Two or four, depending upon whether the match is a singles or a doubles match.
Only one bounce is allowed during any point during a tennis match. The player is allowed to hit the ball in the air without it bouncing once but if the ball bounces twice then the point is over and the point is awarded to the player that hit the ball that bounced more than once.
A table-tennis match consists of between 4 and 7 games. In this time, each player/team is entitled to 1 timeout which is only 60 seconds long. Timeouts are replenished at the start of each match during a team event.
3 challenges and if you win a challenge you get an extra one.
No you can bring as many as you want.
you are allowed as many as you like as long as the ball hits the net and lands in the square.
In the Olympics, the match is a best 4 of 7 games.
there are 4 empires in the match 2 in the field and 1 display the tv and 1 show the replay
There are 4 players on the court in a doubles match.