There is no "2012 open tennis tournament".
The men's singles at the 2011 Dubai tennis tournament was won by Novak Djokovic. The women's singles at the same tournament was won by Caroline Wozniacki.
Sania mirza
The first official tournement was the mens singles in 1877 won by Spencer Gore
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Rafael Nadal won the tournament. Novak Djokovic was the runner-up.
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Rui Machado
Althea Gibson was the first African American international tennis player. She was the first person of color to win a Grand Slam tournament when she won the French Open in 1956.
The tennis players who had won the Gold Medal in the men's doubles tennis tournament during the 2016 Rio Olympics was M. Lopez and R. Nadal both of Spain who had won against a Romanian team.