A most stupid thing in a 5 minutes matches (especially in playoffs) is too much of "free time" (before the match,half break,after the match and before the serie of penalties,pauses for game menu,etc.,hope you understand what I mean lol).
Mean total time for the playoff match is limited,but every player still has possibility to spend really big part of this time for nothing.
Sorry for my English lol,just simple example to make you understand what I mean :
For example,you're playing tournament and your final position is 6th in TOP16 qualification.So,you're going to playoffs,congrats.
For the 1/8 final you have opponent with 3rd position in TOP16 qualification.
As first,you're waiting him for a 90 sec. in a pre-match room,couse he wonts to push "start the match" button.
When the match starts,you opponent just pause the game every minute.
After,you're waiting for him for a full half time break.He don't want to push "start" button again.
For a 2nd half,story with every minute "pause" pushing repeats again.
Tbh,its not so easy deal to score any goals when your opponent pushing "pause" every minute.So,match has finished as goales draw.
After the match,you also waiting for couple of minutes again,couse your opponent doesnt know lol where "start the serie of penalty" button is.
Probably,you still thinking you have some chances to win serie of penalty,right?
Forget about this,couse you just have no time anymore for penalty shots.Your opponent has spent this time with a help of pauses.
So,he is automatically qualified to the next round,becouse he has better position in TOP 16 qualification.
Sorry,but he just has officialy f*cked you with a help of "fairplay" playoff rules,created by Konami.Thank you Konami!.End of story.