Jelena Dokić was the defending champion, but lost in the second round to compatriot Olivia Rogowska.
The 2012 HP Open was a women's tennis tournament played on outdoor hard courts sponsored by Hewlett-Packard. It was the fourth edition of the HP Open, and part of the WTA International tournaments of the 2012 WTA Tour. It was held at the Utsubo Tennis Center in Osaka, Japan, from October 8 through October 14, 2012. Heather Watson won the singles title.
Chanelle Scheepers was the defending champion, but lost to Urszula Radwańska in the quarterfinals.
Hsieh Su-wei was the defending champion, but she lost in the quarterfinals to Bethanie Mattek-Sands. Karolína Plíšková defeated Mattek-Sands in the final, 1–6, 7–5, 6–3, to claim her first WTA singles title.
Maria Sharapova defeated Caroline Wozniacki in the final, 6–2, 6–2 to win the women's singles tennis title at the 2013 Indian Wells Masters. It was her second Indian Wells Masters title, and she did not drop a set during the tournament.
Tímea Babos was the defending champion, but lost in the quarterfinals to Monica Niculescu.
Melanie Oudin was the defending champion, but lost in the first round to Ajla Tomljanović.
The women's singles tennis event at the 2013 Summer Universiade was held from July 8 to 16, 2013 at the Tennis Academy in Kazan, Russia.
Hsieh Su-wei was the defending champion, but lost in the second round to Zhang Shuai.
Heather Watson was the defending champion, but she lost in the first round to Monica Puig.
Samantha Stosur won the title for the second time, defeating Eugenie Bouchard in the final, 3–6, 7–5, 6–2.
Anastasia Pavlyuchenkova was the defending champion, but she chose not to participate this year.
Alizé Cornet was the defending champion, but lost to Camila Giorgi in the first round.
Caroline Wozniacki was the defending champion, but chose to compete in Monterrey instead.
Irina-Camelia Begu was the defending champion, but lost in the second round to Jana Čepelová.
Jelena Janković was the defending champion, but lost in the semifinals to Caroline Wozniacki.
Lara Arruabarrena was the defending champion, but lost in the first round to Ekaterina Alexandrova.
Wang Qiang was the defending champion, but chose not to participate.
Samantha Stosur was the defending champion but lost in the quarterfinals to Dominika Cibulková.
Luksika Kumkhum won her first WTA 125 title, defeating Irina Khromacheva in the final, 1–6, 6–2, 6–3.
Dayana Yastremska was the defending champion, but withdrew before the tournament began.
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Heather Watson 
Chang Kai-chen 
