He was renowned for his fitness and played several sports to a good standard.

[2] Entering the Australian Championships for the first time in 1933, Kay lost in round one to Wilmer Allison.

The following year he lost his first match to Harry Lee in five sets.

In 1936 Kay reached the semi-finals (beating Don Turnbull before losing to Jack Crawford).

This biographical article relating to Australian tennis is a stub.