2012 PTT Thailand Open

The 2012 PTT Thailand Open was a men's tennis tournament played on indoor hard courts. It was the 10th edition of the Thailand Open, and part of the ATP World Tour 250 Series of the 2012 ATP World Tour. It took place at the Impact Arena in Bangkok, Thailand, from 22 September through 30 September 2012. Richard Gasquet won the singles title.

Seeds
* Seeds are based on the rankings of September 17, 2012

Other entrants
The following players received wildcards into the singles main draw:
 * Marco Chiudinelli
 * 🇹🇭 Peerakiat Siriluethaiwattana
 * 🇹🇭 Danai Udomchoke

The following players received entry from the qualifying draw:
 * Kevin Anderson
 * 🇯🇵 Hiroki Moriya
 * 🇯🇵 Yūichi Sugita
 * Yang Tsung-hua

Withdrawals

 * 🇫🇷 Jérémy Chardy
 * Blaž Kavčič
 * 🇰🇿 Mikhail Kukushkin

Retirements

 * 🇯🇵 Yūichi Sugita (right ankle injury)

Seeds

 * Rankings are as of September 17, 2012

Other entrants
The following pairs received wildcards into the doubles main draw:
 * 🇹🇭 Sanchai Ratiwatana / 🇹🇭 Sonchat Ratiwatana
 * Lu Yen-hsun / 🇹🇭 Danai Udomchoke

Singles
🇫🇷 Richard Gasquet defeated 🇫🇷 Gilles Simon, 6–2, 6–1

Doubles
Lu Yen-hsun / 🇹🇭 Danai Udomchoke defeated 🇺🇸 Eric Butorac / 🇦🇺 Paul Hanley, 6–3, 6–4