|Number of teams||18|
|Level on pyramid||1|
|Relegation to||Thai League 2|
|Domestic cup(s)||Thai FA Cup
|League cup(s)||Thai League Cup|
|International cup(s)||AFC Champions League
Mekong Club Championship
|Current champions||Muangthong United (4 titles)
|Most championships||Buriram United (5 titles)|
|TV partners||True Visions|
|2017 Thai League|
The Thai League (Thai: ไทยลีก), commonly known as the T1, is a Thai professional league for Football Association of Thailand clubs. At the top of the Thai football league system, it is the country's premier football competition. Contested by 18 clubs, it operates on a system of promotion and relegation with Thai League 2. The Thai League is a corporation in which the 18 member clubs act as shareholders. Seasons run from March to October, with teams playing 34 games each with a total of 306 games in the season. It is sponsored by Toyota and therefore officially known as the Toyota Thai League. In the Thai League, most of the games are played during Saturdays and Sundays, with a few games played during the weekdays.
Thai League was introduced in 1996 by the Football Association of Thailand (FAT) under the name Thailand Soccer League. Eighteen clubs who earlier competed for the Kor Royal Cup were registered to play in the first edition of a double round-robin league system. Thai Farmers Bank was crowned as the first champion of the 1996–97 Thailand Soccer League.
The Thai League originally had 10 to 12 clubs each season until 2007, when it was expanded to 16 clubs. At the end of each season, the three bottom placed clubs are relegated to the Thai Division 1 League.
Most of Thai League clubs in that time were the organization of government authorities club that based in Greater Bangkok and Metropolitan. Meanwhile, the other local clubs had competed in the semi-pro league called the Provincial League. Thai Premier League faced the issue of low attendance and lack of local loyalties while the Provincial league suffered the financial issue. In 2007, Thai League was integrated with Provincial League completely. Chonburi from the Provincial League was the first champion of the new Thailand Premier League in 2007 season.
In 2009 season, there were significant changes in the lead to the new era of the Thai Premier League. Asian Football Confederation declared the regulations for the associations that have the intention to send the clubs to compete in AFC Champions League starting from 2011. Football Association of Thailand had to establish Thai Premier League co.ltd and forced the clubs in the top league to complete AFC Club License Criterea otherwise Thai clubs will not eligible to play in the Champions League. Clubs were forced to separate themselves from the parent organizations and registered as the independent football authorities.
The massive changes occurred in that season. Thailand Premier League renamed to Thai Premier League. Two times league champion Krung Thai Bank failed to complete the new regulations. The organization decided to sell the club. The club was acquired by Boon Rawd and rebranded to be Bangkok Glass. Bangkok University had expelled their football club section. The club rebrand itself to Bangkok United since then. The organization-based clubs had to relocate to find the local supporters to backup the clubs. Osotspa changed their home stadium to Saraburi Province, TOT moved to play in Kanchanaburi, Royal Navy played in Rayong Province while Thailand Tobacco Monopoly integrated to Samut Sakhon Province and rebranded to TTM Samut Sakhon.
Thailand Clasico or The Classic Match of Thailand is the matchup between Muangthong United and Chonburi. It is the matchup that presents Thai football in the modern era. The name was given to the encounter of two teams due to the hype and massive atmosphere around the match. The first encounter between them happened in the 2009 Thai Premier League season. On 30 May 2009, Chonburi that was regarded as the best club in Thailand at that moment hosted the new powerhouse who were just promoted from Division 1 Muangthong United. The match was played at Nong Prue Stadium, Pattaya. Before the match, Chonburi was the leader in the table after 10 matches of the season while Muangthong followed in second with one less point. Chonburi made the lead by 2–0 in the first thirty minutes but Muangthong bounced back to win by the 5–2 result at the end. The match was full of the exciting and dramatic moments. Then, it was considered as one of the most classic matches in Thai League history. The Muangthong versus Chonburi matchup was dubbed as Thailand Clasico ever since then.
In 2012 season, Muangthong United under Serbian head coach Slaviša Jokanović, had become the first club in the league history that completed the season with an unbeatable record. Muangthong finished at the top of the final standing with 25 wins and 9 draws.
The Buriram Dominance refers to the 2013 to 2015 season, which Buriram United won Thai Premier League in three consecutive seasons as the first club in the league history. The three titles in that period included two invincible titles which Buriram United completed Thai Premier League campaign unbeaten in 2013 and 2015 season.
