A right-handed player, Wilde represented Great Britain in the Davis Cup from 1937 to 1939.

One of the four losses was in the final of the 1937 tournament, against the United States in London, partnering Raymond Tuckey.

[2] At the 1939 Wimbledon Championships he again finished runner up with Hare and also lost the mixed doubles final, with Nina Brown.

[3][4] As a singles player his best Grand Slam performance was a fourth round appearance at the 1933 French Championships.

His career was interrupted by World War II, after his success at Wimbledon in 1939 he didn't reappear at the tournament until 1946.