semifinals, after wins over Lu Yen-hsun, 14th seed Gaël Monfils, 31st seed Andy Roddick, and 8th seed Mardy Fish. This performance pushed him to no. 16 in the world, his highest ranking since May 2008. He then played in the 2012 U.S. Men's Clay Court Championships as the 4th seed and wild card. He beat Tatsuma Ito, Kevin Anderson, and Michael Russell to advance to the final. In the final, he faced second seed John Isner and won, to claim his second title of the year and fifth overall. He also matched his career-high ranking of no. 14 in the world after the win. He then played at the 2012 Monte-Carlo Rolex Masters, where he retired due to a right ankle injury in his first-round match against Robin Haase while leading by a break in the third. The injury also forced him to withdraw from the Barcelona Open and the Mutua Madrid Open. He was seeded 14th in Rome and won his first two matches against Adrian Ungur, and Radek Štěpánek, before losing to defending champion and world no. 1 Novak Djokovic. At the French Open, he first faced Frenchman Guillaume Rufin. He then cruised passed Lukáš Rosol. In the third round he had a tough match against the big-serving Canadian Milos Raonic and converted 3/16 break points and saved all break points he faced, the Argentinian won the match. He made it to the fourth round, where he lost to Rafael Nadal. He was broken twice in the first set and pulled a double bagel in the second and third, although he had a couple of break opportunities of his own in the second. At the 2012 Wimbledon Championships, he finally notched his first career win on grass by beating compatriot Leonardo Mayer in the first round. He then followed it up with a win over Jérémy Chardy. In the third round, he lost to Viktor Troicki despite leading the 1st set by a break and coming back from a break in the second. Juan Mónaco then played the 2012 MercedesCup, he cruised past Tobias Kamke and Pavol Červenák in straight sets after receiving a bye in the first round. He then faced Guillermo García-López and was leading 5–0 in the third set; he then lost 5 games in a row but eventually won 7–5. In the final he lost to top seed Janko Tipsarević, even after coming back