02.11.09 | 1st round | Sanchai Ratiwatana/Sonchat Ratiwatana | Soong-Jae Cho/Sang-Woo Noh | 6-2, 6-4 | | match details | Chuncheon Challenger | Hard |
02.11.09 | 1/2 | Hsin-Han Lee/Tsung-Hua Yang | Sanchai Ratiwatana/Sonchat Ratiwatana | 6-3, 6-2 | | match details |
02.11.09 | 1/4 | Sanchai Ratiwatana/Sonchat Ratiwatana | Martin Klizan/Lukas Lacko | 6-1, 6-2 | | match details |
26.10.09 | 1st round | Sanchai Ratiwatana/Sonchat Ratiwatana | Prakash Amritraj/Marinko Matosevic | 6-4, 6-4 | | match details | Seoul Challenger | Hard |
26.10.09 | 1/4 | Sanchai Ratiwatana/Sonchat Ratiwatana | Lester Cook/Alex Kuznetsov | 7-5, 6-4 | | match details |
26.10.09 | 1/2 | Sanchai Ratiwatana/Sonchat Ratiwatana | Hiroki Kondo/Go Soeda | 6-1, 6-4 | | match details |
26.10.09 | fin | Rik de Voest/Yen-Hsun Lu | Sanchai Ratiwatana/Sonchat Ratiwatana | 7-65, 3-6, 10-6 | | match details |
03.08.09 | 1st round | Carsten Ball/Sergei Bubka | Sanchai Ratiwatana/Sonchat Ratiwatana | 6-4, 4-6, 10-7 | | match details | Vancouver Challenger | Hard |
27.07.09 | 1st round | Sanchai Ratiwatana/Sonchat Ratiwatana | Sebastian Jacques/Yoann Re | 6-2, 6-2 | | match details | Granby Challenger | Hard |
27.07.09 | 1/4 | Sanchai Ratiwatana/Sonchat Ratiwatana | Lester Cook/Michael Yani | 6-4, 6-4 | | match details |
27.07.09 | 1/2 | Amir Hadad/Harel Levy | Sanchai Ratiwatana/Sonchat Ratiwatana | 6-2, 6-72, 10-7 | | match details |
20.07.09 | 1/4 | Sanchai Ratiwatana/Sonchat Ratiwatana | Tigran Martirosyan/Izak van der Merwe | 6-2, 6-3 | | match details | Lexington Challenger | Hard |
20.07.09 | 1/2 | Amir Hadad/Harel Levy | Sanchai Ratiwatana/Sonchat Ratiwatana | 7-65, 6-2 | | match details |
20.07.09 | 1st round | Sanchai Ratiwatana/Sonchat Ratiwatana | Kyu-Tae Im/Yuichi Sugita | 6-4, 6-2 | | match details |
13.07.09 | 1st round | Sanchai Ratiwatana/Sonchat Ratiwatana | Somdev Devvarman/Treat Conrad Huey | 7-65, 6-4 | | match details | Aptos Challenger | Hard |
13.07.09 | fin | Carsten Ball/Chris Guccione | Sanchai Ratiwatana/Sonchat Ratiwatana | 6-3, 6-2 | | match details |
13.07.09 | 1/4 | Sanchai Ratiwatana/Sonchat Ratiwatana | Scoville Jenkins/Donald Young | 6-4, 3-6, 10-5 | | match details |
13.07.09 | 1/2 | Sanchai Ratiwatana/Sonchat Ratiwatana | Lester Cook/Michael Yani | 6-4, 6-3 | | match details |
01.06.09 | 1st round | Adam Feeney/Nathan Healey | Sanchai Ratiwatana/Sonchat Ratiwatana | 6-1, 6-4 | | match details | Yuba City | Hard |
25.05.09 | 1/4 | G.D. Jones/Scott Oudsema | Sanchai Ratiwatana/Sonchat Ratiwatana | 6-3, 7-64 | | match details | Carson Challenger | Hard |
25.05.09 | 1st round | Sanchai Ratiwatana/Sonchat Ratiwatana | Alex Kuznetsov/Michael Ryderstedt | 6-2, 6-4 | | match details |
18.05.09 | 1st round | Sanchai Ratiwatana/Sonchat Ratiwatana | Kamil Capkovic/Marek Semjan | 7-65, 6-0 | | match details | Fergana Challenger | Hard |
18.05.09 | 1/4 | Raven Klaasen/Danai Udomchoke | Sanchai Ratiwatana/Sonchat Ratiwatana | 7-65, 3-6, 10-8 | | match details |
11.05.09 | fin | Sanchai Ratiwatana/Sonchat Ratiwatana | Tasuku Iwami/Toshihide Matsui | 6-4, 6-2 | | match details | Busan Challenger | Hard |
11.05.09 | 1st round | Sanchai Ratiwatana/Sonchat Ratiwatana | Ti Chen/Junn Mitsuhashi | 7-66, 6-1 | | match details |
