정현, 베르다스코에 3시간22분 접전 대역전승…'나달 나와라'br br South Korean tennis player Chung Hyeon has made it to the third round of the U.S. Open after a stunning comeback.br He fought back from two sets down during Thursday's second round against Spain's 32 seed Fernando Verdasco.br Chung eventually won by three sets in a match that lasted over three hours.br This is the third time in as many years the Korean has made it into the third round of a Grand Slam tournament.br On Sunday, the 23-year-old will face world number 2 and three-time U.S. Open champion Rafael Nadal.