# 2006 Acura Classic – Singles

Maria Sharapova defeated Kim Clijsters in the final, 7–5, 7–5 to win the singles tennis title at the 2006 Southern California Open.
Mary Pierce was the defending champion, but lost in the quarterfinals to Sharapova.

## Seeds

The top eight seeds received a bye into the second round.
* Kim Clijsters (final)
* Maria Sharapova (champion)
* Nadia Petrova (second round)
* Elena Dementieva (quarterfinals)
* Patty Schnyder (semifinals)
* Mary Pierce (quarterfinals)
* Nicole Vaidišová (semifinals)
* Martina Hingis (quarterfinals)
* Dinara Safina (first round)
* Anna-Lena Grönefeld (first round)
* Daniela Hantuchová (third round)
* Flavia Pennetta (third round)
* Ai Sugiyama (first round)
* Ana Ivanovic (third round)
* Katarina Srebotnik (second round)
* Maria Kirilenko (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

### Finals

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | Kim Clijsters | 7 | 6 | | | | | | | | | |
| 8 | Martina Hingis | 5 | 2 | | | | | | | | | |
| 8 | Martina Hingis | 5 | 2 | | 1 | Kim Clijsters | 6 | 7$^7$ | | | | |
| | | | | | 7 | Nicole Vaidišová | 2 | 6$^0$ | | | | |
| | Anna Chakvetadze | 6 | 4 | 3 | 7 | Nicole Vaidišová | 2 | 6$^0$ | | | | |
| 7 | Nicole Vaidišová | 3 | 6 | 6 | | | | | | | | |
| 7 | Nicole Vaidišová | 3 | 6 | 6 | | | | | 1 | Kim Clijsters | 5 | 5 |
| | | | | | | | | | 2 | Maria Sharapova | 7 | 7 |
| 5 | Patty Schnyder | 6 | 6 | | | | | | | | | | 2 | Maria Sharapova | 7 | 7 |
| 4 | Elena Dementieva | 4 | 3 | | | | | | | | | |
| 4 | Elena Dementieva | 4 | 3 | | 5 | Patty Schnyder | 5 | 4 | | | | |
| | | | | | 2 | Maria Sharapova | 7 | 6 | | | | |
| 6 | Mary Pierce | 2 | 3 | | 2 | Maria Sharapova | 7 | 6 | | | | |
| 2 | Maria Sharapova | 6 | 6 | | | | | | | | | |

### Top half
#### Section 1

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 1 | K Clijsters | 6 | 6 | | | | | | | | | |
| | N Dechy | 5 | 4 | | | S Stosur | 1 | 2 | | | | | | | | | |
| | S Stosur | 7 | 6 | | | | | | 1 | K Clijsters | 6 | 3 | 6 | | | | |
| LL | I Lisjak | 2 | 6$^2$ | | | | | | | J Janković | 4 | 6 | 3 | | | | |
| | A Bondarenko | 6 | 7$^7$ | | | A Bondarenko | 1 | 6$^4$ | | | | | | | | | |
| | J Janković | 6 | 6 | | | J Janković | 6 | 7$^7$ | | | | | | | | | |
| 16 | M Kirilenko | 1 | 4 | | | | | | | | | | | 1 | K Clijsters | 7 | 6 |
| 12 | F Pennetta | 7 | 6 | | | | | | | | | | | 8 | M Hingis | 5 | 2 |
| WC | L Raymond | 5 | 3 | | 12 | F Pennetta | 6 | 7$^7$ | | | | | | | | | |
| | J Jackson | 4 | 6 | 6 | | J Jackson | 2 | 6$^1$ | | | | | | | | | |
| | M Díaz Oliva | 6 | 2 | 4 | | | | | 12 | F Pennetta | 2 | 6 | 1 | | | | |
| | L Granville | 4 | 6 | 2 | | | | | 8 | M Hingis | 6 | 3 | 6 | | | | |
| Q | M Tu | 6 | 1 | 6 | Q | M Tu | 2 | 3 | | | | | | | | | |
| | | | | | 8 | M Hingis | 6 | 6 | | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 3 | N Petrova | 3 | 7$^7$ | 2 | | | | | | | | | | |
| | A Chakvetadze | 6 | 6 | | | A Chakvetadze | 6 | 6$^5$ | 6 | | | | | | | | | | |
| | J Kostanić | 4 | 3 | | | | | | | | A Chakvetadze | 4 | 6 | 6 | | | | | |
| | T Golovin | 3 | 6$^7$ | | | | | | | 14 | A Ivanovic | 6 | 4 | 1 | | | | | |
| Q | A Frazier | 6 | 7$^9$ | | Q | A Frazier | 3 | 2 | | | | | | | | | | | |
| | A Morigami | 2 | 1 | | 14 | A Ivanovic | 6 | 6 | | | | | | | | | | | |
| 14 | A Ivanovic | 6 | 6 | | | | | | | | | | | | | A Chakvetadze | 6 | 4 | 3 |
| 11 | D Hantuchová | 6 | 4 | | | | | | | | | | | | 7 | N Vaidišová | 3 | 6 | 6 |
| | K Peschke | 1 | 0 | r | 11 | D Hantuchová | 6 | 6 | | | | | | | | | | | |
| Q | O Savchuk | 2 | | | Q | O Savchuk | 2 | 4 | | | | | | | | | | | |
| Q | H Šromová | 2 | r | | | | | | | 11 | D Hantuchová | 4 | 2 | | | | | | |
| | E Likhovtseva | 4 | 3 | | | | | | | 7 | N Vaidišová | 6 | 6 | | | | | | |
| Q | V Ruano Pascual | 6 | 6 | | Q | V Ruano Pascual | 1 | 0 | | | | | | | | | | | |
| | | | | | 7 | N Vaidišová | 6 | 6 | | | | | | | | | | | |

