Ričardas Berankis was the defending champion but, no longer competing in junior tennis, did not defend his title.
David Guez won in the final against Benoît Paire 6–3, 6–1.
Giovanni Lapentti was the defending champion but chose not to participate.
Sebastián Decoud won the final against Daniel Muñoz-de la Nava 6–3, 7–6(7–3):
Andrés Molteni was the defending champion, but he lost in the first round.
Guido Pella won the title, defeating Paolo Lorenzi 1–6, 7–5, 6–3 in the final.
Stéphane Robert was the defending champion but decided not to participate.
Jonathan Dasnières de Veigy won the title by defeating Jan Hájek 7–5, 6–2 in the final.
Rui Machado was the defending champion but decided not to participate that year.
Jerzy Janowicz won the final 6–3, 6–3 against Jonathan Dasnières de Veigy.
Daniel Brands was the defending champion but decided not to participate.
Dominik Meffert won the title, defeating Nils Langer 6–4, 6–3 in the final.
John Isner successfully defended his title by beating Tomáš Berdych 3–6, 6–4, 7–6(11–9) in the final.
Carlos Berlocq was the defending champion but decided not to participate.
Andrey Kuznetsov won the title, after Paolo Lorenzi retired after trailing 3–6, 0–2 in the final.
Sebastián Decoud was the defending champion, but lost in the second round.
João Souza won the title, defeating Guillaume Rufin 6–2, 7–6(7–4) in the final.
Thiemo de Bakker won the final 6–2, 3–6, 6–2 against Martín Alund.
Jarkko Nieminen was the defending champion, but lost to eventual champion Bernard Tomic in the quarterfinals.
It was Tomic's first ATP title and his first final; he defeated Kevin Anderson 6–3, 6–7(2–7), 6–3 in the final.
Juan Mónaco was the defending champion, but lost to Guillaume Rufin in the second round.
Horacio Zeballos won the title by defeating Rafael Nadal, in his return to the pro circuit, in the final, 6–7(2–7), 7–6(8–6), 6–4.
Novak Djokovic was the defending champion, but lost in the fourth round to Tommy Haas. This championship was the first since the tournament's inception that no American was featured in the quarterfinals, with the last player from the US, Sam Querrey, beaten in the fourth round by Tomas Berdych. This meant that it was also the first all-European final eight at the Miami Masters.
Template:Innline citations
Andy Roddick was the defending champion, but he retired from professional tennis in September 2012. Feliciano López won the title beating in the final Gilles Simon, 7–6(7–2), 6–7(5–7), 6–0 for the third title of his career, first since 2010.
Dominik Meffert was the defending champion, but lost to Guillaume Rufin in the semifinals.
8th seed Michael Berrer won the first edition of the event against Nicolas Mahut in three sets 1–6, 6–4, 6–3.
Jo-Wilfried Tsonga was the defending champion, but lost in the final to Ernests Gulbis 6–7(5–7), 4–6.
Guillaume Rufin is the defending champion, after defeating Peter Gojowczyk.
