 He captained the school football team, and was a ballboy at Queen's Club during the school holidays.Maskell soon decided to concentrate on tennis, and left school in 1923 to become a full-time ballboy at Queen's Club.Maskell became a junior teaching professional at Queen's in 1924, aged 16, and was given a five-year contract in 1926, teaching real tennis, rackets, and squash in addition to lawn tennis.