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MUNICH, GERMANY - 1991: Champion Serena Williams of the USA (right) and her sister and runner-up Venus Williams pose with their trophies after the Women's Final of the Compaq Grand Slam Cup tennis tournament at the Olympiahalle in Munich, Germany circa September, 1991. (Photo by Professional Sport/Popperfoto via Getty Images/Getty Images)

MUNICH, GERMANY - 1991: Champion Serena Williams of the USA (right) and her sister and runner-up Venus Williams pose with their trophies after the Women's Final of the Compaq Grand Slam Cup tennis tournament at the Olympiahalle in Munich, Germany circa September, 1991. (Photo by Professional Sport/Popperfoto via Getty Images/Getty Images)