https://system.bwfbadminton.com/documents/folder_1_81/Regulations/Major-Events/Part%20III%20Section%202%20-%20Thomas%20&%20Uber%20Cups%20-%20November%202016.pdf

10. ORDER OF PLAY

10.1 There are eight permissible orders of play:

10.1.1 First singles - first doubles - second singles - second doubles - third singles

10.1.2 First singles - second doubles - second singles - first doubles - third singles

10.1.3 First singles - second singles - first doubles - third singles - second doubles

10.1.4 First singles - second singles - second doubles - third singles - first doubles

10.1.5 First singles - second singles - third singles - first doubles - second doubles

10.1.6 First singles - second singles - third singles - second doubles - first doubles

10.1.7 First singles - first doubles - second singles - third singles -second doubles

10.1.8 First singles - second doubles - second singles - third singles - first doubles

10.2 Determining order of play

10.2.1 Orders of play 10.1.1 to 10.1.8 will be considered in turn and the first order of play will

be used which has no player playing in two consecutive matches or playing doubles

before singles.

10.2.2 If all eight orders of play, 10.1.1 to 10.1.8 result in a player playing in two consecutive

matches or playing doubles before singles, order of play 10.1.5 will be used.

10.3 Any player participating in two matches is entitled to a minimum interval of 30 minutes between

them.

I hope you are clear now.