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| Hull $10,000 Hard | Jan 26 2003 |
| 1 | Aleksandra Srndovic - Doyle(2) | 7-5 |
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| Dinan $50,000 Clay | Apr 13 2003 |
| Qual 1 | Ma. Jose Sanchez Alayeto - Doyle | 6-3 6-1 |
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| Biarritz $25,000 Clay | Apr 20 2003 |
| Qual 1 | Amandine Dulon(4) - Doyle | 6-2 6-3 |
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| Fed Cup Clay | Apr 26 2003 |
| | Jane O'Donoghue-gbr - Doyle | 6-3 7-64 |
| | Marta Domachowska-pol - Doyle | 6-0 6-1 |
| | Doyle - Miriam Oremans-ned | 6-4 6-72 6-2 |
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| El Paso $10,000 Hard | May 25 2003 |
| 1 | Kaysie Smashey - Doyle(4) | 7-62 6-3 |
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| Houston $10,000 Hard | Jun 1 2003 |
| 1 | Doyle(4) - Karin Palme | 6-0 6-2 |
| 2 | Ludmila Richterova-Q - Doyle(4) | 3-6 7-5 6-4 |
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| Hilton Head $10,000 Hard | Jun 8 2003 |
| 1 | Doyle(3) - Nicole Shabaz-WC | 6-1 0-6 6-1 |
| 2 | Ludmila Richterova-Q - Doyle(3) | 2-6 7-5 7-63 |
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| Allentown $25,000 Hard | Jun 15 2003 |
| 1 | Angela Haynes - Doyle(8) | 6-1 6-1 |
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| College Park $25,000 Hard | Jul 13 2003 |
| Qual 1 | Doyle(1) - Christine Alford | 6-1 6-1 |
| Qual 2 | Doyle(1) - Varvara Lepchenko(9) | 6-3 7-62 |
| 1 | Bruna Colosio - Doyle-Q | 6-3 4-6 7-64 |
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| Oyster Bay $50,000 Hard | Jul 20 2003 |
| Qual 1 | Chin Bee Khoo - Doyle | 6-3 6-2 |
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| Lexington $50,000 Hard | Jul 27 2003 |
| Qual 1 | Gabrielle Baker - Doyle | 6-2 2-6 6-3 |
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| Dublin $10,000 Grass | Aug 3 2003 |
| 1 | Doyle(2) - Michelle Summerside | 6-1 6-2 |
| 2 | Timea Bacsinszky-Q - Doyle(2) | 6-72 6-4 6-4 |
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| Wrexham $10,000 Hard | Aug 10 2003 |
| 1 | Doyle(1) - Melanie Cohen-Q | 6-1 6-2 |
| 2 | Timea Bacsinszky-Q - Doyle(1) | 7-65 6-3 |
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| London $10,000 Hard | Aug 17 2003 |
| 1 | Melanie Cohen-Q - Doyle(2) | 1-6 6-2 6-2 |
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| Sunderland $10,000 Hard | Sep 21 2003 |
| 1 | Doyle(5) - Melanie Cohen-Q | 6-1 6-2 |
| 2 | Doyle(5) - Jennifer Russell | 6-2 6-0 |
| QF | Yvonne Meusburger(2) - Doyle(5) | 6-2 1-6 6-3 |
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| Glasgow $25,000 Hard | Sep 28 2003 |
| 1 | Doyle - Zuzana Cerna-Q | 6-1 6-2 |
| 2 | Doyle - Sabrina Jolk(7) | 2-6 6-1 6-0 |
| QF | Doyle - Irina Bulykina | 6-1 3-6 7-5 |
| SF | Sofia Arvidsson(1) - Doyle | 2-6 6-1 6-4 |
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| Cardiff $25,000 Hard | Oct 19 2003 |
| 1 | Valentina Sassi - Doyle | 6-4 6-3 |
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| Nottingham $25,000 Hard | Nov 2 2003 |
| 1 | Dragana Zaric - Doyle | 6-74 7-62 6-4 |
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| Deauville $25,000 Clay | Nov 23 2003 |
| Qual 1 | Valentina Sassi(2) - Doyle | 6-1 0-6 6-1 |