Net fault
- A player touches the net in a playing action
- A player interferes with the play by touching the net
- A player serves into the net
Penetration into the opponent's court
- A player penetrates into the opponent's court with a full foot
- A player interferes with the play of the opponent under the net
- A ball crosses the space under the net compeltely
Double fault or and replay
- External interference
- Two players of opposing teams commit a fault at the same time