Despite a career hampered significantly by injuries, Juan Martin del Potro has nonetheless reached incredibly high peaks in his time in pro tennis. With a strong serve and a huge forehand, del Potro took the ATP by storm at the age of 20 by winning the 2009 U.S. Open. He beat Rafael Nadal in the semifinals and Roger Federer in the championship match, twice coming back from a set down to take the title in five sets. He became the first player ever to beat both Nadal and Federer in the same major. It was a triumphant cap to his most successful season, a year in which he also reached the quarters of the Australian Open and the semis of the French Open. In January of 2010, he skyrocketed to No. 4 in the world. He’s found great success at the Olympics, finishing fourth in 2012 and taking home the silver singles medal at the 2016 Games in Rio de Janeiro. In Rio, he stunned No. 1 seed Novak Djokovic in the first round and topped Nadal in the semis. Andy Murray beat him for the gold in a four-set classic. Later that year, he led Argentina to its first-ever Davis Cup title.
Juan Martin del Potro captured his first career major with a hard-fought win over Roger Federer at the 2009 U.S. Open: