Walter Martin was Canadian Inter-Collegiate champion in singles and doubles in 1925, 1926 and 1927.
Walter was ranked in the top 10 in Canadian tennis between 1927 and 1933, and was the number one ranked Canadian player in 1933 and 1935. Martin was also a member of the Canadian Davis Cup team four times from 1931 through to 1934.
He served as president of the International Lawn Tennis Club of Canada in the 1970s. Martin’s interest in tennis continued long after his competitive career ended.