| Singles | |
|---|---|
| 2011 Open de Rennes | |
| Champion |  Julien Benneteau |
| Runner-up |  Olivier Rochus |
| Final score | 6–4, 6–3 |
Marc Gicquel was the defending champion but decided not to participate.
Julien Benneteau won the title, defeating Olivier Rochus in the final.
Gilles Müller (quarterfinals) Adrian Mannarino (second round) Julien Benneteau (champion) Olivier Rochus (final) Nicolas Mahut (quarterfinals) Steve Darcis (second round)
Alejandro Falla (first round)
Cedrik-Marcel Stebe (first round)| Semifinals | Final | ||||||||||||
| Édouard Roger-Vasselin | 2 | 2 | |||||||||||
| 4 | Olivier Rochus | 6 | 6 | ||||||||||
| 4 | Olivier Rochus | 4 | 3 | ||||||||||
| 3 | Julien Benneteau | 6 | 6 | ||||||||||
| 3 | Julien Benneteau | 6 | 6 | ||||||||||
 Roberto Bautista-Agut | 3 | 4 | |||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1/WC | G Müller | 7 | 63 | 6 | |||||||||||||||||||||||
 S Bubka | 5 | 77 | 4 | 1/WC | G Müller | 6 | 6 | ||||||||||||||||||||
| WC | G Burquier | 4 | 2 |  R Berankis | 4 | 2 | |||||||||||||||||||||
| R Berankis | 6 | 6 | 1/WC | G Müller | 5 | 2 | |||||||||||||||||||||
| É Roger-Vasselin | 6 | 6 | É Roger-Vasselin | 7 | 6 | ||||||||||||||||||||||
 F Delbonis | 2 | 2 | É Roger-Vasselin | 3 | 6 | 6 | |||||||||||||||||||||
| A Gensse | 4 | 3 | 6 | S Darcis | 6 | 1 | 3 | ||||||||||||||||||||
| 6 | S Darcis | 6 | 6 | É Roger-Vasselin | 2 | 2 | |||||||||||||||||||||
| 4 | O Rochus | 6 | 2 | 6 | 4 | O Rochus | 6 | 6 | |||||||||||||||||||
| WC | J Dasnières de Veigy | 2 | 6 | 2 | 4 | O Rochus | 6 | 6 | |||||||||||||||||||
| Q |  I Bozoljac | 6 | 6 | Q | I Bozoljac | 3 | 4 | ||||||||||||||||||||
 J Zopp | 1 | 3 | 4 | O Rochus | 6 | 6 | |||||||||||||||||||||
| Q |  I Minář | 712 | 5 | 62 | R Bemelmans | 2 | 3 | ||||||||||||||||||||
| R Bemelmans | 610 | 7 | 77 | R Bemelmans | 710 | 6 | |||||||||||||||||||||
| J Hájek | 6 | 3 | 6 | J Hájek | 68 | 1 | |||||||||||||||||||||
| 7 | A Falla | 3 | 6 | 1 | |||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 8 | C-M Stebe | 2 | 3 | ||||||||||||||||||||||||
| Q |  D Evans | 6 | 6 | Q | D Evans | 6 | 4 | 3 | |||||||||||||||||||
| D Brown | 5 | 2 |  M Jaziri | 1 | 6 | 6 | |||||||||||||||||||||
| M Jaziri | 7 | 6 | M Jaziri | 7 | 5 | 0r | |||||||||||||||||||||
| M Teixeira | 1 | 4 | 3 | J Benneteau | 5 | 7 | 3 | ||||||||||||||||||||
 L Lacko | 6 | 6 | L Lacko | 5 | 6 | 65 | |||||||||||||||||||||
| A Brugués-Davi | 3 | 0 | 3 | J Benneteau | 7 | 3 | 77 | ||||||||||||||||||||
| 3 | J Benneteau | 6 | 6 | 3 | J Benneteau | 6 | 6 | ||||||||||||||||||||
| 5 | N Mahut | 77 | 6 | R Bautista-Agut | 3 | 4 | |||||||||||||||||||||
| D Guez | 61 | 4 | 5 | N Mahut | 6 | 6 | |||||||||||||||||||||
| WC | A Clément | 6 | 6 | WC | A Clément | 3 | 3 | ||||||||||||||||||||
| Q |  N Mektić | 4 | 3 | 5 | N Mahut | 4 | 5 | ||||||||||||||||||||
| R Bautista-Agut | 4 | 6 | 79 | R Bautista-Agut | 6 | 7 | |||||||||||||||||||||
| A Beck | 6 | 3 | 67 | R Bautista-Agut | 4 | 7 | 6 | ||||||||||||||||||||
| K de Schepper | 62 | 6 | 65 | 2 | A Mannarino | 6 | 5 | 3 | |||||||||||||||||||
| 2 | A Mannarino | 77 | 4 | 77 | |||||||||||||||||||||||
Andre Agassi defeated Rainer Schüttler in the final, 6–2, 6–2, 6–1 to win the men's singles tennis title at the 2003 Australian Open. It was his fourth Australian Open title, and his eighth and last major title overall. With the win, Agassi claimed his 21st consecutive match win at the Australian Open, as he won the title in 2000 and 2001.
