2009 LA Tennis Open – Singles
In-game article clicks load inline without leaving the challenge.
Juan Martín del Potro was the defending champion, but chose not to participate that year.
Seeds
The top four seeds receive a bye into the second round.
- Germany Tommy Haas (semifinals)
- United States Mardy Fish (quarterfinals, withdrew because of abdominal strain)
- Russia Dmitry Tursunov (second round, retired because of a left ankle injury)
- Israel Dudi Sela (quarterfinals)
- Russia Igor Kunitsyn (second round)
- United States Sam Querrey (champion)
- Germany Benjamin Becker (first round)
- Russia Marat Safin (quarterfinals)
Main draw
Key
- Q = Qualifier
- WC = Wild card
- LL = Lucky loser
- Alt = Alternate
- ITF = ITF entry
- PR = Protected ranking
- SR = Special ranking
- SE = Special exempt
- JE = Junior exempt
- JR = Junior Accelerator Programme entrant
- CO = College Accelerator Programme entrant
- NG = Next Gen Accelerator Program entrant
- w/o = Walkover
- r = Retired
- d = Defaulted
Finals
| Semifinals | Final | ||||||||||||
| 1 | Germany Tommy Haas | 3 | 5 | ||||||||||
| 6 | United States Sam Querrey | 6 | 7 | ||||||||||
| 6 | United States Sam Querrey | 6 | 3 | 6 | |||||||||
| Q | Australia Carsten Ball | 4 | 6 | 1 | |||||||||
| Q | Australia Carsten Ball | 7 | 77 | ||||||||||
| Argentina Leonardo Mayer | 5 | 63 |
Top half
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | Germany T Haas | 6 | 6 | ||||||||||||||||||||||||
| WC | United States J Levine | 6 | 6 | WC | United States J Levine | 1 | 3 | ||||||||||||||||||||
| United States B Reynolds | 2 | 3 | 1 | Germany T Haas | 77 | 6 | |||||||||||||||||||||
| Chinese Taipei Y-h Lu | 5 | 2 | 8 | Russia M Safin | 63 | 2 | |||||||||||||||||||||
| Latvia E Gulbis | 7 | 6 | Latvia E Gulbis | 6 | 3 | 4 | |||||||||||||||||||||
| SE | United States R Ginepri | 6 | 3 | 4 | 8 | Russia M Safin | 2 | 6 | 6 | ||||||||||||||||||
| 8 | Russia M Safin | 3 | 6 | 6 | 1 | Germany T Haas | 3 | 5 | |||||||||||||||||||
| 6 | United States S Querrey | 6 | 7 | ||||||||||||||||||||||||
| 4 | Israel D Sela | 6 | 3 | 6 | |||||||||||||||||||||||
| United States V Spadea | 0 | 0 | United States R Kendrick | 4 | 6 | 1 | |||||||||||||||||||||
| United States R Kendrick | 6 | 6 | 4 | Israel D Sela | 3 | 5 | |||||||||||||||||||||
| WC | United States T Dent | 4 | 6 | 3 | 6 | United States S Querrey | 6 | 7 | |||||||||||||||||||
| Q | United States R Sweeting | 6 | 2 | 6 | Q | United States R Sweeting | 3 | 77 | 3 | ||||||||||||||||||
| Uzbekistan D Istomin | 2 | 0 | 6 | United States S Querrey | 6 | 65 | 6 | ||||||||||||||||||||
| 6 | United States S Querrey | 6 | 6 |
Bottom half
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 7 | Germany B Becker | 68 | 63 | ||||||||||||||||||||||||
| United States J Isner | 710 | 77 | United States J Isner | 6 | 713 | ||||||||||||||||||||||
| SE | Canada F Dancevic | 63 | 3 | Cyprus M Baghdatis | 3 | 611 | |||||||||||||||||||||
| Cyprus M Baghdatis | 77 | 6 | United States J Isner | 4 | 4 | ||||||||||||||||||||||
| Q | Australia C Ball | 6 | 78 | Q | Australia C Ball | 6 | 6 | ||||||||||||||||||||
| France M Gicquel | 2 | 66 | Q | Australia C Ball | 6 | 0 | |||||||||||||||||||||
| 3 | Russia D Tursunov | 4 | 1r | ||||||||||||||||||||||||
| Q | Australia C Ball | 7 | 77 | ||||||||||||||||||||||||
| 5 | Russia I Kunitsyn | 7 | 6 | Argentina L Mayer | 5 | 63 | |||||||||||||||||||||
| Q | India S Devvarman | 5 | 2 | 5 | Russia I Kunitsyn | 65 | 79 | 3 | |||||||||||||||||||
| Argentina L Mayer | 6 | 6 | Argentina L Mayer | 77 | 67 | 6 | |||||||||||||||||||||
| Q | France J Ouanna | 2 | 3 | Argentina L Mayer | w/o | ||||||||||||||||||||||
| WC | Australia C Guccione | 6 | 6 | 2 | United States M Fish | ||||||||||||||||||||||
| United States K Kim | 1 | 4 | WC | Australia C Guccione | 77 | 612 | 4 | ||||||||||||||||||||
| 2 | United States M Fish | 63 | 714 | 6 |