The 2009 LA Women's Tennis Championships was a women's tennis tournament played on outdoor hard courts. It was the 36th and last edition of the LA Women's Tennis Championships, and was part of the Premier Series of the 2009 WTA Tour. It was held at the Home Depot Center in Carson, California, near Los Angeles, United States, from August 3 through August 9, 2009. It was the second women's event on the 2009 US Open Series. Tenth-seeded Flavia Pennetta won the singles title.[1]
See main article: 2009 LA Women's Tennis Championships – Singles. 
Flavia Pennetta defeated 
Samantha Stosur 6–4, 6–3
See main article: 2009 LA Women's Tennis Championships – Doubles. Chuang Chia-jung / 
Yan Zi defeated 
Maria Kirilenko / 
Agnieszka Radwańska 6–0, 4–6, [10–7]
| Player | WTA Tour Rank* | Seeds | |
|---|---|---|---|
| 1 | 1 | ||
| 7 | 2 | ||
| 8 | 3 | ||
| 9 | 4 | ||
| 10 | 5 | ||
| 11 | 6 | ||
| 12 | 7 | ||
| 13 | 8 | ||
| 14 | 9 | ||
| 15 | 10 | ||
| 17 | 11 | ||
| 18 | 12 | ||
| 20 | 13 | ||
| 22 | 14 | ||
| 23 | 15 | ||
| 24 | 16 | ||
| 25 | 17 |
The following players received wildcards into the singles main draw
The following players received entry from the qualifying draw:
Jill Craybas Melanie Oudin Carly Gullickson
Olga Savchuk Anastasia Rodionova
Kimiko Date-KrummThe following player received the lucky loser spot: