# Sanchai Ratiwatana

Sanchai Ratiwatana (Thai: สรรค์ชัย รติวัฒน์, pronounced), nicknamed Tong (ต้อง,; 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.

## ATP career finals
### Doubles: 3 (2 titles, 1 runner-up)

* Legend
* Grand Slam tournaments (0–0)
* ATP World Tour Finals (0–0)
* ATP World Tour Masters 1000 (0–0)
* ATP World Tour 500 Series (0–1)
* ATP World Tour 250 Series (2–0)
* Titles by surface
* Hard (2–1)
* Clay (0–0)
* Grass (0–0)
* Titles by setting
* Outdoor (1–0)
* Indoor (1–1)
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Win | 1–0 | Sep 2007 | Thailand Open, Thailand | International | Hard (i) | Sonchat Ratiwatana | Michaël Llodra Nicolas Mahut | 3–6, 7–5, [10–7] |
| Win | 2–0 | Jan 2008 | Chennai Open, India | International | Hard | Sonchat Ratiwatana | Marcos Baghdatis Marc Gicquel | 6–4, 7–5 |
| Loss | 2–1 | Feb 2008 | U.S. National Indoor Tennis Championships, US | Intl. Gold | Hard (i) | Sonchat Ratiwatana | Mahesh Bhupathi Mark Knowles | 6–7$^{(5–7)}$, 2–6 |

