The 2009 Indianapolis Tennis Championships (also known as the Indianapolis Tennis Championships presented by Lilly for sponsorship reasons) was a tennis tournament played on outdoor hard courts. It was the 22nd edition of the event known that year as the Indianapolis Tennis Championships and was part of the ATP World Tour 250 series of the 2009 ATP World Tour. It took place at the Indianapolis Tennis Center in Indianapolis, United States, from July 20 through July 26, 2009. The Indianapolis Tennis Championships was the first ATP stop of the 2009 US Open Series. Unseeded Robby Ginepri won the singles title, his second at the event after 2005.
See main article: 2009 Indianapolis Tennis Championships – Singles. 
Robby Ginepri defeated Sam Querrey, 6–2, 6–4
See main article: 2009 Indianapolis Tennis Championships – Doubles. Ernests Gulbis / 
Dmitry Tursunov defeated 
Ashley Fisher / Jordan Kerr, 6–4, 3–6, [11–9]
| Player | Nation | Ranking* | Seeding |
|---|---|---|---|
| Dmitry Tursunov | Russian Federation | 24 | 1 |
| Dudi Sela |  Israel | 30 | 2 |
| Sam Querrey | 34 | 3 | |
| Igor Kunitsyn | Russian Federation | 36 | 4 |
| Benjamin Becker | 44 | 5 | |
| Lu Yen-hsun | 57 | 6 | |
| Marc Gicquel |  France | 64 | 7 |
| Denis Istomin |  Uzbekistan | 68 | 8 |
The following players received wildcards into the singles main draw
The following players received entry from the qualifying draw:
