| Outcome | No. | Date | Tournament | Surface | Partner | Opponents in final | Score in final | 
 
| Winner | 1. | October 2, 2005 | Hansol Korea Open, Seoul, South Korea | Hard |  Chuang Chia-jung |  Jill Craybas 
  Natalie Grandin | 6–2, 6–4 | 
 
| Runner-up | 1. | October 8, 2006 | AIG Japan Open Tennis Championships, Tokyo, Japan | Hard |  Chuang Chia-jung |  Vania King 
  Jelena Kostanić Tosic | 6–7(2-7), 7–5, 2–6 | 
| Runner-up | 2. | January 27, 2007 | Australian Open, Melbourne, Australia | Hard |  Chuang Chia-jung |  Cara Black 
  Liezel Huber | 4–6, 7–6(7-4), 1–6 | 
 
| Runner-up | 3. | February 11, 2007 | Pattaya Women's Open, Pattaya, Thailand | Hard |  Chuang Chia-jung |  Nicole Pratt 
  Mara Santangelo | 4–6, 6–7(4-7) | 
 
| Winner | 2. | February 18, 2007 | Bangalore Open, Bangalore, India | Hard |  Chuang Chia-jung |  Hsieh Su-wei 
  Alla Kudryavtseva | 6–7(4-7), 6–2, [11–9] | 
| Runner-up | 4. | March 18, 2007 | Pacific Life Open, Indian Wells, United States | Hard |  Chuang Chia-jung |  Lisa Raymond 
  Samantha Stosur | 3–6, 5–7 | 
 
| Runner-up | 5. | May 26, 2007 | İstanbul Cup, Istanbul, Turkey | Clay |  Sania Mirza |  Agnieszka Radwańska 
  Urszula Radwańska | 1–6, 3–6 | 
 
| Winner | 3. | June 17, 2007 | DFS Classic, Birmingham, Great Britain | Grass |  Chuang Chia-jung |  Sun Tiantian 
  Tu Meilen | 7–6(7-3), 6–3 | 
 
| Winner | 4. | June 24, 2007 | Ordina Open, 's-Hertogenbosch, Netherlands | Grass |  Chuang Chia-jung |  Anabel Medina Garrigues 
  Virginia Ruano Pascual | 7–5, 6–2 | 
| Runner-up | 6. | September 9, 2007 | US Open, New York, United States | Hard |  Chuang Chia-jung |  Nathalie Dechy 
  Dinara Safina | 4–6, 2–6 | 
| Runner-up | 7. | October 7, 2007 | Porsche Tennis Grand Prix, Stuttgart, Germany | Hard |  Dinara Safina |  Květa Peschke 
  Rennae Stubbs | 7–6(7-5), 6–7(4-7), [2–10] | 
 
| Winner | 5. | February 10, 2008 | Pattaya Women's Open, Pattaya City, Thailand | Hard |  Chuang Chia-jung |  Hsieh Su-wei 
  Vania King | 6–4, 6–3 | 
| Runner-up | 8. | March 9, 2008 | Bangalore Open, Bangalore, India | Hard |  Chuang Chia-jung |  Peng Shuai 
  Sun Tiantian | 4–6, 7–5, [8–10] | 
| Winner | 6. | May 18, 2008 | Internazionali BNL d'Italia, Rome, Italy | Clay |  Chuang Chia-jung |  Iveta Benešová 
  Janette Husárová | 7–6(7-5), 6–3 | 
 
| Runner-up | 9. | May 24, 2008 | Internationaux de Strasbourg, Strasbourg, France | Clay |  Chuang Chia-jung |  Yan Zi 
  Tatiana Perebiynis | 4–6, 7–6(7-3), [6–10] | 
| Winner | 7. | July 28, 2008 | East West Bank Classic, Los Angeles, United States | Hard |  Chuang Chia-jung |  Eva Hrdinová 
  Vladimíra Uhlířová | 2–6, 7–5, [10–4] | 
| Runner-up | 10. | August 2, 2009 | Bank of the West Classic, Stanford, United States | Hard |  Monica Niculescu |  Serena Williams 
  Venus Williams | 4–6, 1–6 | 
 
| Winner | 8. | September 27, 2009 | Hansol Korea Open, Seoul, South Korea | Hard |  Abigail Spears |  Carly Gullickson 
  Nicole Kriz | 6–3, 6–4 | 
 
| Runner-up | 11. | January 16, 2010 | Moorilla Hobart International, Hobart, Australia | Hard |  Monica Niculescu |  Chuang Chia-jung 
  Květa Peschke | 6–3, 3–6, [7–10] | 
 
| Winner | 9. | February 28, 2010 | Malaysian Open, Kuala Lumpur, Malaysia | Hard |  Zheng Jie |  Anastasia Rodionova 
  Arina Rodionova | 6–7(4-7), 6–2, [10–7] | 
| Runner-up | 12. | August 1, 2010 | Bank of the West Classic, Stanford, United States | Hard |  Zheng Jie |  Lindsay Davenport 
  Liezel Huber | 5–7, 7–6(8-6), [8–10] | 
 
| Runner-up | 13. | February 12, 2012 | Pattaya Women's Open, Pattaya City, Thailand | Hard |  Chan Hao-ching |  Sania Mirza 
  Anastasia Rodionova | 6–3, 1–6, [8–10] | 
 
| Winner | 10. | January 5, 2013 | Shenzhen Open, Shenzhen, China | Hard |  Chan Hao-ching |  Irina Buryachok 
  Valeria Solovieva | 6–0, 7–5 | 
| Winner | 11. | September 27, 2013 | Ningbo International Tennis Open, Ningbo, China | Hard |  Zhang Shuai |  Irina Buryachok 
  Oksana Kalashnikova | 6-2, 6-1 | 
| Runner-up | 14. | April 6, 2014 | Family Circle Cup, Charleston, United States | Clay (green) |  Chan Hao-ching |  Anabel Medina Garrigues 
  Yaroslava Shvedova | 6–7(4–7), 2–6 | 
| Runner-up | 15. | April 20, 2014 | Malaysian Open, Kuala Lumpur, Malaysia | Hard |  Zheng Saisai |  Tímea Babos 
  Chan Hao-ching | 3-6, 4-6 | 
| Winner | 12. | June 21, 2014 | Aegon International, Eastbourne, United Kingdom | Grass |  Chan Hao-ching |  Martina Hingis 
  Flavia Pennetta | 6-3, 5-7, [10-7] | 
| Winner | 13. | November 3, 2014 | OEC Taipei WTA Challenger, Taipei, Taiwan | Carpet (i) |  Chan Hao-ching |  Chang Kai-chen 
  Chuang Chia-jung | 6–4, 6–3 | 
| Runner-up | 16. | January 30, 2015 | Australian Open, Melbourne, Australia | Hard |  Zheng Jie |  Bethanie Mattek-Sands 
  Lucie Šafářová | 4–6, 6–7(5–7) | 
| Winner | 14. | February 15, 2015 | PTT Thailand Open, Pattaya, Thailand | Hard |  Chan Hao-ching |  Shuko Aoyama 
  Tamarine Tanasugarn | 2–6, 6–4, [10–3] | 
| Winner | 15. | August 23, 2015 | Western & Southern Open, Cincinnati, United States | Hard |  Chan Hao-ching |  Casey Dellacqua 
  Yaroslava Shvedova | 7–5, 6–4 | 
| Winner | 16. | September 19, 2015 | Japan Women's Open, Tokyo, Japan | Hard |  Chan Hao-ching |  Kurumi Nara 
  Misaki Doi | 6–1, 6–2 | 
| Runner-up | 17. | September 26, 2015 | Toray Pan Pacific Open, Tokyo, Japan | Hard |  Chan Hao-ching |  Garbiñe Muguruza 
  Carla Suárez Navarro | 5–7, 1–6 | 
| Runner-up | 18. | October 10, 2015 | China Open, Beijing, China | Hard |  Chan Hao-ching |  Martina Hingis 
  Sania Mirza | 7–6(11–9), 1–6, [8–10] | 
| Winner | 17. | February 14, 2016 | Taiwan Open, Kaohsiung, Taipei | Hard |  Chan Hao-ching |  Eri Hozumi 
  Miyu Kato | 6–4, 6–3 | 
| Winner | 18. | February 27, 2016 | Qatar Total Open, Doha, Qatar | Hard |  Chan Hao-ching |  Sara Errani 
  Carla Suárez Navarro | 6-3, 6-3 | 
| Runner-up | 19. | June 25, 2016 | Aegon International, Eastbourne, United Kingdom | Grass |  Chan Hao-ching |  Darija Jurak 
  Anastasia Rodionova | 7–5, 6–7(4–7), [6–10] | 
| Winner | 19. | October 16, 2016 | Hong Kong Open, Hong Kong | Hard |  Chan Hao-ching |  Naomi Broady 
  Heather Watson | 6–3, 6–1 |