## ATP Challenger Tour finals
### Doubles: 81 (48–33)

| Result | W–L | Date | Tournament | Surface | Partner | Opponents | Score |
| Win | 1–0 | Oct 2003 | Dharwad, India | Hard | Sonchat Ratiwatana | Prakash Amritraj Rik de Voest | 3–6, 6–3, 7–5 |
| Win | 2–0 | Apr 2004 | Busan, South Korea | Hard | Sonchat Ratiwatana | Satoshi Iwabuchi Tasuku Iwami | 6–7$^{(5–7)}$, 7–6$^{(7–1)}$, 6–4 |
| Win | 3–0 | Aug 2004 | Belo Horizonte, Brazil | Hard | Sonchat Ratiwatana | Marcos Daniel Iván Miranda | 6–2, 7–5 |
| Win | 4–0 | Nov 2004 | Reunion Island, Réunion | Hard | Sonchat Ratiwatana | Michel Kratochvil Jiří Vaněk | w/o |
| Loss | 4–1 | Jan 2005 | Waikoloa, United States | Hard | Sonchat Ratiwatana | André Sá Eric Taino | 6–7$^{(2–7)}$, 6–3, 6–7$^{(2–7)}$ |
| Win | 5–1 | Feb 2005 | Cherbourg, France | Hard(i) | Sonchat Ratiwatana | Jean-Christophe Faurel Nicolas Renavand | 6–3, 6–2 |
| Loss | 5–2 | Nov 2005 | Busan, South Korea | Hard | Sonchat Ratiwatana | Ashley Fisher Tripp Phillips | 5–7, 3–6 |
| Loss | 5–3 | Mar 2006 | Cherbourg, France | Hard(i) | Sonchat Ratiwatana | Jean-François Bachelot Stéphane Robert | 6–7$^{(5–7)}$, 3–6 |
| Win | 6–3 | Apr 2006 | Chikmagalur, India | Hard | Sonchat Ratiwatana | Lu Yen-hsun Danai Udomchoke | 6–3, 6–2 |
| Loss | 6–4 | Apr 2006 | Dharwad, India | Hard | Sonchat Ratiwatana | Kamil Čapkovič Lukáš Lacko | 3–6, 5–7 |
| Win | 7–4 | May 2006 | Fergana, Uzbekistan | Hard | Sonchat Ratiwatana | Alexey Kedryuk Orest Tereshchuk | 6–7$^{(7–9)}$, 7–6$^{(7–3)}$, [14–12] |
| Win | 8–4 | Jul 2006 | Lexington, United States | Hard | Sonchat Ratiwatana | John Isner Colin Purcell | 7–6$^{(7–5)}$, 4–6, [10–6] |
| Loss | 8–5 | Nov 2006 | Busan, South Korea | Hard | Sonchat Ratiwatana | Alexander Peya Björn Phau | 7–6$^{(7–3)}$, 3–6, [6–10] |
| Win | 9–5 | Mar 2007 | Kyoto, Japan | Carpet(i) | Sonchat Ratiwatana | Rajeev Ram Bobby Reynolds | 6–4, 6–3 |
| Win | 10–5 | May 2007 | San Remo, Italy | Clay | Sonchat Ratiwatana | Steve Darcis Stefan Wauters | 7–6$^{(7–3)}$, 6–3 |
| Win | 11–5 | Jun 2007 | Lugano, Switzerland | Clay | Sonchat Ratiwatana | Jean-Claude Scherrer Lovro Zovko | 6–4, 6–4 |
| Win | 12–5 | Jul 2007 | Granby, Canada | Hard | Sonchat Ratiwatana | Satoshi Iwabuchi Philip Stolt | 6–2, 7–6$^{(7–4)}$ |
| Loss | 12–6 | Oct 2007 | Seoul, South Korea | Hard | Sonchat Ratiwatana | Rik de Voest Lu Yen-hsun | 3–6, 5–7 |
| Loss | 12–7 | Oct 2008 | Seoul, South Korea | Hard | Sonchat Ratiwatana | Łukasz Kubot Oliver Marach | 5–7, 6–4, [6–10] |
| Win | 13–7 | Jan 2009 | Salinas, Ecuador | Hard | Sonchat Ratiwatana | Juan Pablo Brzezicki Iván Miranda | 6–3, 7–6$^{(7–5)}$ |
| Win | 14–7 | Feb 2009 | Wrocław, Poland | Hard(i) | Sonchat Ratiwatana | Benedikt Dorsch Sam Warburg | 6–4, 3–6, [10–8] |
| Win | 15–7 | Mar 2009 | Melbourne, Australia | Hard | Sonchat Ratiwatana | Chen Ti Danai Udomchoke | 7–6$^{(7–5)}$, 5–7, [10–7] |
| Loss | 15–8 | Mar 2009 | Khorat, Thailand | Hard | Sonchat Ratiwatana | Rohan Bopanna Aisam-ul-Haq Qureshi | 6–3, 6–7$^{(5–7)}$, [5–10] |
| Win | 16–8 | Apr 2009 | Mexico City, Mexico | Hard | Sonchat Ratiwatana | Víctor Estrella Burgos João Souza | 6–3, 6–3 |
| Win | 17–8 | May 2009 | Busan, South Korea | Hard | Sonchat Ratiwatana | Tasuku Iwami Toshihide Matsui | 6–4, 6–2 |
| Loss | 17–9 | Jul 2009 | Aptos, United States | Hard | Sonchat Ratiwatana | Carsten Ball Chris Guccione | 3–6, 2–6 |
| Loss | 17–10 | Nov 2009 | Seoul, South Korea | Hard | Sonchat Ratiwatana | Rik de Voest Lu Yen-hsun | 6–7$^{(5–7)}$, 6–3, [6–10] |
| Loss | 17–11 | Dec 2009 | Salzburg, Austria | Hard(i) | Sonchat Ratiwatana | Philipp Marx Igor Zelenay | 4–6, 5–7 |
