[1] Champions from the quad wheelchair tennis events at the Paralympic Games are also included.
Players who won all four Grand Slam titles and the Paralympic gold medal simultaneously (in a calendar year).
Players who won all four Grand Slam titles and the Paralympic gold medal over the course of their careers.
Players who won all four Grand Slam titles, the Olympic gold medal and the year-end championship over the course of their careers.
Players who won Grand Slam titles on clay, grass and hard courts in a calendar year.