### Bottom half
#### Section 3

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 5 | P Schnyder | 6 | 6 | | | | | | | | | |
| | G Dulko | 2 | 6 | 6 | | G Dulko | 4 | 1 | | | | | | | | | |
| | S Pe'er | 6 | 3 | 3 | | | | | 5 | P Schnyder | 6 | 3 | 6 | | | | |
| Q | K Bondarenko | 6 | 6 | | | | | | | P Suárez | 3 | 6 | 1 | | | | |
| WC | C Vandeweghe | 4 | 2 | | Q | K Bondarenko | 6$^4$ | 2 | | | | | | | | | |
| | P Suárez | 3 | 6 | 6 | | P Suárez | 7$^7$ | 6 | | | | | | | | | |
| 9 | D Safina | 6 | 3 | 4 | | | | | | | | | | 5 | P Schnyder | 6 | 6 |
| 15 | K Srebotnik | 6 | 6 | | | | | | | | | | | 4 | E Dementieva | 4 | 3 |
| | M Bartoli | 3 | 0 | | 15 | K Srebotnik | 3 | 6$^4$ | | | | | | | | | |
| WC | S Mirza | 6 | 6 | | WC | S Mirza | 6 | 7$^7$ | | | | | | | | | |
| | M Shaughnessy | 3 | 1 | | | | | | WC | S Mirza | 2 | 6 | 3 | | | | |
| | J Craybas | 2 | 3 | | | | | | 4 | E Dementieva | 6 | 3 | 6 | | | | |
| WC | A Harkleroad | 6 | 6 | | WC | A Harkleroad | 2 | 2 | | | | | | | | | |
| | | | | | 4 | E Dementieva | 6 | 6 | | | | | | | | | |

#### Section 4

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 6 | M Pierce | 6 | 6$^7$ | 7$^7$ | | | | | | | | |
| | S Bammer | 6 | 6$^6$ | 6 | | S Bammer | 1 | 7$^9$ | 6$^4$ | | | | | | | | |
| | L Šafářová | 4 | 7$^8$ | 1 | | | | | | 6 | M Pierce | 6 | 6 | | | | |
| Q | V King | 4 | 2 | | | | | | | | E Laine | 2 | 1 | | | | |
| | E Laine | 6 | 6 | | | E Laine | 6$^1$ | 7$^7$ | 6 | | | | | | | | |
| | E Vesnina | 3 | 6 | 6 | | E Vesnina | 7$^7$ | 6$^5$ | 4 | | | | | | | | |
| 10 | A-L Grönefeld | 6 | 3 | 3 | | | | | | | | | | 6 | M Pierce | 2 | 3 |
| 13 | A Sugiyama | 1 | 5 | | | | | | | | | | | 2 | M Sharapova | 6 | 6 |
| | V Zvonareva | 6 | 7 | | | V Zvonareva | 3 | 7$^7$ | 0 | | | | | | | | |
| | S Peng | 6 | 6 | | | S Peng | 6 | 6$^5$ | 0$^r$ | | | | | | | | |
| | M Santangelo | 1 | 4 | | | | | | | | V Zvonareva | 4 | 4 | | | | |
| Q | V Bardina | 6 | 6 | | | | | | | 2 | M Sharapova | 6 | 6 | | | | |
| LL | M Yuan | 2 | 4 | | Q | V Bardina | 4 | 1 | | | | | | | | | |
| | | | | | 2 | M Sharapova | 6 | 6 | | | | | | | | | |