| Singles | |
|---|---|
| 2009 St. Petersburg Open | |
| Champion |  Sergiy Stakhovsky |
| Runner-up |  Horacio Zeballos |
| Final score | 2–6, 7–6(10–8), 7–6(9–7) |
Andy Murray was the defending champion, but he chose not to compete this year.
Sergiy Stakhovsky won in the final over Horacio Zeballos 2–6, 7–6(10–8), 7–6(9–7).
Mikhail Youzhny (second round, retired because of a lower back injury)
Victor Hănescu (quarterfinals)
Viktor Troicki (first round)
Jérémy Chardy (second round) Igor Andreev (second round, retired because of a left knee injury) Evgeny Korolev (first round)
Pablo Cuevas (first round) Horacio Zeballos (final)| Semifinals | Final | ||||||||||||
| Marat Safin | 4 | 6 | 4 | ||||||||||
| Q | Sergiy Stakhovsky | 6 | 4 | 6 | |||||||||
| Q | Sergiy Stakhovsky | 2 | 710 | 79 | |||||||||
| 8 | Horacio Zeballos | 6 | 68 | 67 | |||||||||
| 8 | Horacio Zeballos | 79 | 6 | ||||||||||
| Igor Kunitsyn | 67 | 3 | |||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | M Youzhny | 6 | 6 | ||||||||||||||||||||||||
 A Golubev | 3 | 2 | 1 | M Youzhny | 2 | 1r | |||||||||||||||||||||
 D Istomin | 6 | 6 | D Istomin | 6 | 2 | ||||||||||||||||||||||
 R Schüttler | 4 | 4 | D Istomin | 0 | 64 | ||||||||||||||||||||||
| M Safin | 77 | 6 | M Safin | 6 | 77 | ||||||||||||||||||||||
| R Gasquet | 65 | 4 | M Safin | 6 | 0 | ||||||||||||||||||||||
 P Starace | 4 | 2 | 5 | I Andreev | 3 | 1r | |||||||||||||||||||||
| 5 | I Andreev | 6 | 6 | M Safin | 4 | 6 | 4 | ||||||||||||||||||||
| 3 | V Troicki | 64 | 6 | 4 | Q | S Stakhovsky | 6 | 4 | 6 | ||||||||||||||||||
 K Beck | 77 | 4 | 6 | K Beck | 4 | 1r | |||||||||||||||||||||
| WC | S Vovk | 3 | 2 | B Phau | 6 | 2 | |||||||||||||||||||||
| B Phau | 6 | 6 | B Phau | 2 | 5 | ||||||||||||||||||||||
 M Granollers | 77 | 66 | 4 | Q | S Stakhovsky | 6 | 7 | ||||||||||||||||||||
| WC | A Kuznetsov | 64 | 78 | 6 | WC | A Kuznetsov | 1 | 4 | |||||||||||||||||||
| Q | S Stakhovsky | 6 | 6 | Q | S Stakhovsky | 6 | 6 | ||||||||||||||||||||
| 6 | E Korolev | 4 | 3 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 8 | H Zeballos | 711 | 6 | ||||||||||||||||||||||||
| Q | Y Schukin | 69 | 3 | 8 | H Zeballos | 6 | 6 | ||||||||||||||||||||
| Q | O Dolgopolov Jr. | 6 | 1 | Q | O Dolgopolov Jr. | 3 | 1 | ||||||||||||||||||||
 R Ginepri | 2 | 0r | 8 | H Zeballos | 710 | 6 | |||||||||||||||||||||
 E Gulbis | 6 | 77 | E Gulbis | 68 | 4 | ||||||||||||||||||||||
| F Mayer | 3 | 63 | E Gulbis | 79 | 6 | ||||||||||||||||||||||
| Q | P-A Luncanu | 2 | 2 | 4 | J Chardy | 67 | 3 | ||||||||||||||||||||
| 4 | J Chardy | 6 | 6 | 8 | H Zeballos | 79 | 6 | ||||||||||||||||||||
| 7 | P Cuevas | 4 | 3 | I Kunitsyn | 67 | 3 | |||||||||||||||||||||
| I Kunitsyn | 6 | 6 | I Kunitsyn | 6 | 6 | ||||||||||||||||||||||
| WC | M Elgin | 6 | 6 | WC | M Elgin | 2 | 3 | ||||||||||||||||||||
| SE | M Kukushkin | 3 | 3 | I Kunitsyn | 6 | 3 | 78 | ||||||||||||||||||||
| F Fognini | 4 | 1 | 2 | V Hănescu | 3 | 6 | 66 | ||||||||||||||||||||
| SE | I Marchenko | 6 | 6 | SE | I Marchenko | 3 | 4 | ||||||||||||||||||||
| T Gabashvili | 1 | 2 | 2 | V Hănescu | 6 | 6 | |||||||||||||||||||||
| 2 | V Hănescu | 6 | 6 | ||||||||||||||||||||||||
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Thomaz Bellucci won in the final 6–2, 0–6, 6–4 against Juan Mónaco.
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Juan Carlos Ferrero won in the final 6–1, 6–0 against Łukasz Kubot.
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Chela won in the final 5–7, 6–4, 6–3 against Sam Querrey.
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The 2012 Sony Ericsson Open was a tennis tournament played at Key Biscayne, Miami, Florida from March 19 to April 1, 2012. It was the 28th edition of the Sony Ericsson Open and was played on hard courts at the Tennis Center at Crandon Park. The event was part of the 2012 ATP World Tour and 2012 WTA Tour. Novak Djokovic was the defending champion, and successfully defended his title by defeating Andy Murray 6–1, 7–6(7–4) in the final. It was Djokovic's third Sony Ericsson Open title.
Facundo Bagnis is the defending champion but lost in the quarterfinals.
Alejandro Falla won the title, defeating Horacio Zeballos 6–4, 6–1 in the final.
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Gilles Simon was the defending champion, but lost in the second round to Tommy Haas.
Haas went to the final, but lost to Juan Mónaco 5–7, 4–6.
David Ferrer was the defending champion, but withdrew before the beginning of the tournament because of an ankle injury.
Carlos Berlocq won the title, defeating Fernando Verdasco in the final, 7–5, 6–1.
Guido Andreozzi was the defending champion, but lost to compatriot Martín Alund in the quarterfinals.
Top seed Horacio Zeballos won the title defeating Facundo Bagnis 6–7(4–7), 6–3, 6–3.
Simone Bolelli and Fabio Fognini were the defending champions, but they decided not to participate.
Marcel Granollers and Marc López won the title, defeating Pablo Cuevas and Horacio Zeballos in the final, 7–5, 6–4.
Tommy Robredo was the defending champion, but lost to Pablo Cuevas in the final, 3–6, 4–6.
Pablo Andújar was the defending champion, but lost to Thomaz Bellucci in the quarterfinals.
Julio Peralta and Horacio Zeballos were the defending champions, but lost in the first round to Max Mirnyi and Philipp Oswald.
This was the first edition of the tournament.
Juan Sebastián Cabal and Robert Farah were the two-time defending champions, but lost in the second round to Rohan Bopanna and Denis Shapovalov.
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