TENNIS

1. HISTORY

1.1. The Origins

1.1.1. the evolution of tennis

1.1.1.1. tennis evolved over three centuries from many ball games from the 12th century

1.1.1.2. it was played with bare hands

1.1.1.2.1. later evolved into glove

1.1.2. tennis lawn

1.1.2.1. combined elements of the game of rackets and the Spanish ball game Pelota

1.1.2.2. on a croquet lawn

2. consisting of a handled frame with an open hoop across which a network of cord is stretched tightly.

3. Equitments used

4. GRAND SLAMS

4.1. wimbledon open

4.2. U.S open

4.3. AUSTRALIA OPEN

4.4. French open