Answer
Radek Štěpánek was Lucie Hradecká's partner in the mixed doubles at the 2016 Olympic Games. Štěpánek is a former world No. 8 in singles and a two-time Grand Slam champion in mixed doubles. He and Hradecká reached the quarterfinals of the Olympic tournament, losing to the eventual gold medalists Bethanie Mattek-Sands and Jack Sock of the United States.