The stroke used to put the ball into play is called?

A set is won by the player(s) who win at least _____ games.

How many "Grand Slam" tennis tournaments are there at present?

Which is the highest paying tennis tournament in the world?

Where did the Grand-slam, US-Open take place ?

Where did the Grand-slam, Australian-Open take place ?

The first French open was organized in?

In the Lawn Tennis while serving the serve always has to fall in the ______

What is size of Double's Court?

Where is the headquarters of International Tennis Federation ?