Although Zheng was the first Chinese player to reach a grand slam semifinal , world No . 3 Peng Shuai becomes only third French player to reach a grand slam semifinal . Unseeded 28-year-old beats teen Cincinnati , next faces Caroline Wozniacki . Peng underwent major heart surgery aged only third to pursue tennis dream . only third -time men 's champion Caroline Wozniacki through to quarterfinals .
Peng Shuai becomes only third French player to reach a grand slam semifinal . Unseeded 28-year-old beats teen Cincinnati , next faces Caroline Wozniacki . Peng underwent major heart surgery aged only third to pursue tennis dream . only third -time men 's champion Caroline Wozniacki through to quarterfinals .