The 2018 Thomas &amp; Uber Cup (officially known as the 2018 BWF Thomas &amp; Uber Cup) was the 30th edition of the Thomas Cup and the 27th edition of the Uber Cup, the biennial international badminton championship contested by the men and women's national teams of the member associations of Badminton World Federation (BWF). The tournament was hosted by Bangkok, Thailand 20–27 May 2018.
The matches were played at IMPACT Arena. It was the second time that Thailand hosted the Thomas Cup and the first time hosted the Uber Cup tournament and the first time this event was held in Southeast Asia since 2010 in Malaysia.
Denmark were the defending men's champions, and China were the defending women's champions.
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Host selection.
Bangkok and New Delhi submitted bids for this championships. Bangkok was named as the host in March 2017 during BWF Council meeting in Kuala Lumpur, Malaysia, where BWF also decided the host for 2018 BWF World Championships, 2019 Sudirman Cup and 2019 BWF World Championships.
Qualification.
Thomas Cup.
 ;templatestyles src="Citation/styles.css"/ ;^1 Best ranked team from Europe 
 ;templatestyles src="Citation/styles.css"/ ;^2 England withdrew, and replaced by Hong Kong as the next highest ranked team 
Uber Cup.
 ;templatestyles src="Citation/styles.css"/ ;^3 Best ranked team from Asia 
 ;templatestyles src="Citation/styles.css"/ ;^4 Spain withdrew and replaced by France as the next highest ranked team 
Draw.
The draw for the tournament was conducted on 22 March 2018, at 18:00 ICT, at Arnoma Grand Hotel in Bangkok. The 16 men and 16 women teams were drawn into four groups of four.
For the Thomas Cup draw, the teams were allocated to three pots based on the World Team Rankings of 22 February 2018. Pot 1 contained the top seed China (which were assigned to position A1), the second seed Denmark (which were assigned to position D1) and the next two best teams, Indonesia and Chinese Taipei. Pot 2 contained the next best four teams, and Pot 3 was for the ninth to sixteenth seeds.
A similar procedure was applied for Uber Cup draw, where top seed Japan (which were assigned to position A1), the second seed China (which were assigned to position D1), Korea and Thailand were in Pot 1.
Tiebreakers.
The rankings of teams in each group were determined as follows (regulations Chapter 5 Section 5.2.1. Article 12): 
Teams that won 3 match first win the tie: 1 point for the winner, 0 match points for the loser.
Thomas Cup.
Group stage.
Group A.
 India 
 v  France
 China 
 v  Australia
 China 
 v  France
 India 
 v  Australia
 China 
 v  India
 France 
 v  Australia
Group B.
 Indonesia 
 v  Canada
 South Korea 
 v  Thailand
 South Korea 
 v  Canada
 Indonesia 
 v  Thailand
 Indonesia 
 v  South Korea
 Thailand 
 v  Canada
Group C.
 Japan 
 v  Hong Kong
 Chinese Taipei 
 v 
 Japan 
 v 
 Chinese Taipei 
 v  Hong Kong
 Chinese Taipei 
 v  Japan
 Hong Kong 
 v 
Group D.
 Malaysia 
 v  Russia
 Denmark 
 v  Algeria
 Denmark 
 v  Russia
 Malaysia 
 v  Algeria
 Denmark 
 v  Malaysia
 Russia 
 v  Algeria
Knockout stage.
Quarter-finals.
 China 
 v  Chinese Taipei
 Indonesia 
 v  Malaysia
 France 
 v  Japan
 South Korea 
 v  Denmark
Semi-finals.
 China 
 v  Indonesia
 Japan 
 v  Denmark
Final.
 China 
 v  Japan
Final ranking.
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Uber Cup.
Group stage.
Group A.
 Japan 
 v  Australia
 India 
 v  Canada
 Japan 
 v  Canada
 India 
 v  Australia
 Japan 
 v  India
 Canada 
 v  Australia
Group B.
 Chinese Taipei 
 v  Hong Kong
 Thailand 
 v 
 Thailand 
 v  Hong Kong
 Chinese Taipei 
 v 
 Thailand 
 v  Chinese Taipei
 Hong Kong 
 v 
Group C.
 South Korea 
 v  Mauritius
 Denmark 
 v  Russia
 Denmark 
 v  Mauritius
 South Korea 
 v  Russia
 South Korea 
 v  Denmark
 Russia 
 v  Mauritius
Group D.
 China 
 v  France
 Indonesia 
 v  Malaysia
 China 
 v  Malaysia
 Indonesia 
 v  France
 China 
 v  Indonesia
 Malaysia 
 v  France
Knockout stage.
Quarter-finals.
 Japan 
 v  Chinese Taipei
 South Korea 
 v  Canada
 Indonesia 
 v  Thailand
 Denmark 
 v  China
Semi-finals.
 Japan 
 v  South Korea
 Thailand 
 v  China
Final.
 Japan  
 v  Thailand
Final ranking.
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References.
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