If even after 10 penalties, sudden death ensues
The same player may take two of the five initial kicks
You can be sent off for violent conduct
If sudden death goes on for long enough, goalies will have to take penalties
If still level, coaching staff then take penalties
If one team finishes extra time a man down, the other must remove a player for the shoot-out
If a player is sent off during the shoot-out, the other team must remove a player
That player (box above) may be re-introduced as a sub if the goalie gets injured
Sudden death stops after 50 kicks and a replay is declared
30 minutes is the time limit
There's no theoretical end to sudden death, in the rules
After 22 kicks, the order of kick-takers must be maintained from before
A Namibian Cup final had a world record 48 kicks
If a player is sent off, no replacement sub is allowed
England have never won a penalty shoot-out
If the keeper gets sent off, the opposition take their penalties into an empty net
If a team compiles 5 red cards total for the game, the match ends
You can substitute players
An injured player can be substituted
Shoot-out goals count towards a scorer's total goal stats for the tournament
The first World Cup final with a penalty shoot-out was 1994
Baggio scored the winning penalty
In 1970, Honved beat Aberdeen in the first ever UEFA club tournament shoot-out
Before that, some draws were settled by number of corners won
Italy won Euro '68 thanks to a toss of the coin
If the ball goes in off the referee, it is a goal
Panenka penalties are banned in the German league
A goalie scored the winner in a Euro 2004 quarter-final
Your first penalty taker could also be your sixth.
Spectators must remain until the shoot-out concludes