### Clue: Number wrong to be upset following board game (5,6)
### Answer: TABLE TENNIS 
 ### Explanation: Definition: game
 [ TEN(number 10) + **reversal of**(… to be upset, in a down clue) SIN(a wrong/an offence) ] **placed after**(following) TABLE(board/the food that is provided).
Remember ping-pong diplomacy?: