2009 PTT Thailand Open

The 2009 PTT Thailand Open was a tennis tournament played on indoor hard courts. It was the 7th edition of the Thailand Open, and was part of the ATP World Tour 250 Series of the 2009 ATP World Tour. It was held at the Impact Arena in Bangkok, Thailand, from September 28 through October 4, 2009.

Seeds

 * Seeds are based on the rankings of September 21, 2009

Other entrants
The following players received wildcards into the singles main draw:
 * 🇹🇭 Danai Udomchoke
 * 🇹🇭 Kittipong Wachiramanowong
 * 🇮🇳 Somdev Devvarman

The following players received entry from the qualifying draw:
 * 🇩🇪 Florian Mayer
 * 🇹🇷 Marsel İlhan
 * Marco Chiudinelli
 * 🇫🇷 Édouard Roger-Vasselin

The following players received entry as a lucky loser:
 * 🇺🇸 Donald Young

Singles
🇫🇷 Gilles Simon defeated 🇷🇸 Viktor Troicki, 7–5, 6–3.
 * It was Simon's first title of the year and 6th of his career.

Doubles
🇺🇸 Eric Butorac / 🇺🇸 Rajeev Ram defeated 🇪🇸 Guillermo García López / 🇩🇪 Mischa Zverev, 7–6(7–4), 6–3.