Who was Jack Sock's partner in the 2016 Olympic gold medal mixed doubles?
Bethanie Mattek-Sands
Serena Williams
Venus Williams
Madison Keys
Answer
Bethanie Mattek-Sands partnered with Jack Sock to win the mixed doubles gold medal at the 2016 Olympics. The duo defeated Venus Williams and Rajeev Ram in the final, securing the first Olympic gold medal in mixed doubles for the United States since 1912.
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