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| Brisbane International Hard | Jan 11 2009 |
| Qual 1 | Yuan - Mariana Duque-Marino | 7-62 6-3 |
| Qual 2 | Karolina Sprem - Yuan | 3-6 6-2 6-4 |
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| Sydney Premier Hard | Jan 18 2009 |
| Qual 1 | Yuan - Lucie Safarova(2) | 6-1 3-2 |
| Qual 2 | Yuan - Yvonne Meusburger | 6-2 6-4 |
| Qual 3 | Melanie South - Yuan | 6-2 6-3 |
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| Australian Open Hard | Feb 1 2009 |
| 1 | Serena Williams(2) - Yuan-WC | 6-3 6-2 |
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| Midland $75,000 Hard | Feb 15 2009 |
| 1 | Yuan - Alexandra Panova | 6-4 6-2 |
| 2 | Stephanie Dubois(7) - Yuan | 6-1 7-5 |
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| Memphis International Hard | Feb 22 2009 |
| Qual 1 | Yuan - Aiko Nakamura(4) | 6-2 6-4 |
| Qual 2 | Chanelle Scheepers - Yuan | 4-6 6-4 6-3 |
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| Clearwater $50,000 Hard | Mar 1 2009 |
| 1 | Olga Puchkova - Yuan | 6-0 7-62 |
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| Redding $25,000 Hard | Mar 22 2009 |
| 1 | Yuan - Mervana Jugic-Salkic | 6-0 3-3 |
| 2 | Alberta Brianti(6) - Yuan | 6-3 6-3 |
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| Hammond $25,000 Hard | Mar 29 2009 |
| 1 | Aiko Nakamura(6) - Yuan | 6-4 6-3 |
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| Pelham $25,000 Clay | Apr 5 2009 |
| 1 | Yuan - Alexandra Mueller | 6-2 2-6 6-1 |
| 2 | Rossana De Los Rios(2) - Yuan | 6-1 6-1 |
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| Gifu $50,000 Carpet | May 3 2009 |
| 1 | Akari Inoue - Yuan(3) | 6-4 7-66 |
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| Fukuoka $50,000 Carpet | May 10 2009 |
| 1 | Akiko Omae - Yuan(3) | 6-4 7-5 |
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| Roland Garros Clay | Jun 7 2009 |
| Qual 1 | Masa Zec Peskiric(6) - Yuan | 6-0 3-6 6-3 |
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| Nottingham $50,000 Grass | Jun 7 2009 |
| 1 | Stefanie Voegele(4) - Yuan | 6-2 3-6 6-1 |
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| Birmingham International Grass | Jun 14 2009 |
| Qual 1 | Naomi Broady - Yuan(15) | 7-65 6-3 |
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| Wimbledon Grass | Jul 5 2009 |
| Qual 1 | Yuan - Su-Wei Hsieh | walkover |
| Qual 2 | Zuzana Ondraskova - Yuan | 6-2 6-4 |
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| Grapevine $50,000 Hard | Jul 12 2009 |
| 1 | Kimberly Couts - Yuan(5) | 2-6 6-1 6-1 |
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| Lexington $50,000 Hard | Jul 26 2009 |
| 1 | Yuan(6) - Maria-Fernanda Alves | 6-1 6-0 |
| 2 | Yuan(6) - Gail Brodsky | 1-6 7-5 7-63 |
| QF | Yuan(6) - Madison Brengle(4) | 6-3 6-3 |
| SF | Sania Mirza(2) - Yuan(6) | 6-1 4-6 6-4 |
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| Vancouver $75,000 Hard | Aug 9 2009 |
| 1 | Yuan - Jorgelina Cravero(7) | 6-3 6-3 |
| 2 | Marie-Eve Pelletier - Yuan | 6-4 6-1 |
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| Bronx $100,000 Hard | Aug 30 2009 |
| 1 | Yuan - Ahsha Rolle | 6-4 2-6 6-4 |
| 2 | Tatjana Maria(6) - Yuan | 7-5 2-6 7-65 |
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| Quebec City International Carpet | Sep 20 2009 |
| Qual 1 | Natalie Grandin - Yuan | 2-6 6-4 6-2 |
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| Albuquerque $75,000 Hard | Sep 27 2009 |
| 1 | Shenay Perry(3) - Yuan | 6-0 6-3 |
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| Las Vegas $50,000 Hard | Oct 4 2009 |
| 1 | Yuan - Agustina Lepore | 7-5 6-1 |
| 2 | Mirjana Lucic-Baroni - Yuan | 6-4 3-6 7-5 |
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| Troy $50,000 Hard | Oct 11 2009 |
| Qual 1 | Yuan(4) - Whitney Jones | 6-0 6-3 |
| Qual 2 | Yuan(4) - Natalia Ryzhonkova | 6-2 6-2 |
| Qual 3 | Yuan(4) - Petra Rampre | 1-6 6-0 6-2 |
| 1 | Yuan - Nicole Riner | 6-2 6-1 |
| 2 | Edina Gallovits-Hall(1) - Yuan | 6-4 6-0 |
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| Kansas City $50,000 Hard | Oct 18 2009 |
| Qual 1 | Yuan(2) | bye |
| Qual 2 | Yuan(2) - Alina Jerjomina | 6-4 7-5 |
| Qual 3 | Natalia Ryzhonkova - Yuan(2) | 7-65 6-3 |
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| Bayamon $25,000 Hard | Nov 1 2009 |
| 1 | Yuan - Madison Brengle(2) | 6-3 6-1 |
| 2 | Yuan - Petra Rampre | 6-1 6-4 |
| QF | Yuan - Julia Cohen(8) | 6-0 6-3 |
| SF | Mirjana Lucic-Baroni - Yuan | 7-65 4-6 6-2 |
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| Rock Hill $25,000 Hard | Nov 8 2009 |
| 1 | Yuan - Maria-Fernanda Alves | 6-0 6-1 |
| 2 | Lauren Albanese(3) - Yuan | 6-3 3-6 7-5 |
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| Phoenix $50,000 Hard | Nov 15 2009 |
| Qual 1 | Yuan(2) - Shikha Uberoi | 3-6 6-3 6-3 |
| Qual 2 | Claire De Gubernatis - Yuan(2) | 6-1 6-0 |
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| Toronto $50,000 Hard | Nov 22 2009 |
| 1 | Julia Boserup - Yuan | 6-4 6-74 6-1 |