11.05.09 | 1/4 | Sanchai Ratiwatana/Sonchat Ratiwatana | Woong-Sun Jun/Lukas Lacko | 6-2, 6-2 | | match details |
11.05.09 | 1/2 | Sanchai Ratiwatana/Sonchat Ratiwatana | Yves Allegro/Marco Chiudinelli | 6-4, 6-4 | | match details |
20.04.09 | 1/4 | Colin Fleming/Ken Skupski | Sanchai Ratiwatana/Sonchat Ratiwatana | 6-3, 7-61 | | match details | Talahassee Challenger | Hard |
20.04.09 | 1st round | Sanchai Ratiwatana/Sonchat Ratiwatana | Jean-Yves Aubone/Ryan Harrison | 6-3, 6-3 | | match details |
13.04.09 | 1/2 | Sanchai Ratiwatana/Sonchat Ratiwatana | Marcel Felder/Luis-Manuel Flores | 6-0, 6-3 | | match details | Mexico City | Hard |
13.04.09 | fin | Sanchai Ratiwatana/Sonchat Ratiwatana | Victor Estrella/Joao Souza | 6-3, 6-3 | | match details |
13.04.09 | 1st round | Sanchai Ratiwatana/Sonchat Ratiwatana | Kyu-Tae Im/Kevin Kim | 2-3, Kyu-Tae Im/Kevin Kim - retired | | match details |
13.04.09 | 1/4 | Sanchai Ratiwatana/Sonchat Ratiwatana | Juan-Manuel Elizondo/Cesar Ramirez | 7-63, 6-4 | | match details |
06.04.09 | 1st round | Harsh Mankad/Scott Oudsema | Sanchai Ratiwatana/Sonchat Ratiwatana | 6-4, 6-3 | | match details | Baton Rouge | Hard |
23.03.09 | 1/4 | Sanchai Ratiwatana/Sonchat Ratiwatana | Grigor Dimitrov/Kittiphong Wachiramanowong | 4-6, 2-2, Grigor Dimitrov/Kittiphong Wachiramanowong - retired | | match details | Korat Challenger | Hard |
23.03.09 | 1/2 | Sanchai Ratiwatana/Sonchat Ratiwatana | Evgeny Donskoy/Dmitri Sitak | 6-4, 6-4 | | match details |
23.03.09 | 1st round | Sanchai Ratiwatana/Sonchat Ratiwatana | Joshua Goodall/Joseph Sirianni | Joshua Goodall/Joseph Sirianni - walk over | | match details |
23.03.09 | fin | Rohan Bopanna/Aisam Qureshi | Sanchai Ratiwatana/Sonchat Ratiwatana | 6-3, 6-75, 10-5 | | match details |
16.03.09 | 1st round | Joshua Goodall/Joseph Sirianni | Sanchai Ratiwatana/Sonchat Ratiwatana | 6-4, 6-3 | | match details | Bangkok Challenger | Hard |
07.03.09 | | Carsten Ball/Chris Guccione | Sanchai Ratiwatana/Sonchat Ratiwatana | 7-63, 6-4, 6-4 | | match details | Davis Cup | Hard |
23.02.09 | 1/2 | Sanchai Ratiwatana/Sonchat Ratiwatana | Colin Ebelthite/Rameez Junaid | 6-2, 7-5 | | match details | Melbourn Challenger | Hard |
23.02.09 | fin | Sanchai Ratiwatana/Sonchat Ratiwatana | Ti Chen/Danai Udomchoke | 7-65, 5-7, 10-7 | | match details |
23.02.09 | 1st round | Sanchai Ratiwatana/Sonchat Ratiwatana | Mikal Statham/Xin-Yuan Yu | 6-2, 6-3 | | match details |
23.02.09 | 1/4 | Sanchai Ratiwatana/Sonchat Ratiwatana | Raven Klaasen/Ivo Klec | 6-4, 6-2 | | match details |
12.01.09 | fin | Sanchai Ratiwatana/Sonchat Ratiwatana | Juan-Pablo Brzezicki/Ivan Miranda | 6-3, 7-65 | | match details | Salinas Challenger | Hard |
12.01.09 | 1st round | Sanchai Ratiwatana/Sonchat Ratiwatana | Ricardo Hocevar/Joao Souza | 6-4, 4-6, 13-11 | | match details |
12.01.09 | 1/4 | Sanchai Ratiwatana/Sonchat Ratiwatana | Marcio Torres/Izak van der Merwe | 6-3, 3-6, 13-11 | | match details |
12.01.09 | 1/2 | Sanchai Ratiwatana/Sonchat Ratiwatana | Juan-Sebastian Cabal/Alejandro Falla | 6-4, 6-4 | | match details |
05.01.09 | 1/4 | Franco Ferreiro/Flavio Saretta | Sanchai Ratiwatana/Sonchat Ratiwatana | 7-5, 4-6, 10-8 | | match details | Sao Paulo | Hard |
05.01.09 | 1st round | Sanchai Ratiwatana/Sonchat Ratiwatana | Ricardo Hocevar/Kristian Pless | 6-3, 6-4 | | match details |