[1] Born and raised in Hampshire, Lewis was one of seven siblings and had an early introduction to the sport by playing on the tennis court at their family home.

He was a pupil at Homefield School in Dorset and studied medicine at St Catharine's College, Cambridge, as well as Westminster Hospital.

[3] He made regular Wimbledon appearances, which included making the mixed doubles fourth round in 1948.

He earned a Davis Cup call up in 1949 and played a reverse singles rubber in Great Britain 5–0 sweep over Portugal in Lisbon.

Later in 1949 he travelled to the United States and played in the U.S. National Championships, losing his first round match in five sets to Frank Shields.