[5] In a first-class cricket career lasting 32 years from the age of 16,[6] Hardinge scored 33,519 runs and made 75 centuries.
[7][11] He played in the four Kent County Championship winning sides of the period between 1906 and 1913 and was named as one of Wisden's five Cricketers of the Year in 1915.
[6] His one appearance in Test cricket came against Armstrong's touring Australian side in 1921 at Headingley in a match where Jack Hobbs had to withdraw on the opening day because of appendicitis.
[7] Hardinge scored 25 and 5 and was not picked again, although he did play twice in war-time matches for an England side against the Dominions in 1918.
[7] He bowled slow left arm spinners well enough to take 371 career wickets in a Kent side which featured great spin bowlers such as Colin Blythe and Tich Freeman as well as Woolley and Bill Fairservice.
He took six wickets for nine runs on a turning pitch at the Nevill Ground in Tunbridge Wells in 1929 and had a career best return of 7/64 against the Marylebone Cricket Club at Lord's in 1932.
Whilst at Bramall Lane he won one England cap in 1910 against Scotland at Hampden Park in the 1909–10 British Home Championship.
[5] He made 70 wartime appearances for the team whilst serving as a mechanic during the war and played for an England side against Scotland in an RAF International match in 1919.
[5] He retired as a professional footballer in 1921, having played 55 times and scored 14 goals for the Gunners' first team.