Youngest person to win a wheelchair tennis calendar Grand Slam (female)

The youngest female player to win a wheelchair tennis calendar Grand Slam is Yui Kamiji (Japan, b. 24 April 1994) aged 20 years 135 days on winning the 2014 US Open women's doubles with partner Jordanne Whiley (UK) at Flushing Meadows, New York, New York on 6 September 2014.

The four Grand Slams are the Australian Open, French Open, Wimbledon and the US Open - Yui Kamiji won all four in 2014 competing alongside Jordanne Whiley. It is the fourth time in the previous six years that a doubles pair have completed the calendar Grand Slam in Wheelchair Tennis.