# 1903 Wimbledon Championships – Women's singles

Dorothea Douglass defeated Ethel Thomson 4–6, 6–4, 6–2 in the all comers' final to win the ladies' singles tennis title at the 1903 Wimbledon Championships. The reigning champion Muriel Robb did not defend her title.

## 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

### All comers' finals

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| Toupie Lowther | Toupie Lowther | 4 | 2 | | | | | |
| Dorothea Douglass | Dorothea Douglass | 6 | 6 | | | | | |
| Dorothea Douglass | Dorothea Douglass | 6 | 6 | Dorothea Douglass | Dorothea Douglass | 4 | 6 | 6 |
| | | | | Ethel Thomson | Ethel Thomson | 6 | 4 | 2 |
| Ethel Thomson | Ethel Thomson | 6 | 6 | Ethel Thomson | Ethel Thomson | 6 | 4 | 2 |
| Alice Greene | Alice Greene | 3 | 1 | | | | | |

### Top half

| 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 |
| | | | | Toupie Lowther | Toupie Lowther | 8 | 6 | | | | | | | | | |
| | | | | Winifred Longhurst | Winifred Longhurst | 6 | 3 | | | | | | | | | |
| | | | | | | | | | T Lowther | T Lowther | 6 | 6 | | | | |
| E Walter | E Walter | | | | | | | | A Morton | A Morton | 1 | 0 | | | | |
| Bertha Steedman | Bertha Steedman | w/o | | E Walter | E Walter | 2 | 2 | | | | | | | | | |
| Agnes Morton | Agnes Morton | 6 | 6 | A Morton | A Morton | 6 | 6 | | | | | | | | | |
| CHE Meyer | CHE Meyer | 1 | 3 | | | | | | | | | | T Lowther | T Lowther | 4 | 2 |
| Hilda Lane | Hilda Lane | 6 | 8 | | | | | | | | | | D Douglass | D Douglass | 6 | 6 |
| Ellen Mary Stawell-Brown | Ellen Mary Stawell-Brown | 2 | 6 | H Lane | H Lane | 6 | 1 | 7 | | | | | | | | |
| Gertrude Houselander | Gertrude Houselander | 6 | 6 | G Houselander | G Houselander | 1 | 6 | 9 | | | | | | | | |
| M Stoneham | M Stoneham | 1 | 1 | | | | | | G Houselander | G Houselander | 2 | 0 | | | | |
| Violet Pinckney | Violet Pinckney | 0 | | | | | | | D Douglass | D Douglass | 6 | 6 | | | | |
| A Bell | A Bell | 0$^r$ | | V Pinckney | V Pinckney | w/o | | | | | | | | | | |
| Dorothea Douglass | Dorothea Douglass | | | D Douglass | D Douglass | | | | | | | | | | | |
| Mrs Riseley | Mrs Riseley | w/o | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| Constance Wilson | Constance Wilson | 1 | 6 | 6 | | | | | | | | | | | | | |
| Edith Greville | Edith Greville | 6 | 2 | 2 | C Wilson | C Wilson | 6 | 6 | | | | | | | | | |
| L Ripley | L Ripley | | | | L Ripley | L Ripley | 2 | 1 | | | | | | | | | |
| Mrs M Chatterton | Mrs M Chatterton | w/o | | | | | | | C Wilson | C Wilson | 4 | 6 | | | | | |
| EL Bosworth | EL Bosworth | 6 | 6 | | | | | | E Thomson | E Thomson | 6 | 8 | | | | | |
| Henrietta Horncastle | Henrietta Horncastle | 1 | 1 | | EL Bosworth | EL Bosworth | 4 | 1 | | | | | | | | | |
| Ethel Thomson | Ethel Thomson | 6 | 6 | | E Thomson | E Thomson | 6 | 6 | | | | | | | | | |
| Beryl Tulloch | Beryl Tulloch | 3 | 2 | | | | | | | | | | | E Thomson | E Thomson | 6 | 6 |
| H Smythe | H Smythe | | | | | | | | | | | | | A Greene | A Greene | 3 | 1 |
| CB Bell | CB Bell | w/o | | | H Smythe | H Smythe | 0 | 2 | | | | | | | | | |
| Edith Bromfield | Edith Bromfield | 6 | 6 | | E Bromfield | E Bromfield | 6 | 6 | | | | | | | | | |
| EA Longhurst | EA Longhurst | 3 | 3 | | | | | | E Bromfield | E Bromfield | 0 | 6 | 3 | | | | |
| | | | | | | | | | A Greene | A Greene | 6 | 4 | 6 | | | | |
| | | | | | Alice Greene | Alice Greene | 6 | 6 | | | | | | | | | |
| | | | | | Mrs Newton | Mrs Newton | 1 | 2 | | | | | | | | | |