Since 2016, After Somyot Poompanmoung won the election and became the president of Football Association in February 2016, the new Association decided to promote Kor Royal Cup trophy from the Super Cup to be the reward of Thai League champions. Kor Royal Cup has returned to the top level trophy again since it was the highest level of club football competition which competed in the tournament in Thailand from 1916–1995.
|1||1996–97||Bangkok Bank||Stock Exchange of Thailand|
|2||1997||Royal Thai Air Force||Sinthana|
|3||1998||Sinthana||Royal Thai Air Force|
|4||1999||Royal Thai Air Force||Port Authority|
|5||2000||BEC Tero Sasana||Royal Thai Air Force|
|6||2001–02||BEC Tero Sasana||Osotspa M-150|
|7||2002–03||Krung Thai Bank||BEC Tero Sasana|
|8||2003–04||Krung Thai Bank||BEC Tero Sasana|
|10||2006||Bangkok University||Osotspa M-150|
|11||2007||Chonburi||Krung Thai Bank|
|14||2010||Muangthong United||Buriram PEA|
|17||2013||Buriram United||Muangthong United|
|19||2015||Buriram United||Muangthong United|
|20||2016||Muangthong United||Bangkok United|
||2008, 2011, 2013, 2014, 2015|
||2009, 2010, 2012, 2016|
|3||Air Force Central||
|BEC Tero Sasana||2000, 2001–02|
|Krung Thai Bank||2002–03, 2003–04|
|Bangkok Glass||Pathumthani||Leo Stadium||16,014|
|Bangkok United||Pathumthani||Thammasat Stadium||25,000|
|BEC Tero Sasana||Bangkok||Boonyachinda Stadium||3,500|
|Buriram United||Buriram||New I-Mobile Stadium||32,600|
|Chiangrai United||Chiangrai||United Stadium of Chiangrai||15,000|
|Muangthong United||Nonthaburi||SCG Stadium||15,000|
|Nakhon Ratchasima||Nakhon Ratchasima||80th Birthday Stadium||24,641|
|Navy||Chonburi||Sattahip Navy Stadium||12,500|
|Pattaya United||Chonburi||Nong Prue Stadium||5,000|
|Ratchaburi||Ratchaburi||Mitr Phol Stadium||13,000|
|Super Power Samut Prakan||Samut Prakarn||Samut Prakarn SAT Stadium||3,500|
|Sisaket||Sisaket||Sri Nakhon Lamduan Stadium||10,000|
|Sukhothai||Sukhothai||Thalay Luang Stadium||8,000|
|Suphanburi||Suphanburi||Suphan Buri Provincial Stadium||25,000|
|Thai Honda||Bangkok||72nd Anniversary Stadium||10,000|
|Ubon UMT United||Ubon Ratchathani||UMT Stadium||6,000|
|Port||Bangkok Glass||Bangkok United||Buriram United||BEC Tero Sasana||Thai Honda|
|PAT Stadium||Leo Stadium||Thammasat Stadium||New I-Mobile Stadium||Boonyachinda Stadium||72nd Anniversary Stadium|
|Capacity: 12,000||Capacity: 16,014||Capacity: 25,000||Capacity: 32,600||Capacity: 3,500||Capacity: 10,000|
|Ratchaburi||Chiangrai United||Chonburi||Muangthong United||Nakhon Ratchasima||Navy|
|Mitr Phol Stadium||United Stadium||Chonburi Stadium||SCG Stadium||80th Birthday Stadium||Sattahip Navy Stadium|
|Capacity: 13,000||Capacity: 15,000||Capacity: 8,680||Capacity: 15,000||Capacity: 24,641||Capacity: 12,500|
|Suphanburi||Pattaya United||Ubon UMT United||Sisaket||Sukhothai||Super Power Samut Prakan|
|Suphan Buri Provincial Stadium||Nong Prue Stadium||UMT Stadium||Sri Nakhon Lamduan Stadium||Thalay Luang Stadium||Samut Prakarn SAT Stadium|
|Capacity: 25,000||Capacity: 6,000||Capacity: 6,000||Capacity: 10,000||Capacity: 8,000||Capacity: 3,500|
|1||Cleiton Silva||2010–2014, 2015–||117||178|
|2||Sarayuth Chaikamdee||2001–2004, 2007–2012, 2013–2014||101||233|
|3||Teerasil Dangda||2009–2014, 2015–||95||216|
|5||Mohamed Koné||2003–2007, 2009, 2010–2014||87||177|
|8||Teeratep Winothai||2006–2008, 2009–2014, 2016–||65||232|
Figures for active players (in bold) .
