# 2009 Natomas Men's Professional Tennis Tournament – Singles

Donald Young chose to not defend his 2008 title. Santiago Giraldo won this tournament. He won against Jesse Levine 7–6(4), 6–1 in the final.

## Seeds

* Robert Kendrick (quarterfinals)
* Wayne Odesnik (first round)
* Kevin Kim (second round)
* Jesse Levine (final)
* Roko Karanušić (first round)
* Santiago Giraldo (champion)
* Ryan Sweeting (first round)
* Grega Žemlja (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 |
| | Jesse Witten | 1 | 4 | | | | |
| 6 | Santiago Giraldo | 6 | 6 | | | | |
| 6 | Santiago Giraldo | 6 | 6 | 6 | Santiago Giraldo | 7 | 6 |
| | | | | 4 | Jesse Levine | 6$^4$ | 1 |
| 4 | Jesse Levine | 6 | 6 | 4 | Jesse Levine | 6$^4$ | 1 |
| WC | Ryan Harrison | 4 | 3 | | | | |

### 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | R Kendrick | 7 | 4 | 6 | | | | | | | | | | | | | | |
| Q | I van der Merwe | 6$^5$ | 6 | 1 | 1 | R Kendrick | 6$^7$ | 6 | 7 | | | | | | | | | |
| | M Felder | 3 | 2 | | | L Cook | 7 | 4 | 6$^6$ | | | | | | | | | |
| | L Cook | 6 | 6 | | | | | | | 1 | R Kendrick | 7 | 4 | 3 | | | | |
| | J Witten | 6 | 6 | | | | | | | | J Witten | 6$^4$ | 6 | 6 | | | | |
| LL | R Klaasen | 3 | 3 | | | J Witten | 7 | 7 | | | | | | | | | | |
| WC | J-M Gambill | 4 | 6 | 6 | WC | J-M Gambill | 6$^6$ | 5 | | | | | | | | | | |
| 7 | R Sweeting | 6 | 4 | 4 | | | | | | | | | | | | J Witten | 1 | 4 |
| 3 | K Kim | 6 | 6 | | | | | | | | | | | | 6 | S Giraldo | 6 | 6 |
| WC | Alexander Domijan | 4 | 2 | | 3 | K Kim | 2 | 6$^5$ | | | | | | | | | | |
| Q | TC Huey | 3 | 6 | 6 | Q | TC Huey | 6 | 7 | | | | | | | | | | |
| | T Widom | 6 | 0 | 3 | | | | | | Q | TC Huey | 1 | 7 | 4 | | | | |
| | V Spadea | 6 | 7 | | | | | | | 6 | S Giraldo | 6 | 6$^6$ | 6 | | | | |
| | A Kuznetsov | 3 | 6$^5$ | | | V Spadea | 1 | 6$^7$ | | | | | | | | | | |
| | I Bozoljac | 7 | 4 | 1 | 6 | S Giraldo | 6 | 7 | | | | | | | | | | |
| 6 | S Giraldo | 5 | 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 | Semifinals |
| 5 | R Karanušić | 6$^3$ | 2 | | | | | | | | | | | | | | | |
| | S Jenkins | 7 | 6 | | | S Jenkins | 6 | 5 | 6 | | | | | | | | | |
| Q | L Sorensen | 6 | 6 | | Q | L Sorensen | 3 | 7 | 3 | | | | | | | | | |
| | S González | 1 | 3 | | | | | | | | S Jenkins | 1 | 1 | | | | | |
| SE | A Begemann | 5 | 6 | 5 | | | | | | 4 | J Levine | 6 | 6 | | | | | |
| | S Stadler | 7 | 3 | 7 | | S Stadler | 2 | 4 | | | | | | | | | | |
| | P Amritraj | 6 | 3 | 5 | 4 | J Levine | 6 | 6 | | | | | | | | | | |
| 4 | J Levine | 1 | 6 | 7 | | | | | | | | | | | 4 | J Levine | 6 | 6 |
| 8 | G Žemlja | 4 | 6 | 5 | | | | | | | | | | | WC | R Harrison | 4 | 3 |
| WC | R Harrison | 6 | 1 | 7 | WC | R Harrison | 2 | 6 | 6 | | | | | | | | | |
| | G Lapentti | 2 | 3 | | | M Lammer | 6 | 3 | 3 | | | | | | | | | |
| | M Lammer | 6 | 6 | | | | | | | WC | R Harrison | 6 | 3 | 7 | | | | |
| | N Lindahl | 6 | 6 | | | | | | | | N Lindahl | 3 | 6 | 6$^5$ | | | | |
| Q | C Mamiit | 3 | 1 | | | N Lindahl | 6 | 6 | | | | | | | | | | |
| WC | D Evans | 6 | 6 | | WC | D Evans | 3 | 3 | | | | | | | | | | |
| 2 | W Odesnik | 2 | 4 | | | | | | | | | | | | | | | |