| Singles | |
|---|---|
| 2017 Open Harmonie mutuelle | |
| Champion |  Egor Gerasimov |
| Runner-up |  Tobias Kamke |
| Final score | 7–6(7–3), 7–6(7–5) |
Alexandre Sidorenko was the defending champion but chose not to defend his title.
Egor Gerasimov won the title after defeating Tobias Kamke 7–6(7–3), 7–6(7–5) in the final.
Gerald Melzer (first round)
Sergiy Stakhovsky (quarterfinals)
Norbert Gombos (first round) Lukáš Lacko (quarterfinals)
Quentin Halys (first round) Kenny de Schepper (second round)
Rubén Ramírez Hidalgo (second round) Tobias Kamke (final)| Semifinals | Final | ||||||||||||
| Q | Egor Gerasimov | 4 | 6 | 6 | |||||||||
| WC | Corentin Moutet | 6 | 4 | 3 | |||||||||
| Q | Egor Gerasimov | 77 | 77 | ||||||||||
| 8 | Tobias Kamke | 63 | 65 | ||||||||||
| Gleb Sakharov | 64 | 6 | 0 | ||||||||||
| 8 | Tobias Kamke | 77 | 4 | 6 | |||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | G Melzer | 4 | 5 | ||||||||||||||||||||||||
| Q | E Gerasimov | 6 | 7 | Q | E Gerasimov | 63 | 6 | 6 | |||||||||||||||||||
| PR |  S Bolelli | 6 | 6 | PR | S Bolelli | 77 | 4 | 3 | |||||||||||||||||||
| D Brands | 4 | 3 | Q | E Gerasimov | 7 | 78 | |||||||||||||||||||||
 M Chiudinelli | 6 | 3 | 77 | M Chiudinelli | 5 | 66 | |||||||||||||||||||||
| Q | H Nys | 1 | 6 | 65 | M Chiudinelli | 6 | 6 | ||||||||||||||||||||
| Alt | L Lokoli | 1 | 6 | 3 | 7 | R Ramírez Hidalgo | 0 | 1 | |||||||||||||||||||
| 7 | R Ramírez Hidalgo | 6 | 4 | 6 | Q | E Gerasimov | 4 | 6 | 6 | ||||||||||||||||||
| 3 | N Gombos | 61 | 3 | WC | C Moutet | 6 | 4 | 3 | |||||||||||||||||||
| WC | C Moutet | 77 | 6 | WC | C Moutet | 6 | 6 | ||||||||||||||||||||
| Q | D Guez | 3 | 6 | 4 | WC | R Boutillier | 4 | 4 | |||||||||||||||||||
| WC | R Boutillier | 6 | 3 | 6 | WC | C Moutet | 2 | 79 | 77 | ||||||||||||||||||
| Jeremy Jahn | 6 | 6 |  J McGee | 6 | 67 | 65 | |||||||||||||||||||||
 A Kudryavtsev | 3 | 4 | J Jahn | 62 | 77 | 3 | |||||||||||||||||||||
| J McGee | 6 | 6 | J McGee | 77 | 63 | 6 | |||||||||||||||||||||
| 5 | Q Halys | 4 | 4 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | K de Schepper | 6 | 6 | ||||||||||||||||||||||||
| WC | E Furness | 2 | 2 | 6 | K de Schepper | 4 | 64 | ||||||||||||||||||||
| Marc Sieber | 2 | 3 | G Sakharov | 6 | 77 | ||||||||||||||||||||||
| G Sakharov | 6 | 6 | G Sakharov | 6 | 77 | ||||||||||||||||||||||
| M Janvier | 6 | 4 | 6 | 4 | L Lacko | 2 | 63 | ||||||||||||||||||||
 A Šetkić | 3 | 6 | 4 | M Janvier | 0 | 5 | |||||||||||||||||||||
 F Škugor | 2 | 3 | 4 | L Lacko | 6 | 7 | |||||||||||||||||||||
| 4 | L Lacko | 6 | 6 | G Sakharov | 64 | 6 | 0 | ||||||||||||||||||||
| 8 | T Kamke | 6 | 6 | 8 | T Kamke | 77 | 4 | 6 | |||||||||||||||||||
 Petr Michnev | 1 | 0 | 8 | T Kamke | 6 | 77 | |||||||||||||||||||||
 E Corrie | 64 | 1 | Q | O Otte | 2 | 65 | |||||||||||||||||||||
| Q | O Otte | 77 | 6 | 8 | T Kamke | 7 | 6 | ||||||||||||||||||||
 M Authom | 4 | 5 | 2 | S Stakhovsky | 5 | 3 | |||||||||||||||||||||
| Yannik Reuter | 6 | 7 | Y Reuter | 1 | 1 | ||||||||||||||||||||||
| WC | E Couacaud | 4 | 4 | 2 | S Stakhovsky | 6 | 6 | ||||||||||||||||||||
| 2 | S Stakhovsky | 6 | 6 | ||||||||||||||||||||||||
Marcos Baghdatis was the defending champion, but chose to compete in ATP 500 in Washington instead.
Dudi Sela won the title, defeating Ričardas Berankis 7–5, 6–2 in the finals.
Matthias Bachinger was the defending champion but decided not to participate.
In the singles event of the 2012 Heineken Open men's tennis tournament, David Ferrer was the defending champion and confirmed his title beating unseeded player Olivier Rochus in the final, 6–3, 6–4, for his 3rd win in Auckland.
Roger Federer defeated John Isner in the final, 7–6(9–7), 6–3 to win the men's singles title at the 2012 Indian Wells Masters. It was his record fourth Indian Wells title.
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.
Lukáš Rosol was the defending champion but lost in the quarterfinals.
Horacio Zeballos won the title 1–6, 6–4, 7–6(8–6) in the final against Martin Kližan.
Lukáš Rosol was the defending champion but decided not to participate.
Thomaz Bellucci defeated Tobias Kamke 7–6(7–4), 6–3 in the final to win the tournament.
Tobias Kamke was the defending champion but was defeated by Evgeny Donskoy in the semifinals.
Donskoy won the title by defeating Jan-Lennard Struff 6–2, 4–6, 6–1 in the final.
Roger Federer was the defending champion, but lost in the quarterfinals to Julien Benneteau.
Juan Martín del Potro won the title, defeating Benneteau in the final 7–6(7–2), 6–3.
Rafael Nadal won the title, defeating Stanislas Wawrinka in the final, 6–2, 6–4.
Tobias Kamke was the defending champion and successfully defended his title, defeating Paul-Henri Mathieu in the final, 1–6, 6–3, 7–5.
Juan Martín del Potro was the defending champion and successfully defended his title, defeating Roger Federer in the final, 7–6(7–3), 2–6, 6–4.
João Sousa was the defending champion but chose not to compete.
Jarkko Nieminen was the defending champion, but he lost in the first round to Jürgen Zopp, who won the title, defeating Dudi Sela in the final, 6–4, 5–7, 7–6(8–6).
Grigor Dimitrov was the defending champion, but chose not to participate this year.
Guillermo García-López won the title, defeating Jiří Veselý in the final, 7–6(7–5), 7–6(13–11).
Andy Murray was the defending champion, but chose not to participate this year.
John Isner was the three-time defending champion, but lost in the final to Nick Kyrgios, 6–7(3–7), 6–7(4–7). Kyrgios was the first non-American winner in the tournament's history.
Tomáš Berdych was the two-time defending champion, but chose not to participate this year.
Diego Schwartzman was the defending champion, but lost in the semifinals to Marin Čilić.
Arthur De Greef was the defending champion but chose not to defend his title.