Kim Clijsters was the defending champion, but withdrew before her third round match against Laura Granville due to a wrist injury which would ultimately sideline her for the remainder of the season.
This was the first edition of Hong Kong Tennis Open.
Alison Riske won the first edition of the tournament, defeating Belinda Bencic in the final, 6–3, 6–4.
The 2015 PTT Thailand Open was a women's professional tennis tournament played on outdoor hard courts. It was the 24th and last edition of the PTT Thailand Open and part of the International category on the 2015 WTA Tour. It took place at the Dusit Thani Hotel in Pattaya, Thailand from 9 February until 15 February 2015. Unseeded Daniela Hantuchová won the singles title, her third at the event after 2011 and 2012, and earned $43,000 first-prize money.
The 2015 BMW Malaysian Open was a women's tennis tournament played on outdoor hard courts. It is the 6th edition of the Malaysian Open and is an International tournament on the 2015 WTA Tour. The tournament took place from 28 February to 8 March 2015 at the Royal Selangor Golf Club. This tournament had been discontinued, but was restarted when the rights were bought off the tournament in Palermo, Italy. Caroline Wozniacki defeated Alexandra Dulgheru in the championship match for her 1st title of the year and 23rd of her career.
Venus Williams was the defending champion, but lost in the third round to Lucie Šafářová.
Donna Vekić was the defending champion, but chose not to participate this year.
Alizé Cornet was the defending champion, but lost to Anna Karolína Schmiedlová in the quarterfinals.
Tímea Babos and Chan Hao-ching were the defending champions, but Chan chose not to participate this year. Babos chose to play in Monterrey, but lost in the first round.
Zarina Diyas was the defending champion, however she chose to participate at the 2015 Miami Open instead.
The 2015 Baku Cup was a professional tennis tournament played on hard courts. This was the fifth edition of the tournament, and part of the 2015 WTA Tour. It took place in Baku, Azerbaijan between 27 July and 2 August 2015.
This was a new event to the ITF Women's Circuit.
Caroline Wozniacki was the defending champion, but she chose not to participate this year.
Elina Svitolina was the two-time defending champion, but chose not to participate this year.
Sabine Lisicki was the defending champion, but she withdrew before the tournament began due to a knee injury.
This article displays the qualifying draw for the Women's Singles at the 2006 US Open.
Caroline Garcia was the defending champion, but lost in the semifinals to Daria Gavrilova.
Madison Keys was the defending champion, but withdrew with a wrist injury before the tournament began.
Daniela Hantuchová 
Ajla Tomljanović 
