# 2003 State Farm Women's Tennis Classic – Singles

Serena Williams was the defending champion, but was forced to withdraw due to a left knee tendonitis.
Ai Sugiyama won the title by defeating Kim Clijsters 3–6, 7–5, 6–4 in the final.

## Seeds

The first four seeds received a bye into the second round.
* Serena Williams (withdrew due to a left knee tendonitis)
* Kim Clijsters (final)
* Lindsay Davenport (second round)
* Jelena Dokic (second round)
* Chanda Rubin (second round)
* Eleni Daniilidou (quarterfinals)
* Elena Bovina (first round)
* Nathalie Dechy (quarterfinals)

## 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

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Finals | Finals | Finals | Finals | Finals |
| | Alexandra Stevenson | 7$^7$ | 2 | 6$^7$ | | | | | |
| | Ai Sugiyama | 6$^2$ | 6 | 7$^9$ | | | | | |
| | Ai Sugiyama | 6$^2$ | 6 | 7$^9$ | | Ai Sugiyama | 3 | 7 | 6 |
| | | | | | 2 | Kim Clijsters | 6 | 5 | 4 |
| | Meghann Shaughnessy | 3 | 5 | | 2 | Kim Clijsters | 6 | 5 | 4 |
| 2 | Kim Clijsters | 6 | 7 | | | | | | |

### 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 |
| | | | | | LL | S Foretz | 3 | 0 | | | | | | | | | |
| Q | M Irvin | 5 | 1 | | | A Stevenson | 6 | 6 | | | | | | | | | |
| | A Stevenson | 7 | 6 | | | | | | | | A Stevenson | 6 | 6 | | | | |
| Q | V Razzano | 6 | 7$^9$ | | | | | | | 8 | N Dechy | 3 | 4 | | | | |
| | L Raymond | 2 | 6$^7$ | | Q | V Razzano | 4 | r | | | | | | | | | |
| WC | M Lučić | 6 | 1 | 0 | 8 | N Dechy | 6 | | | | | | | | | | |
| 8 | N Dechy | 3 | 6 | 6 | | | | | | | | | | A Stevenson | 7$^7$ | 2 | 6$^7$ |
| | | | | | | | | | | | | | | A Sugiyama | 6$^2$ | 6 | 7$^9$ |
| | | | | | 3 | L Davenport | 6$^5$ | 6 | 3 | | | | | | | | |
| Q | E Kulikovskaya | 3 | 1 | | | A Sugiyama | 7$^7$ | 4 | 6 | | | | | | | | |
| | A Sugiyama | 6 | 6 | | | | | | | | A Sugiyama | 7 | 7 | | | | |
| Q | An Serra Zanetti | 2 | 4 | | | | | | | 6 | E Daniilidou | 5 | 5 | | | | |
| | Y-j Cho | 6 | 6 | | | Y-j Cho | 3 | 3 | | | | | | | | | |
| | V Zvonareva | 2 | 3 | | 6 | E Daniilidou | 6 | 6 | | | | | | | | | |
| 6 | E Daniilidou | 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | E Bovina | 1 | 4 | | | | | | | | | | | | | | |
| | F Schiavone | 6 | 6 | | | F Schiavone | 1 | 7 | 6 | | | | | | | | |
| | S Farina Elia | 7 | 3 | 6 | | S Farina Elia | 6 | 5 | 3 | | | | | | | | |
| | J Husárová | 5 | 6 | 4 | | | | | | | F Schiavone | 2 | 1 | | | | |
| | M Shaughnessy | 6 | 6 | | | | | | | | M Shaughnessy | 6 | 6 | | | | |
| | D Bedáňová | 2 | 3 | | | M Shaughnessy | 6 | 6 | | | | | | | | | |
| | | | | | 4 | J Dokic | 4 | 2 | | | | | | | | | |
| | | | | | | | | | | | | | | | M Shaughnessy | 3 | 5 |
| 5 | C Rubin | 6 | 6 | | | | | | | | | | | 2 | K Clijsters | 6 | 7 |
| | J Craybas | 3 | 1 | | 5 | C Rubin | 6 | 2 | 1 | | | | | | | | |
| | B Schett | 6$^6$ | 1 | | | L Granville | 4 | 6 | 6 | | | | | | | | |
| | L Granville | 7$^8$ | 6 | | | | | | | | L Granville | 3 | 3 | | | | |
| | C Black | 6 | 7$^9$ | | | | | | | 2 | K Clijsters | 6 | 6 | | | | |
| | T Panova | 0 | 6$^7$ | | | C Black | 2 | 3 | | | | | | | | | |
| | | | | | 2 | K Clijsters | 6 | 6 | | | | | | | | | |