# 2009 Indianapolis Tennis Championships – Singles

Gilles Simon was the defending champion, but chose not to participate that year.
Robby Ginepri won in the final, 6–2, 6–4, against Sam Querrey.

## Seeds

* Dmitry Tursunov (quarterfinals)
* Dudi Sela (second round)
* Sam Querrey (final)
* Igor Kunitsyn (second round)
* Benjamin Becker (second round)
* Lu Yen-hsun (first round)
* Marc Gicquel (quarterfinals)
* Denis Istomin (second round)

## 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 |
| | Frank Dancevic | 4 | 4 | | | | |
| 3 | Sam Querrey | 6 | 6 | | | | |
| 3 | Sam Querrey | 6 | 6 | 3 | Sam Querrey | 2 | 4 |
| | | | | | Robby Ginepri | 6 | 6 |
| | John Isner | 4 | 3 | | Robby Ginepri | 6 | 6 |
| | Robby Ginepri | 6 | 6 | | | | |

### 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 | D Tursunov | 6 | 2 | 6 | | | | | | | | | | | | | |
| | M Berrer | 3 | 6 | 0 | 1 | D Tursunov | 6 | 6 | | | | | | | | | |
| WC | T Dent | 2 | 4 | | | M Daniel | 3 | 3 | | | | | | | | | |
| | M Daniel | 6 | 6 | | | | | | 1 | D Tursunov | 6 | 6$^5$ | 2 | | | | |
| | F Dancevic | 6 | 7$^7$ | | | | | | | F Dancevic | 3 | 7$^7$ | 6 | | | | |
| | B Reynolds | 2 | 6$^5$ | | | F Dancevic | 6 | 7 | | | | | | | | | |
| Q | G Soeda | 2 | 3 | | 5 | B Becker | 2 | 5 | | | | | | | | | |
| 5 | B Becker | 6 | 6 | | | | | | | | | | | | F Dancevic | 4 | 4 |
| 3 | S Querrey | 6 | 6 | | | | | | | | | | | 3 | S Querrey | 6 | 6 |
| | A Clément | 3 | 4 | | 3 | S Querrey | 7 | 6 | | | | | | | | | |
| WC | R Ram | 6 | 7 | | WC | R Ram | 5 | 3 | | | | | | | | | |
| WC | D Britton | 3 | 5 | | | | | | 3 | S Querrey | 6 | 7 | | | | | |
| | D Udomchoke | 1 | 6$^{10}$ | | | | | | 7 | M Gicquel | 4 | 5 | | | | | |
| Q | J Levine | 6 | 7$^{12}$ | | Q | J Levine | 2 | 2 | | | | | | | | | |
| | E Gulbis | 2 | 3 | | 7 | M Gicquel | 6 | 6 | | | | | | | | | |
| 7 | M Gicquel | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals |
| 8 | D Istomin | 2 | 6 | 6 | | | | | | | | | | | | | |
| | K Kim | 6 | 4 | 4 | 8 | D Istomin | 4 | 4 | | | | | | | | | |
| | J Isner | 6 | 7$^8$ | | | J Isner | 6 | 6 | | | | | | | | | |
| | J Ouanna | 1 | 6$^6$ | | | | | | | | J Isner | 7 | 6$^2$ | 7 | | | |
| | W Odesnik | 7$^7$ | 1 | 6 | | | | | | | W Odesnik | 5 | 7 | 5 | | | |
| | M Baghdatis | 6$^5$ | 6 | 4 | | W Odesnik | 2 | 6 | 6 | | | | | | | | |
| | B Dabul | 4 | 1 | | 4 | I Kunitsyn | 6 | 1 | 1 | | | | | | | | |
| 4 | I Kunitsyn | 6 | 6 | | | | | | | | | | | | J Isner | 4 | 3 |
| 6 | Y-h Lu | 6 | 3 | 2 | | | | | | | | | | | R Ginepri | 6 | 6 |
| | E Schwank | 4 | 6 | 6 | | E Schwank | 7$^7$ | 3 | 0 | | | | | | | | |
| Q | S de Chaunac | 5 | 7 | 2 | | R Ginepri | 6$^1$ | 6 | 6 | | | | | | | | |
| | R Ginepri | 7 | 5 | 6 | | | | | | | R Ginepri | 7 | 6 | | | | |
| Q | A Bogomolov Jr. | 6 | 6 | | | | | | | Q | A Bogomolov Jr. | 5 | 1 | | | | |
| | F Cipolla | 2 | 3 | | Q | A Bogomolov Jr. | 6 | 7$^7$ | | | | | | | | | |
| | V Spadea | 5 | 1 | | 2 | D Sela | 4 | 6$^5$ | | | | | | | | | |
| 2 | D Sela | 7 | 6 | | | | | | | | | | | | | | |