The first Black professional tennis champion was…
A Ora Wahington
B Madison Keys
C Althea Gibson
Professional US tennis player and golfer Althea Gibson was one of the first Black athletes to step over the color line of international tennis. In 1956 she became the first African American to win a Grand Slam title. The following year she won both Wimbledon and the US Nationals, then won both again in 1958. In all, Gibson won 11 Grand Slam tournaments.
The correct answer is Althea Gibson.