# 2009 Chennai Open – Singles

Mikhail Youzhny was the defending champion, but chose not to participate that year.
Marin Čilić won in the final 6–4, 7–6$^{(7–3)}$, against Somdev Devvarman.

## Seeds

* Nikolay Davydenko (second round, withdrew due to a left heel injury)
* Stanislas Wawrinka (first round)
* Marin Čilić (champion)
* Ivo Karlović (quarterfinals)
* Rainer Schüttler (semifinals, withdrew due to a wrist injury)
* Carlos Moyá (second round)
* Janko Tipsarević (quarterfinals)
* Marcel Granollers (semifinals)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 8 | Marcel Granollers | 4 | 3 | | | | |
| 3 | Marin Čilić | 6 | 6 | | | | |
| 3 | Marin Čilić | 6 | 6 | 3 | Marin Čilić | 6 | 7$^7$ |
| | | | | WC | Somdev Devvarman | 4 | 6$^3$ |
| WC | Somdev Devvarman | w/o | | WC | Somdev Devvarman | 4 | 6$^3$ |
| 5 | Rainer Schüttler | | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | N Davydenko | 6 | 6 | | | | | | | | | | | | | | |
| | D Köllerer | 2 | 3 | | 1 | N Davydenko | | | | | | | | | | | |
| WC | L Dlouhý | 3 | 6 | 6 | WC | L Dlouhý | w/o | | | | | | | | | | |
| | G Soeda | 6 | 2 | 4 | | | | | WC | L Dlouhý | 5 | 6 | 4 | | | | |
| | R Karanušić | 1 | 0 | | | | | | 8 | M Granollers | 7 | 2 | 6 | | | | |
| | A Beck | 6 | 6 | | | A Beck | 4 | 1 | | | | | | | | | |
| | H-t Lee | 4 | 5 | | 8 | M Granollers | 6 | 6 | | | | | | | | | |
| 8 | M Granollers | 6 | 7 | | | | | | | | | | | 8 | M Granollers | 4 | 3 |
| 3 | M Čilić | 6 | 6 | | | | | | | | | | | 3 | M Čilić | 6 | 6 |
| | A Martín | 4 | 4 | | 3 | M Čilić | 6 | 6 | | | | | | | | | |
| | D Istomin | 6 | 7$^7$ | | | D Istomin | 0 | 4 | | | | | | | | | |
| Q | R Bopanna | 4 | 6$^3$ | | | | | | 3 | M Čilić | 6 | 0 | 6 | | | | |
| | R Ramírez Hidalgo | 6 | 6$^3$ | 1 | | | | | 7 | J Tipsarević | 4 | 6 | 4 | | | | |
| | D Sela | 4 | 7$^7$ | 6 | | D Sela | 6$^3$ | 4 | | | | | | | | | |
| | P Andújar | 3 | 2 | | 7 | J Tipsarević | 7$^7$ | 6 | | | | | | | | | |
| 7 | J Tipsarević | 6 | 6 | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals |
| 6 | C Moyá | 6 | 7$^7$ | | | | | | | | | | | | | |
| Q | D Udomchoke | 3 | 6$^4$ | | 6 | C Moyá | 6 | 5 | 4 | | | | | | | |
| WC | S Devvarman | 6 | 6 | | WC | S Devvarman | 4 | 7 | 6 | | | | | | | |
| | K Kim | 3 | 3 | | | | | | | WC | S Devvarman | 7$^7$ | 6 | | | |
| | W Odesnik | 3 | 0 | | | | | | | 4 | I Karlović | 6$^4$ | 4 | | | |
| | I Minář | 6 | 6 | | | I Minář | 1 | 4 | | | | | | | | |
| Q | R Ram | 4 | 3 | | 4 | I Karlović | 6 | 6 | | | | | | | | |
| 4 | I Karlović | 6 | 6 | | | | | | | | | | | WC | S Devvarman | w/o |
| 5 | R Schüttler | 6 | 4 | 6 | | | | | | | | | | 5 | R Schüttler | |
| WC | P Amritraj | 2 | 6 | 1 | 5 | R Schüttler | 6 | 6 | | | | | | | | |
| | D Gimeno-Traver | 3 | 4 | | | S Greul | 4 | 2 | | | | | | | | |
| | S Greul | 6 | 6 | | | | | | | 5 | R Schüttler | 6 | 7 | | | |
| | B Phau | 6 | 7 | | | | | | | | B Phau | 2 | 5 | | | |
| | S Ventura | 2 | 5 | | | B Phau | 6 | 6 | | | | | | | | |
| Q | F Cipolla | 6 | 6 | | Q | F Cipolla | 1 | 2 | | | | | | | | |
| 2 | S Wawrinka | 4 | 1 | | | | | | | | | | | | | |

## Qualifying
### Seeds

* Flavio Cipolla (qualified)
* Michael Berrer (qualifying competition)
* Danai Udomchoke (qualified)
* Rajeev Ram (qualified)
* Alexander Kudryavtsev (qualifying competition)
* Michel Koning (first round)
* Alexander Satschko (qualifying competition)
* Kyu Tae Im (qualifying competition)

