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| Sunderland $10,000 Hard | Jan 20 2008 |
| Qual 1 | Warburton(14) - Aimee Gibson | 6-2 6-2 |
| Qual 2 | Jade Windley(8) - Warburton(14) | 6-2 6-3 |
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| Wrexham $10,000 Hard | Jan 27 2008 |
| Qual 1 | Warburton(14) | bye |
| Qual 2 | Warburton(14) - Daphne Staelens | 6-4 6-1 |
| Qual 3 | Dianne Hollands(3) - Warburton(14) | 7-5 7-5 |
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| Sutton $25,000 Hard | Feb 10 2008 |
| Qual 1 | Warburton - Alina Tseploukhova | 6-1 6-2 |
| Qual 2 | Laura Haberkorn(13) - Warburton | 7-5 6-4 |
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| Bath $10,000 Hard | Mar 23 2008 |
| Qual 1 | Warburton(12) - Olivia Smith | 2-6 7-65 6-1 |
| Qual 2 | Claire Lablans(6) - Warburton(12) | 6-4 6-3 |
| 1 | Irene Rehberger-Bescos - Warburton | 6-1 7-5 |
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| Jersey $25,000 Hard | Mar 30 2008 |
| Qual 1 | Warburton - Jennifer Ren | 6-4 6-4 |
| Qual 2 | Claire De Gubernatis(6) - Warburton | 6-3 7-5 |
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| Telde $10,000 Clay | Apr 13 2008 |
| Qual 1 | Warburton(4) | bye |
| Qual 2 | Carmen Lopez-Blanco - Warburton(4) | 6-4 6-3 |
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| Fuerteventura $10,000 Carpet | Apr 20 2008 |
| Qual 1 | Warburton(10) | bye |
| Qual 2 | Warburton(10) - Rocio Lopez-Alberca | 7-62 6-3 |
| Qual 3 | Ineke Mergaert(8) - Warburton(10) | 4-6 6-1 6-1 |
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| Bournemouth $10,000 Clay | May 4 2008 |
| Qual 1 | Warburton(2) - Jessica Budd | 6-0 6-4 |
| Qual 2 | Meli Garcia - Warburton(2) | 6-4 7-5 |
| 1 | Alice Balducci(8) - Warburton | 6-2 6-2 |
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| Edinburgh $10,000 Clay | May 11 2008 |
| Qual 1 | Warburton(3) | bye |
| Qual 2 | Warburton(3) - Rosanna Hatch | 6-73 7-61 6-1 |
| 1 | Volha Duko - Warburton | 6-4 6-73 6-4 |
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| Braga $10,000 Clay | Jun 1 2008 |
| 1 | Lucia Sainz-Pelegri - Warburton | 6-2 6-4 |
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| Amarante $10,000 Hard | Jun 8 2008 |
| Qual 1 | Warburton(3) - Verena Piccolo | 6-2 6-3 |
| Qual 2 | Olga Serbyn - Warburton(3) | 5-7 7-65 6-4 |
| 1 | Carla Beltrami - Warburton | 2-6 6-3 6-4 |
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| Gausdal $10,000 Hard | Jun 15 2008 |
| 1 | Sophie Cornerotte(6) - Warburton | 6-3 2-6 7-65 |
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| Gausdal $10,000 Clay | Jun 22 2008 |
| 1 | Warburton - Carina Litfin | 6-3 6-0 |
| 2 | Warburton - Sophie Cornerotte(7) | 6-4 3-6 6-2 |
| QF | Natalia Ryzhonkova(3) - Warburton | 6-3 6-1 |
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| Oviedo $10,000 Hard | Jul 6 2008 |
| 1 | Karen Castiblanco(5) - Warburton | 6-0 6-4 |
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| Felixstowe $25,000 Grass | Jul 13 2008 |
| Qual 1 | Warburton | bye |
| Qual 2 | Jeanette Draeger - Warburton | 6-1 6-1 |
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| Frinton $10,000 Grass | Jul 20 2008 |
| 1 | Elizabeth Thomas(2) - Warburton | 7-5 6-3 |
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| Tampere $10,000 Clay | Aug 3 2008 |
| 1 | Caroline Magnusson - Warburton | 6-2 6-0 |
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| Savitaipale $10,000 Clay | Aug 10 2008 |
| 1 | Marisa Gianotti - Warburton | 7-65 6-4 |
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| London-Cumberland $10,000 Hard | Aug 17 2008 |
| 1 | Warburton - Nicola Mooney | 6-2 7-5 |
| 2 | Naomi Broady(4) - Warburton | 6-1 6-0 |
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| Westende $25,000 Hard | Aug 24 2008 |
| Qual 1 | Warburton(16) | bye |
| Qual 2 | Warburton(16) - Lisa Wagner | 6-2 2-6 6-3 |
| Qual 3 | Émilie Bacquet(6) - Warburton(16) | 6-3 6-2 |
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| Brasov $10,000 Clay | Sep 7 2008 |
| 1 | Diana Marcu - Warburton | 6-3 6-4 |
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| Limoges $10,000 Hard | Sep 21 2008 |
| Qual 1 | Warburton(6) - Julia Kushnereva | 6-4 6-1 |
| Qual 2 | Valeria Savinykh - Warburton(6) | 3-6 6-3 6-3 |
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| Shrewsbury $75,000 Hard | Sep 28 2008 |
| Qual 1 | Linda Fritschken - Warburton | 6-2 6-3 |
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| Mytilini $10,000 Hard | Oct 5 2008 |
| 1 | Anna Piven - Warburton | 6-4 6-4 |
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| Barnstaple $50,000 Hard | Oct 12 2008 |
| Qual 1 | Warburton - Alexandra Zaniewski | 7-5 6-1 |
| Qual 2 | Hanna Nooni(4) - Warburton | 6-3 6-2 |
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| Lisbon $10,000 Hard | Oct 19 2008 |
| 1 | Alla Aleksandrova - Warburton | 6-3 6-4 |
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| Glasgow $25,000 Hard | Oct 26 2008 |
| 1 | Patricia Mayr-Achleitner(1) - Warburton | 6-2 6-2 |
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| Sunderland $10,000 Hard | Nov 9 2008 |
| 1 | Constance Sibille - Warburton | 3-6 6-3 7-65 |
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| Jersey $10,000 Hard | Nov 16 2008 |
| 1 | Francesca Campigotto - Warburton | 7-5 6-4 |
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| Odense $100,000 Carpet | Nov 23 2008 |
| Qual 1 | Warburton - Julia Paetow | 6-3 6-4 |
| Qual 2 | Pauline Wong(6) - Warburton | 6-1 6-0 |