2006 In 2006, he won four consecutive Futures events: the former two in
Argentina, the latter two in
Bolivia.
2007 In 2007 he won a Challenger title in
Medellín, defeating
Chris Guccione in the final. He also won three consecutive Futures events. He won the bronze medal in singles and the gold medal in men's doubles at the
2007 Pan American Games in
Rio de Janeiro.
2008 In April 2008, Schwank won two consecutive Challenger events, the first in
Cremona, Italy and the second in
Rome, Italy. On May 12, 2008, a hotel in which Schwank was staying while competing in a Challenger event in
Bordeaux, France caught fire. Schwank's room was engulfed by the blaze, which destroyed his laptop, his passport, as well as the prize money he had earned from the Rome Challenger tournament. Schwank was not in his room at the time. He ended up winning the tournament, making that his third consecutive Challenger title. He was involved in a legal battle after reportedly being accused of responsibility for the blaze by leaving an oven switched on in his room. He denied the charges. At the
2008 French Open, Schwank defeated former world no. 1
Carlos Moyá in the first round. He was also victorious in his next match, but was defeated in the third round by
Paul-Henri Mathieu in four sets.
2011 Schwank reached the final of the French Open in men's doubles partnering
Juan Sebastián Cabal. In the final, they lost to
Max Mirnyi and
Daniel Nestor in three tight sets with a tiebreak in the first set. He also reached the final of the US Open in mixed doubles partnering
Gisela Dulko. They lost to
Jack Sock and
Melanie Oudin in a super-tiebreak.
2012 In 2012, Schwank qualified for the French Open and advanced to the third round, where he lost to
Rafael Nadal. He also teamed with
Gisela Dulko in mixed doubles, and they beat
Serena Williams and
Bob Bryan in the first round. Schwank, partnering
Juan Ignacio Chela, reached third round of Wimbledon 2012 doubles and lost to
Daniele Bracciali and
Julian Knowle. At the
2012 Summer Olympics, he partnered with David Nalbandian in the men's doubles, but they were knocked out in the first round. ==Grand Slam finals==