The Taipei Open or Taipei WTA Challenger (Chinese: 台北海碩網球公開賽) was a tournament for female professional tennis players played on indoor carpet courts.

The event was classified as a WTA 125 tournament, and held annually in November in Taipei City, from 2008 until 2015, and was sponsored by the OEC Group.

In 2007, OEC Group Chairman Robert Han organized an ITF tournament in Taoyuan where the prize was $50,000 plus hotel.

[5] held at the National Taiwan University Gymnasium and the Taipei Arena.

[6][7] In 2010 and 2011, it was called the OEC Taipei Ladies Open, and it was also sometimes referred to as the Haishuo Cup (海碩盃).