After training with her coach Paul McNamee in Australia, she started her season by playing in qualification of Brisbane International and Sydney.
She lost in qualifications for both tournaments but received a lucky-loser spot in Brisbane due to Caroline Wozniacki withdrawing late.
She lost in round three to Carla Suárez Navarro.
At Pattaya Open, Hsieh was defeated in the first round by Tadeja Majerič but won a week later in qualifying at Qatar Total Open; in first round of the main draw, she also defeated Flavia Pennetta before losing to Sara Errani.

At Doha, Hsieh won her first doubles title with Peng Shuai in 2014 and reached a career-high of world No.
2 in doubles.
Later in May, with the semifinal run in doubles at Madrid, Hsieh will share the No.
1 ranking with Peng for at least a week, establishing the first individual in Taiwan to receive the No.
 1 ranking in tennis, whether in singles or doubles, male or female.
However, she failed to defend her title with Peng in Internazional BNL d'Italia by losing to Medina Garrigues and Shvedova in the second round in straight sets.

With doubles competition in the way, Hsieh missed all the singles events during the clay season except French Open, where she lost in the first round of qualifying.
In doubles, she came through one of the most difficult doubles draws with Peng by defeating unseeded Svetlana Kuznetsova and Sam Stosur in the first round in straight sets, breezed through former No.
1, 15th seed Liezel Huber and Lisa Raymond in the third round, grinded three sets with fifth seed Sania Mirza and Cara Black in the quarterfinals and Garbiñe Muguruza and Carla Suárez Navarro, whom they lost to in Madrid, in the semifinals and defeated second seed Errani and Vinci in the final in straight sets for their second Grand Slam title.
They were unable to defend their title at Wimbledon though, falling in the third round to eventual runners-up Tímea Babos and Kristina Mladenovic despite winning the first set.
They also lost in the third round at the US Open to the team of Kimiko Date-Krumm and Barbora Záhlavová-Strýcová.
Their best result throughout the remainder of the year came at the WTA Finals in Singapore.
They easily won their first two matches, but were thrased in the final round by Cara Black and Sania Mirza, winning just one game.
While Hsieh finished the year No.
144 in singles after a difficult year in which she won only seven main draw WTA matches, she finished ranked No.
5 in the world for doubles, her second straight top five finish.
After training with her coach Paul McNamee in Australia, she started her season by playing in qualification of Brisbane International and Sydney. She lost in qualifications for both tournaments but received a lucky-loser spot in Brisbane due to Caroline Wozniacki withdrawing late. She lost in round three to Carla Suárez Navarro. At Pattaya Open, Hsieh was defeated in the first round by Tadeja Majerič but won a week later in qualifying at Qatar Total Open; in first round of the main draw, she also defeated Flavia Pennetta before losing to Sara Errani.
At Doha, Hsieh won her first doubles title with Peng Shuai in 2014 and reached a career-high of world No. 2 in doubles. Later in May, with the semifinal run in doubles at Madrid, Hsieh will share the No. 1 ranking with Peng for at least a week, establishing the first individual in Taiwan to receive the No. 1 ranking in tennis, whether in singles or doubles, male or female. However, she failed to defend her title with Peng in Internazional BNL d'Italia by losing to Medina Garrigues and Shvedova in the second round in straight sets.
With doubles competition in the way, Hsieh missed all the singles events during the clay season except French Open, where she lost in the first round of qualifying. In doubles, she came through one of the most difficult doubles draws with Peng by defeating unseeded Svetlana Kuznetsova and Sam Stosur in the first round in straight sets, breezed through former No. 1, 15th seed Liezel Huber and Lisa Raymond in the third round, grinded three sets with fifth seed Sania Mirza and Cara Black in the quarterfinals and Garbiñe Muguruza and Carla Suárez Navarro, whom they lost to in Madrid, in the semifinals and defeated second seed Errani and Vinci in the final in straight sets for their second Grand Slam title. They were unable to defend their title at Wimbledon though, falling in the third round to eventual runners-up Tímea Babos and Kristina Mladenovic despite winning the first set. They also lost in the third round at the US Open to the team of Kimiko Date-Krumm and Barbora Záhlavová-Strýcová. Their best result throughout the remainder of the year came at the WTA Finals in Singapore. They easily won their first two matches, but were thrased in the final round by Cara Black and Sania Mirza, winning just one game. While Hsieh finished the year No. 144 in singles after a difficult year in which she won only seven main draw WTA matches, she finished ranked No. 5 in the world for doubles, her second straight top five finish.
Hsieh Su-wei