Sanchai Ratiwatana

Sanchai Ratiwatana
สรรค์ชัย รติวัฒน์
	Sanchai Ratiwatana at Roland Garros 2013
Country (sports)	Thailand
Residence	Bangkok, Thailand
Born	23 January 1982; Bangkok, Thailand
Height	1.75 m (5 ft 9 in)
Turned pro	2004
Plays	Right-handed (one-handed backhand)
Coach	Chatchai Ratiwatana
Prize money	US$503,479
Singles
Career record	3–6
Highest ranking	No. 831 (26 November 2007)
Doubles
Career record	61–78
Career titles	2
Highest ranking	No. 39 (28 April 2008)
Grand Slam doubles results
Australian Open	1R (2008, 2011, 2013, 2018)
French Open	1R (2008, 2013)
Wimbledon	3R (2010)
US Open	1R (2008, 2012)
Other doubles tournaments
Olympic Games	1R (2016)
Mixed doubles
Grand Slam mixed doubles results
Wimbledon	1R (2008)
Medal record
Men's Tennis
Representing Thailand
Universiade
Asian Games
Southeast Asian Games

Sanchai Ratiwatana (Thai: สรรค์ชัย รติวัฒน์, pronounced [sǎn.t͡ɕʰāj rá(ʔ).tī.wát]), nicknamed Tong (ต้อง, [tɔ̂ŋ]; born 23 January 1982), is a professional tennis player from Thailand. He turned professional in 2004.

In 2007, Sanchai and his twin brother Sonchat Ratiwatana won their first ATP doubles title in Bangkok. They won their second title at the Chennai Open in India in 2008.

He reached World No. 39, his best doubles ranking, on 28 April 2008.