Michaël Llodra and Fabrice Santoro were the defending champions, but they lost in quarterfinals 6–7(2), 5–7, against Jonas Björkman and Max Mirnyi.
Dmitry Tursunov was the defending champion, but chose not to participate that year.
Wayne Ferreira was the defending champion but lost in the quarterfinals to Lleyton Hewitt.
Jo-Wilfried Tsonga was the defending champion, but he was defeated in the semifinals by countryman Julien Benneteau 7–6(13–11), 5–7, 7–6(7–3).
Richard Gasquet was the defending champion but chose to compete in Rome instead.
Marc Gicquel won the title, defeating Horacio Zeballos 6–2, 6–4 in the final.
Roger Federer and Olivier Rochus were the defending champions, but they did not compete in the Junior's this year.
Adrian Mannarino was the defending champion, but lost in the first round to Michał Przysiężny.
Andreas Seppi won the title, defeating Julien Benneteau 2–6, 6–3, 7–6(7–4) in the final.
Milos Raonic defended his title, defeating unseeded Denis Istomin in straight sets in the final.
Julien Benneteau was the defending champion but decided not to participate.
Kenny de Schepper won the title, defeating Illya Marchenko 7–6(7–4), 6–2 in the final.
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.
Juan Mónaco was the defending champion but withdrew before the event started.
Julien Benneteau and Nenad Zimonjić were the defending champions, but decided not to participate together. Benneteau played alongside Édouard Roger-Vasselin, but lost to Bob and Mike Bryan in the quarterfinals. Zimonjić teamed up with Daniel Nestor, but lost to the Bryan brothers in the semifinals. The Bryans became the new champions, defeating Ivan Dodig and Marcelo Melo 6–3, 3–6, [10–8] in the final.
Bob and Mike Bryan were the defending champions, but lost in the quarterfinals to Marcel Granollers and Marc López.
João Sousa was the defending champion, but lost to Benjamin Becker in the first round.
Kei Nishikori won the title, defeating Julien Benneteau in the final, 7–6(7–4), 6–4.
Ivan Dodig and Marcelo Melo were the defending champions, but lost in the quarterfinals to Rohan Bopanna and Florin Mergea.
Bob Bryan and Mike Bryan won the title, defeating Julien Benneteau and Édouard Roger-Vasselin in the final, 6–3, 7–6(7–3).
Wesley Whitehouse was the defending champion, but turned 18 years old during the season and, therefore, was ineligible to compete in Juniors.
Marin Čilić was the defending champion, but lost in the semifinals to Juan Martín del Potro.
Wesley Whitehouse defeated Daniel Elsner in the final, 6–3, 7–6(8–6) to win the Boys' Singles tennis title at the 1997 Wimbledon Championships.
Feliciano López was the defending champion, but lost in the quarterfinals to Nick Kyrgios.