-2 |
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| Innsbruck $50,000 Clay | Jul 27 2003 |
| 1 | Sybille Bammer-WC - Schruff | 6-2 4-0 |
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| Bronx $50,000 Hard | Aug 17 2003 |
| 1 | Séverine Beltrame-LL - Schruff(6) | 7-64 6-3 |
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| US Open Hard | Sep 7 2003 |
| Qual 1 | Maret Ani - Schruff(9) | 6-1 2-6 6-4 |
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| Fano $50,000 Clay | Sep 7 2003 |
| 1 | Sanda Mamic-Q - Schruff | 6-4 6-1 |
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| Denain $75,000 Clay | Sep 14 2003 |
| 1 | Schruff - Seda Noorlander | 6-0 6-1 |
| 2 | Schruff - Dally Randriantefy(5) | 6-3 7-63 |
| QF | Ivana Lisjak-Q - Schruff | 7-62 6-1 |
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| Bordeaux $75,000 Clay | Sep 21 2003 |
| 1 | Schruff - Melinda Czink(4) | 6-2 3-6 6-3 |
| 2 | Schruff - Conchita Martinez-Granados | 6-1 6-3 |
| QF | Gala Leon-Garcia - Schruff | 6-1 6-2 |
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| Girona $50,000 Clay | Oct 5 2003 |
| 1 | Conchita Martinez-Granados - Schruff(7) | 6-3 4-3 |
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| Latina $50,000 Clay | Oct 12 2003 |
| 1 | Schruff(3) - Katalin Marosi | 6-3 3-6 6-3 |
| 2 | Schruff(3) - Vanessa Henke | 6-2 2-6 3-3 |
| QF | Galina Voskoboeva - Schruff(3) | 6-2 7-5 |
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| Dubai $75,000 Hard | Oct 19 2003 |
| 1 | Flavia Pennetta(2)-WC - Schruff | 6-3 6-1 |
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| Quebec City Tier III Hard | Nov 2 2003 |
| 1 | Lubomira Kurhajcova - Schruff | 6-3 6-3 |