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| Hyderabad Tier IV Hard | Feb 9 2003 |
| Qual 1 | Yan - Katerina Bondarenko | 4-6 6-1 6-0 |
| Qual 2 | Yan - Sunitha Rao(4) | 6-3 1-6 6-3 |
| Qual 3 | Maria Kirilenko - Yan | 3-6 6-4 6-4 |
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| Doha Tier III Hard | Feb 16 2003 |
| Qual 1 | Yan - Yomna Farid-WC | 6-3 6-1 |
| Qual 2 | Anna Zaporozhanova - Yan | 6-3 6-3 |
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| Columbus $25,000 Hard | Feb 23 2003 |
| 1 | Yan - Ally Baker-LL | 6-2 7-64 |
| 2 | Yan - Beier Ko-Q | 6-0 6-0 |
| QF | Teryn Ashley(6) - Yan | 6-2 6-1 |
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| St. Paul $50,000 Hard | Mar 2 2003 |
| Qual 1 | Yan(8) - Stacia Fonseca-WC | 6-1 6-2 |
| Qual 2 | Yan(8) - Liga Dekmeijere | 6-4 6-4 |
| Qual 3 | Yan(8) - Kristen Schlukebir | 6-3 3-6 6-3 |
| 1 | Yan-Q - Bianka Lamade-LL | 6-2 6-3 |
| 2 | Teryn Ashley - Yan-Q | 6-4 6-4 |
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| Atlanta $25,000 Hard | Mar 30 2003 |
| Qual 1 | Yan(11) - Melissa Torres Sandoval | 6-0 6-2 |
| Qual 2 | Yan(11) - Kristen Schlukebir | 6-0 6-2 |
| 1 | Yan-Q - Jessica Lehnhoff-WC | 6-1 |
| 2 | Yan-Q - Olga Barabanschikova(4) | 6-3 6-2 |
| QF | Jie Zheng - Yan-Q | 6-1 6-2 |
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| Gifu $50,000 Grass | May 4 2003 |
| 1 | Akiko Morigami(3) - Yan | 6-3 6-3 |
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| Fukuoka $50,000 Clay | May 11 2003 |
| 1 | Yan - Jolanda Mens | 6-3 6-0 |
| 2 | Yan - Rika Fujiwara | 6-3 6-73 6-1 |
| QF | Yan - Tian Tian Sun | 6-4 7-63 |
| SF | Saori Obata(1) - Yan | 2-6 7-63 7-5 |
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| Vienna Tier III Clay | Jun 15 2003 |
| Qual 1 | Lubomira Kurhajcova(6) - Yan | 6-4 7-62 |
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| Gorizia $25,000 Clay | Jun 22 2003 |
| 1 | Jorgelina Cravero-Q - Yan | 6-4 3-6 6-1 |
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| Fontanafredda $25,000 Clay | Jun 29 2003 |
| 1 | Yan - Nathalie Vierin(4)-WC | 6-4 0-6 7-63 |
| 2 | Darija Jurak-LL - Yan | 4-6 6-4 6-2 |
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| Orbetello $50,000 Clay | Jul 6 2003 |
| Qual 1 | Yan - Elisa Balsamo | 6-3 6-3 |
| Qual 2 | Rika Fujiwara - Yan | 6-4 6-4 |
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| Palermo Tier V Clay | Jul 13 2003 |
| Qual 1 | Yan - Monika Horvath-WC | 6-0 6-1 |
| Qual 2 | Yan - Jie Zheng | 6-3 6-3 |
| Qual 3 | Yan - Ivana Abramovic | 4-6 6-3 6-2 |
| 1 | Francesca Schiavone(3)-WC - Yan-Q | 0-6 6-4 6-3 |
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| Modena $50,000 Clay | Jul 20 2003 |
| Qual 1 | Yan(8) - Tatsiana Uvarova | 6-3 6-73 6-3 |
| Qual 2 | Yan(8) - Trudi Musgrave | 6-3 6-4 |
| Qual 3 | Yan(8) - Tian Tian Sun(1) | 6-4 6-3 |
| 1 | Yan-Q - Yulia Beygelzimer | 6-3 1-6 6-3 |
| 2 | Yan-Q - Adriana Serra-Zanetti | 7-5 6-4 |
| QF | Gala Leon-Garcia(3) - Yan-Q | 6-4 4-6 6-2 |
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| Bronx $50,000 Hard | Aug 17 2003 |
| Qual 1 | Natalie Grandin(6) - Yan | 3-6 6-3 6-2 |
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| US Open Hard | Sep 7 2003 |
| Qual 1 | Yan - Sunitha Rao | 6-3 6-2 |
| Qual 2 | Magdalena Zdenovcova - Yan | 6-3 6-78 6-3 |
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| Bali Tier III Hard | Sep 14 2003 |
| Qual 1 | Yan - Ayu Fani Damayanti | 6-4 6-3 |
| Qual 2 | Jie Zheng(4) - Yan | 6-2 6-2 |
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| Shanghai Tier II Hard | Sep 21 2003 |
| Qual 1 | Martina Sucha(6) - Yan | 6-2 7-5 |
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| Japan Open Tier III Hard | Oct 5 2003 |
| Qual 1 | Yan(6) - Akiko Kinebuchi | 6-2 6-2 |
| Qual 2 | Yan(6) - Kyung-Mi Chang | 6-1 7-65 |
| Qual 3 | Ting Li (sr) - Yan(6) | 6-71 6-3 6-3 |
| 1 | Yan-LL - Miho Saeki-Q | 6-2 6-4 |
| 2 | Yan-LL - Ashley Harkleroad(6) | 7-65 6-4 |
| QF | Jie Zheng - Yan-LL | 7-63 6-3 |
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| Sedona $50,000 Hard | Oct 19 2003 |
| 1 | Ansley Cargill(4)-WC - Yan | 4-6 7-64 6-4 |
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| Paducah $50,000 Hard | Oct 26 2003 |
| 1 | Ansley Cargill(4) - Yan | 6-2 6-4 |
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| Pattaya City Tier V Hard | Nov 9 2003 |
| 1 | Lydia Steinbach-LL - Yan | 7-5 6-1 |
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| Changsha $50,000 Hard | Dec 7 2003 |
| 1 | Yan(7) - Chia-Jung Chuang | 6-2 6-2 |
| 2 | Yan(7) - Antonia Matic | 6-2 6-1 |
| QF | Yan(7) - Tzipora Obziler(2) | 4-6 6-1 6-3 |
| SF | Shuai Peng - Yan(7) | 2-6 6-3 6-1 |
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| Shen Zhen $50,000 Hard | Dec 14 2003 |
| 1 | Yan(6) - Jin-Hee Kim | 6-2 6-1 |
| 2 | Yan(6) - Lauren Breadmore | 6-4 6-4 |
| QF | Sesil Karatantcheva-Q - Yan(6) | 3-6 6-1 6-4 |