| Loss | 17–12 | Jan 2010 | Salinas, Ecuador | Hard | Sonchat Ratiwatana | Jonathan Marray Jamie Murray | 3–6, 4–6 |
| Win | 18–12 | Jan 2010 | Heilbronn, Germany | Hard(i) | Sonchat Ratiwatana | Mario Ančić Lovro Zovko | 6–4, 7–5 |
| Loss | 18–13 | Aug 2010 | Granby, Canada | Hard | Sonchat Ratiwatana | Frederik Nielsen Joseph Sirianni | 6–4, 4–6, [6–10] |
| Win | 19–13 | Sep 2010 | Bangkok, Thailand | Hard | Sonchat Ratiwatana | Frederik Nielsen Yuichi Sugita | 6–3, 7–5 |
| Loss | 19–14 | Nov 2010 | Eckental, Germany | Carpet(i) | Sonchat Ratiwatana | Scott Lipsky Rajeev Ram | 7–6$^{(7–2)}$, 4–6, [4–10] |
| Loss | 19–15 | Jan 2011 | Singapore, Singapore | Hard | Sonchat Ratiwatana | Scott Lipsky David Martin | 7–5, 1–6, [8–10] |
| Loss | 19–16 | Mar 2011 | Guangzhou, China | Hard | Sonchat Ratiwatana | Michail Elgin Alexandre Kudryavtsev | 6–7$^{(3–7)}$, 3–6 |
| Win | 20–16 | Aug 2011 | Beijing, China | Hard | Sonchat Ratiwatana | Harri Heliövaara Michael Ryderstedt | 6–7$^{(4–7)}$, 6–3, [10–3] |
| Win | 21–16 | Sep 2011 | Shanghai, China | Hard | Sonchat Ratiwatana | Fritz Wolmarans Michael Yani | 7–6$^{(7–4)}$, 6–3 |
| Win | 22–16 | Oct 2011 | Seoul, South Korea | Hard | Sonchat Ratiwatana | Purav Raja Divij Sharan | 6–4, 7–6$^{(7–3)}$ |
| Win | 23–16 | Jan 2012 | Nouméa, New Caledonia | Hard | Sonchat Ratiwatana | Axel Michon Guillaume Rufin | 6–0, 6–4 |
| Win | 24–16 | Feb 2012 | Kazan, Russia | Hard(i) | Sonchat Ratiwatana | Aliaksandr Bury Mateusz Kowalczyk | 6–3, 6–1 |
| Win | 25–16 | Mar 2012 | Kyoto, Japan | Carpet(i) | Sonchat Ratiwatana | Hsieh Cheng-peng Lee Hsin-han | 7–6$^{(9–7)}$, 6–3 |
| Loss | 25–17 | May 2012 | Fergana, Uzbekistan | Hard | Sonchat Ratiwatana | Raven Klaasen Izak van der Merwe | 3–6, 4–6 |
| Win | 26–17 | Jul 2012 | Anning, China | Clay | Sonchat Ratiwatana | Ruan Roelofse Kittipong Wachiramanowong | 4–6, 7–6$^{(7–1)}$, [13–11] |
| Win | 27–17 | Jul 2012 | Wuhan, China | Hard | Sonchat Ratiwatana | Adam Feeney Sam Groth | 6–4, 2–6, [10–8] |
| Win | 28–17 | Aug 2012 | Beijing, China | Hard | Sonchat Ratiwatana | Yuki Bhambri Divij Sharan | 7–6$^{(7–3)}$, 2–6, [10–6] |
| Win | 29–17 | Sep 2012 | Shanghai, China | Hard | Sonchat Ratiwatana | Yuki Bhambri Divij Sharan | 6–4, 6–4 |
| Win | 30–17 | Sep 2012 | Ningbo, China | Hard | Sonchat Ratiwatana | Gong Maoxin Zhang Ze | 6–4, 6–2 |
| Loss | 30–18 | Nov 2012 | Yokohama, Japan | Hard | Sonchat Ratiwatana | Prakash Amritraj Philipp Oswald | 3–6, 4–6 |
| Win | 31–18 | Mar 2013 | Cherbourg, France | Hard(i) | Sonchat Ratiwatana | Philipp Marx Florin Mergea | 7–5, 6–4 |
| Win | 32–18 | Jun 2013 | Nottingham, United Kingdom | Grass | Sonchat Ratiwatana | Purav Raja Divij Sharan | 7–6$^{(7–5)}$, 6–7$^{(3–7)}$, [10–8] |
| Loss | 32–19 | Jul 2013 | Eskişehir, Turkey | Hard | Sonchat Ratiwatana | Marin Draganja Mate Pavić | 3–6, 6–3, [7–10] |
| Win | 33–19 | Sep 2013 | Shanghai, China | Hard | Sonchat Ratiwatana | Lee Hsin-han Peng Hsien-yin | 6–3, 6–4 |
| Loss | 33–20 | Nov 2013 | Yokohama, Japan | Hard | Sonchat Ratiwatana | Bradley Klahn Michael Venus | 5–7, 1–6 |
| Loss | 33–21 | Feb 2014 | New Delhi, India | Hard | Sonchat Ratiwatana | Saketh Myneni Sanam Singh | 6–7$^{(5–7)}$, 4–6 |
| Win | 34–21 | Mar 2014 | Guangzhou, China | Hard | Sonchat Ratiwatana | Lee Hsin-han Amir Weintraub | 6–2, 6–4 |
| Loss | 34–22 | Mar 2014 | Kyoto, Japan | Carpet(i) | Michael Venus | Purav Raja Divij Sharan | 7–5, 6–7$^{(3–7)}$, [4–10] |
| Win | 35–22 | May 2014 | Busan, South Korea | Hard | Sonchat Ratiwatana | Jamie Delgado John-Patrick Smith | 6–4, 6–4 |
