# 2009 Comerica Bank Challenger – Singles

Kevin Kim was the defending champion; however, he was eliminated by Takao Suzuki already in the first round. Chris Guccione defeated Nick Lindahl in the final 6–3, 6–4.

## Seeds

* Kevin Kim (first round)
* Flavio Cipolla (first round)
* Wayne Odesnik (quarterfinals)
* Danai Udomchoke (first round)
* Arnaud Clément (first round)
* Somdev Devvarman (semifinals)
* Chris Guccione (champion)
* Donald Young (first 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

### Final four

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| Q | Nick Lindahl | 6 | 6 | | | | |
| | Michael Yani | 3 | 2 | | | | |
| | Michael Yani | 3 | 2 | Q | Nick Lindahl | 3 | 4 |
| | | | | 7 | Chris Guccione | 6 | 6 |
| 7 | Chris Guccione | 6 | 6 | 7 | Chris Guccione | 6 | 6 |
| 6 | Somdev Devvarman | 2 | 1 | | | | |

### Top 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 | Semifinals |
| 1 | K Kim | 5 | 3 | | | | | | | | | | | | | | |
| | T Suzuki | 7 | 6 | | Q | T Suzuki | 6$^1$ | 1 | | | | | | | | | |
| WC | P Simmonds | 6$^{10}$ | 5 | | | KT Im | 7 | 6 | | | | | | | | | |
| | KT Im | 7 | 7 | | | | | | | | KT Im | 3 | 3 | | | | |
| Q | N Lindahl | 6$^4$ | 6 | 7 | | | | | | Q | N Lindahl | 6 | 6 | | | | |
| | R Sweeting | 7 | 4 | 6$^7$ | Q | N Lindahl | 6 | 7 | | | | | | | | | |
| | A Stoppini | 6 | 6 | | | A Stoppini | 4 | 5 | | | | | | | | | |
| 8 | D Young | 4 | 4 | | | | | | | | | | | Q | N Lindahl | 6 | 6 |
| 4 | D Udomchoke | 4 | 6 | 3 | | | | | | | | | | | M Yani | 3 | 2 |
| | M Yani | 6 | 3 | 6 | | M Yani | 6 | 6$^1$ | 7 | | | | | | | | |
| | R DeHeart | 3 | 6 | 6 | | R DeHeart | 3 | 7 | 6$^2$ | | | | | | | | |
| | C Ball | 6 | 1 | 4 | | | | | | | M Yani | 6 | 6 | | | | |
| | M Matosevic | 6 | 6 | | | | | | | | M Matosevic | 4 | 4 | | | | |
| WC | B Weston | 4 | 4 | | | M Matosevic | 7 | 6 | | | | | | | | | |
| | A Bogomolov Jr. | 6 | 3 | 7 | | A Bogomolov Jr. | 5 | 2 | | | | | | | | | |
| 5 | A Clément | 4 | 6 | 6$^{10}$ | | | | | | | | | | | | | |

### 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 | Semifinals |
| 7 | C Guccione | 6 | 7 | | | | | | | | | | | | | | | |
| | G Soeda | 4 | 6$^5$ | | 7 | C Guccione | 6 | 6 | | | | | | | | | | |
| | S Groth | 7 | 3 | 6$^2$ | Q | Y Sugita | 2 | 3 | | | | | | | | | | |
| Q | Y Sugita | 5 | 6 | 7 | | | | | | 7 | C Guccione | 7 | 2 | 7 | | | | |
| | X Malisse | 6 | 6 | | | | | | | 3 | W Odesnik | 6$^5$ | 6 | 6$^2$ | | | | |
| | T Widom | 3 | 2 | | | X Malisse | 4 | 6 | 5 | | | | | | | | | |
| Q | T Kamke | 6 | 2 | 5 | 3 | W Odesnik | 6 | 3 | 7 | | | | | | | | | |
| 3 | W Odesnik | 1 | 6 | 7 | | | | | | | | | | | 7 | C Guccione | 6 | 6 |
| 6 | S Devvarman | 7 | 6 | | | | | | | | | | | | 6 | S Devvarman | 2 | 1 |
| WC | L Cook | 6$^7$ | 2 | | 6 | S Devvarman | 6 | 6 | | | | | | | | | | |
| | S Jenkins | 4 | 6 | 6$^1$ | WC | A Kuznetsov | 1 | 3 | | | | | | | | | | |
| WC | A Kuznetsov | 6 | 1 | 7 | | | | | | 6 | S Devvarman | 6 | 6 | | | | | |
| | R de Voest | 6$^6$ | 3 | r | | | | | | | I van der Merwe | 4 | 2 | | | | | |
| | I van der Merwe | 7 | 4 | | | I van der Merwe | 6 | 6 | | | | | | | | | | |
| | S Stadler | 7 | 7 | | | S Stadler | 3 | 4 | | | | | | | | | | |
| 2 | F Cipolla | 6$^3$ | 5 | | | | | | | | | | | | | | | |