Most blacks were stripped of their South African citizenship when the "homelands" became "independent".
He holds both Swiss and South African citizenship.
Jim Crow Laws prevented full use of African American citizenship until the 20th century.
He also holds South African citizenship and is therefore registered as a local.
In 1954, he became the first and, to date, only player with African citizenship to win the Wimbledon Championships.
Players who also hold South African citizenship do not count as foreigners.
In 2007 both became naturalised British citizens, while retaining their South African citizenship.
Naturalisation of an adult also confers South African citizenship upon that adult's minor children.
Players with foreign and South African citizenship do not count as foreigners.
South African citizenship has primarily been founded on conceptions of racial entitlement and lawful residence.