Figures for active players (in bold) .
|2016||Cleiton Silva||Muangthong United||27|
|2015||Diogo Luís Santo||Buriram United||33|
|2014||Heberty Fernandes||Ratchaburi Mitr Phol||26|
|2013||Carmelo González||Buriram United||23|
|2012|| Teerasil Dangda
BEC Tero Sasana
|2011||Frank Ohandza||Buriram PEA||19|
|2010||Kengne Ludovick||Pattaya United||17|
|2009||Anon Sangsanoi||BEC Tero Sasana||18|
|2008||Anon Sangsanoi||BEC Tero Sasana||20|
|2007||Ney Fabiano de Oliveira||Thailand Tobacco Monopoly||18|
|2006||Pipat Thonkanya||BEC Tero Sasana||12|
|2004–05|| Supakit Jinajai
|Provincial Electricity Authority
Port Authority of Thailand
|2002–03||Sarayoot Chaikamdee||Port Authority of Thailand||12|
|2001–02|| Worrawoot Srimaka
|BEC Tero Sasana
Port Authority of Thailand
|2000||Sutee Suksomkit||Thai Farmer Bank||16|
|1999||Sutee Suksomkit||Thai Farmer Bank||13|
|1998||Ronnachai Sayomchai||Port Authority of Thailand||23|
|1997||Worrawoot Srimaka||BEC Tero Sasana||17|
|2015||Alexandre Gama||Buriram United|
|2013||Attaphol Buspakom||Bangkok Glass|
|2012||Slaviša Jokanović||Muangthong United|
|2011||Chalermwoot Sa-ngapol||Pattaya United|
|2010||René Desaeyere||Muangthong United|
|2009||Attaphol Buspakom||Muangthong United|
|2008||Prapol Pongpanich||Provincial Electricity Authority|
|2006||Somchai Subpherm||Bangkok University|
|2004–05||José Alves Borges||Thailand Tobacco Monopoly|
|2003–04||Worrawoot Dangsamer||Krung Thai Bank|
|2002–03||Narong Suwannachot||Krung Thai Bank|
|2001–02||Attaphol Buspakom||BEC Tero Sasana|
|2000||Pichai Pituwong||BEC Tero Sasana|
|1999||Piyapong Piew-on||Royal Thai Air Force|
|1997||Piyapong Piew-on||Royal Thai Air Force|
|1996–97||Withaya Laohakul||Bangkok Bank|
|2015||Diogo Luís Santo||Buriram United|
|2014||Suchao Nutnum||Buriram United|
|2013||Theeraton Bunmathan||Buriram United|
|2012||Teerasil Dangda||Muangthong United|
|2010||Datsakorn Thonglao||Muangthong United|
|2009|| Jetsada Jitsawad (Defender)
Kittipol Paphunga (Midfielder)
Pipat Thonkanya (Striker)
BEC Tero Sasana
|2008||Narongchai Vachiraban||Provincial Electricity Authority|
|2006||Punnarat Klinsukon||Bangkok University|
|2004–05||José Carlos da Silva||Thailand Tobacco Monopoly|
|2003–04||Pichitphong Choeichiu||Krung Thai Bank|
|2002–03||Cumpee Pintrakul||Bangkok Bank|
|2001–02||Apichad Thaveechalermdit||Bangkok Bank|
|2000||Anurak Srikerd||BEC Tero Sasana|
There are 18 clubs in the Thai League. During the course of a season, which lasts from March to October, each club plays the others twice, once at their home stadium and once at that of their opponents, for a total of 34 games. Teams receive three points for a win and one point for a draw. No points are awarded for a loss. Teams are ranked by total points, then head-to-head, then goal difference, and then goals scored. At the end of each season, the club with the most points is crowned champion. If points are equal, the head-to-head, the goal difference and then goals scored determine the winner. If still equal, teams are deemed to occupy the same position. If there is a tie for the championship, for relegation, or for qualification to other competitions, a play-off match at a neutral venue decides rank. The three lowest placed teams are relegated into the Thai Division 1 League and the top three teams from the Division 1 League are promoted in their place.
In the past the champions will play in AFC Champions League playoffs and AFC Cup for the champions of Thai FA Cup. Due to reforms from the AFC for the AFC Champions League and AFC Cup format, there will be no more a direct qualification spot for the AFC Champions League for that Thai Champion, for the time being. From 2012 Thai clubs has 1 automatic spot to the group stage and 1 playoff spot for the Thai FA Cup Winners and 1 playoff spot for the thai league runner-up.
The Thai League has been sponsored since 1996 until 2003 and has been sponsored again since 2010. The sponsor has been able to determine the league's sponsorship name. The list below details who the sponsors have been and what they called the competition:
The 2016–2020 season uses the Grand Sport.
Like the reserve league, the youth league is open to all the youth teams of all professional clubs in Thailand.
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