Claim: The Tennis South Invitational was lost thrice by players from the US from 1973 to 1977.
Evidence: United_States Eddie Dibbs 1973 United_States Brian Teacher 1977 United_States Zan Guerry
South_Africa Frew McMillan 1973 United_States Fred McNair
United_States Grover Raz Reid 1974 United_States Brian Gottfried
Mexico Raúl Ramírez 1976