| Loss | 35–23 | Oct 2014 | Pune, India | Hard | Sonchat Ratiwatana | Saketh Myneni Sanam Singh | 3–6, 2–6 |
| Loss | 35–24 | May 2015 | Taipei, Chinese Taipei | Carpet(i) | Sonchat Ratiwatana | Matthew Ebden Wang Chieh-fu | 1–6, 4–6 |
| Win | 36–24 | May 2015 | Busan, South Korea | Hard | Sonchat Ratiwatana | Nam Ji-sung Song Min-kyu | 7–6$^{(7–2)}$, 3–6, [10–7] |
| Win | 37–24 | Nov 2015 | Kobe, Japan | Hard(i) | Sonchat Ratiwatana | Chen Ti Franko Škugor | 6–4, 2–6, [11–9] |
| Win | 38–24 | Nov 2015 | Yokohama, Japan | Hard | Sonchat Ratiwatana | Riccardo Ghedin Yi Chu-huan | 6–4, 6–4 |
| Loss | 38–25 | Mar 2016 | Guangzhou, China | Hard | Sonchat Ratiwatana | Alexander Kudryavtsev Denys Molchanov | 2–6, 2–6 |
| Win | 39–25 | Apr 2016 | Gwangju, South Korea | Hard | Sonchat Ratiwatana | Frederik Nielsen David O'Hare | 6–3, 6–2 |
| Loss | 39–26 | May 2016 | Busan, South Korea | Hard | Sonchat Ratiwatana | Sam Groth Leander Paes | 6–4, 1–6, [7–10] |
| Loss | 39–27 | Sep 2016 | Bangkok, Thailand | Hard | Sonchat Ratiwatana | Wishaya Trongcharoenchaikul Kittipong Wachiramanowong | 6–7$^{(9–11)}$, 3–6 |
| Win | 40–27 | Sep 2016 | Kaohsiung, Chinese Taipei | Hard | Sonchat Ratiwatana | Hsieh Cheng-peng Yi Chu-huan | 6–4, 7–6$^{(7–4)}$ |
| Win | 41–27 | Oct 2016 | Ho Chi Minh City, Vietnam | Hard | Sonchat Ratiwatana | Jeevan Nedunchezhiyan Ramkumar Ramanathan | 7–5, 6–4 |
| Win | 42–27 | Jan 2017 | Bangkok, Thailand | Hard | Sonchat Ratiwatana | Sadio Doumbia Fabien Reboul | 7–6$^{(7–4)}$, 7–5 |
| Win | 43–27 | Feb 2017 | Kyoto, Japan | Hard(i) | Sonchat Ratiwatana | Ruben Bemelmans Joris De Loore | 4–6, 6–4, [10–7] |
| Win | 44–27 | Mar 2017 | Shenzhen, China | Hard | Sonchat Ratiwatana | Hsieh Cheng-peng Christopher Rungkat | 6–2, 6–7$^{(5–7)}$, [10–6] |
| Loss | 44–28 | Apr 2017 | Taipei, Chinese Taipei | Carpet(i) | Sonchat Ratiwatana | Marco Chiudinelli Franko Škugor | 6–4, 2–6, [5–10] |
| Loss | 44–29 | May 2017 | Busan, South Korea | Hard | Sonchat Ratiwatana | Hsieh Cheng-peng Peng Hsien-yin | 5–7, 6–4, [8–10] |
| Win | 45–29 | Jul 2017 | Winnetka, United States | Hard | Christopher Rungkat | Bradley Klahn Kevin King | 7–6$^{(7–4)}$, 6–2 |
| Win | 46–29 | Oct 2017 | Kaohsiung, Chinese Taipei | Hard | Sonchat Ratiwatana | Jonathan Erlich Alexander Peya | 6–4, 1–6, [10–6] |
| Win | 47–29 | Nov 2017 | Hua Hin, Thailand | Hard | Sonchat Ratiwatana | Austin Krajicek Jackson Withrow | 6–4, 5–7, [10–5] |
| Loss | 47–30 | Mar 2018 | Yokohama, Japan | Hard | Sonchat Ratiwatana | Tobias Kamke Tim Pütz | 6–3, 5–7, [10–12] |
| Loss | 47–31 | May 2018 | Gimcheon, South Korea | Hard | Sonchat Ratiwatana | Ruan Roelofse John-Patrick Smith | 2–6, 3–6 |
| Loss | 47–32 | Oct 2018 | Stockton, United States | Hard | Christopher Rungkat | Darian King Noah Rubin | 3–6, 4–6 |
| Win | 48–32 | Oct 2018 | Fairfield, United States | Hard | Christopher Rungkat | Harri Heliövaara Henri Laaksonen | 6–0, 7–6$^{(11–9)}$ |
| Loss | 48–33 | Jan 2020 | Bangkok, Thailand | Hard | Christopher Rungkat | Andrey Golubev Aleksandr Nedovyesov | 6–3, 6–7$^{(1–7)}$, [5–10] |

## Grand Slam doubles timeline

Key :
| W | F | SF | QF | #R | RR | Q# | DNQ | A | NH |
| Tournament | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | W–L |
| Australian Open | A | A | 1R | A | A | 1R | A | 1R | 0–3 |
| French Open | A | A | 1R | A | A | A | A | 1R | 0–2 |
| Wimbledon | 2R | 1R | 1R | 2R | 3R | 1R | 2R | 2R | 6–8 |
| US Open | A | A | 1R | A | A | A | 1R | A | 0–2 |
| Win–loss | 1–1 | 0–1 | 0–4 | 1–1 | 2–1 | 0–2 | 1–2 | 1–3 | 6–15 |