### Qualifiers

* Flavio Cipolla
* Rohan Bopanna
* Danai Udomchoke
* Rajeev Ram

### Draw
#### First qualifier

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Flavio Cipolla | 6 | 6 | | | | | | | | | |
| | Navdeep Singh | 4 | 3 | | | | | | | | | |
| | Navdeep Singh | 4 | 3 | | 1 | Flavio Cipolla | 6 | 6 | | | | |
| | | | | | | Yūichi Sugita | 3 | 4 | | | | |
| | Pavol Červenák | 1 | 2 | | | Yūichi Sugita | 3 | 4 | | | | |
| | Yūichi Sugita | 6 | 6 | | | | | | | | | |
| | Yūichi Sugita | 6 | 6 | | | | | | 1 | Flavio Cipolla | 6 | 6 |
| | | | | | | | | | 7 | Alexander Satschko | 3 | 1 |
| | Rohan Gajjar | 6 | 2 | 7$^7$ | | | | | | | | | 7 | Alexander Satschko | 3 | 1 |
| WC | Abhijeet Tiwari | 0 | 6 | 6$^2$ | | | | | | | | |
| WC | Abhijeet Tiwari | 0 | 6 | 6$^2$ | | Rohan Gajjar | 2 | 4 | | | | |
| | | | | | 7 | Alexander Satschko | 6 | 6 | | | | |
| | Lovro Zovko | 2 | 5 | | 7 | Alexander Satschko | 6 | 6 | | | | |
| 7 | Alexander Satschko | 6 | 7 | | | | | | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Michael Berrer | 6 | 6 | | | | | | | | | | |
| | Rohan Gide | 1 | 2 | | | | | | | | | | |
| | Rohan Gide | 1 | 2 | | 2 | Michael Berrer | 6 | 6 | | | | | |
| | | | | | | Ranjeet Virali-Murugesan | 1 | 1 | | | | | |
| | Vikram Reddy B | 6$^3$ | 2 | | | Ranjeet Virali-Murugesan | 1 | 1 | | | | | |
| | Ranjeet Virali-Murugesan | 7$^7$ | 6 | | | | | | | | | | |
| | Ranjeet Virali-Murugesan | 7$^7$ | 6 | | | | | | 2 | Michael Berrer | 6 | 3 | 4 |
| | | | | | | | | | | Rohan Bopanna | 4 | 6 | 6 |
| WC | Sanam Singh | 4 | 6 | 6 | | | | | | | | | | Rohan Bopanna | 4 | 6 | 6 |
| | Yuki Bhambri | 6 | 4 | 1 | | | | | | | | | |
| | Yuki Bhambri | 6 | 4 | 1 | WC | Sanam Singh | 3 | 4 | | | | | |
| | | | | | | Rohan Bopanna | 6 | 6 | | | | | |
| | Rohan Bopanna | 6$^3$ | 7$^7$ | 7$^7$ | | Rohan Bopanna | 6 | 6 | | | | | |
| 6 | Michel Koning | 7$^7$ | 6$^1$ | 6$^4$ | | | | | | | | | |

#### Third qualifier

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Danai Udomchoke | 6 | 6 | | | | | | | | | |
| | Vijay Sundar Prashanth | 4 | 2 | | | | | | | | | |
| | Vijay Sundar Prashanth | 4 | 2 | 3 | Danai Udomchoke | 6 | 6 | | | | | |
| | | | | | Louk Sorensen | 4 | 4 | | | | | |
| | Vinod Sridhar | 0 | 4 | | Louk Sorensen | 4 | 4 | | | | | |
| | Louk Sorensen | 6 | 6 | | | | | | | | | |
| | Louk Sorensen | 6 | 6 | | | | | | 3 | Danai Udomchoke | 7$^7$ | 6 |
| | | | | | | | | | 8 | Im Kyu-tae | 6$^5$ | 1 |
| | Ronak Manuja | 2 | 2 | | | | | | | | | | 8 | Im Kyu-tae | 6$^5$ | 1 |
| WC | Sriram Balaji | 6 | 6 | | | | | | | | | |
| WC | Sriram Balaji | 6 | 6 | WC | Sriram Balaji | 0 | 7$^7$ | 2 | | | | |
| | | | | 8 | Im Kyu-tae | 6 | 6$^4$ | 6 | | | | |
| WC | Naveen Saai | 0 | 0 | 8 | Im Kyu-tae | 6 | 6$^4$ | 6 | | | | |
| 8 | Im Kyu-tae | 6 | 6 | | | | | | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Rajeev Ram | 6 | 6 | | | | | | | | | |
| | Tatsuma Ito | 4 | 2 | | | | | | | | | |
| | Tatsuma Ito | 4 | 2 | 4 | Rajeev Ram | 6 | 6 | | | | | |
| | | | | | Oliver Marach | 2 | 4 | | | | | |
| | Ashutosh Singh | 3 | 3 | | Oliver Marach | 2 | 4 | | | | | |
| | Oliver Marach | 6 | 6 | | | | | | | | | |
| | Oliver Marach | 6 | 6 | | | | | 4 | Rajeev Ram | 6 | 6$^4$ | 6 |
| | | | | | | | | 5 | Alexander Kudryavtsev | 4 | 7$^7$ | 3 |
| | Purav Raja | 6 | 2$^r$ | | | | | | | | | | 5 | Alexander Kudryavtsev | 4 | 7$^7$ | 3 |
| | Vignesh Peranamallur | 3 | 4 | | | | | | | | | |
| | Vignesh Peranamallur | 3 | 4 | | Vignesh Peranamallur | 1 | 6$^5$ | | | | | |
| | | | | 5 | Alexander Kudryavtsev | 6 | 7$^7$ | | | | | |
| | Sunil-Kumar Sipaeya | 4 | 5 | 5 | Alexander Kudryavtsev | 6 | 7$^7$ | | | | | |
| 5 | Alexander Kudryavtsev | 6 | 7 | | | | | | | | | |