The 2013 PTT Pattaya Open was a women's professional tennis tournament played on outdoor hard courts. It was the 22nd edition of the PTT Pattaya Open and was part of the International category on the 2013 WTA Tour. It took place at the Dusit Thani Hotel in Pattaya, Thailand from January 26 through February 3, 2013. Second-seeded Maria Kirilenko won the singles title.^[1]

• Maria Kirilenko defeated Sabine Lisicki, 5–7, 6–1, 7–6^(7–1)

• Kimiko Date-Krumm / Casey Dellacqua defeated Akgul Amanmuradova / Alexandra Panova, 6–3, 6–2

Country	Player	Ranking1	Seed
SRB	Ana Ivanovic[2]	13	1
RUS	Maria Kirilenko	15	2
TPE	Hsieh Su-wei	27	3
ROU	Sorana Cîrstea	29	4
GER	Sabine Lisicki	36	5
SVK	Daniela Hantuchová	44	6
RUS	Elena Vesnina	47	7
GBR	Heather Watson	50	8

• ¹ Rankings as of January 14, 2013

The following players received wildcards into the main draw:

• Daniela Hantuchová
• Luksika Kumkhum
• Varatchaya Wongteanchai

The following players received entry from the qualifying draw:

• Akgul Amanmuradova
• Bethanie Mattek-Sands
• Anastasia Rodionova
• Anastasija Sevastova

Before the tournament

• Polona Hercog
• Romina Oprandi
• Laura Robson
• Vera Zvonareva

• Tímea Babos (gastrointestinal illness)
• Irina-Camelia Begu (right shoulder injury)
• Daniela Hantuchová (dizziness)

Country	Player	Country	Player	Rank1	Seed
TPE	Chang Kai-chen	USA	Vania King	90	1
NZL	Marina Erakovic	GBR	Heather Watson	108	2
TPE	Chan Hao-ching	TPE	Chan Yung-jan	110	3
USA	Bethanie Mattek-Sands	ISR	Shahar Pe'er	114	4

• ¹ Rankings are as of January 14, 2013

The following pairs received wildcards into the main draw:

• Noppawan Lertcheewakarn / Ksenia Palkina
• Nicha Lertpitaksinchai / Peangtarn Plipuech

The following pair received entry as alternates:

• Varatchaya Wongteanchai / Varunya Wongteanchai

Before the tournament

• Zheng Saisai (personal reasons)

During the tournament

• Tímea Babos (gastrointestinal illness)

• Official website
• WTA singles draw