"And I hope to be ready to play my highest level because that’s what I am going to need.The three-times champion took control of the match when he broke the South Korean’s serve in the first set to grab a 4-2 lead and never looked back on a sun-soaked Arthur Ashe Stadium court.Next up for Nadal is a last 16-clash with 2014 champion Marin Cilic, who came out on top in his slugfest with John Isner on the Grandstand court. Open fourth round with a business-like 6-3 6-4 6-2 win over Chung Hyeon on Saturday.". I need to be ready to accept the challenge that brings the competition in days like these ones."I need to be focused on my serve, as always.New York: Rafael Nadal cruised into the U.S.Nadal said the key was to toppling an opponent like Cilic was holding serve and making the most of his opportunities when receiving.Nadal will have his work cut out when he meets big-serving Cilic on Monday, who defeated Isner 7-5 3-6 7-6(6) 6-4."
Chances are not a lot, so you need to be ready to expect a very tough one," he told reporters."I am happy to be playing on hard courts and I am trying to play a little more aggressive.The second-seeded Spaniard, who has been hampered by troublesome knees throughout his career, did not wear his usual tape on his legs during the match.Nadal had been on the court for just over two hours prior to his third-round match after defeating John Millman in straight sets on Tuesday before getting a walkover into the third Wholesale Bondable aluminum PET round when Thanasi Kokkinakis withdrew."Tape is not working anymore," he said with a smile during his on-court interview.