1. In 1874, Major Walter Clopton Wingfiled patented tennis under the name 'Sphairistike'.
2. 'Sphairistike' was a Greek word meaning Ball Game.
3. Lawn Tennis was derived from Real or royal tennis played on an enclosed Court.
4. Initially tennis was played on an hour-glass shaped court with a net that was 4ft 8in high. A modern net is 3.5ft at the posts, 3ft in the middle.