# 2023 Surbiton Trophy – Women's singles

Alison Van Uytvanck was the defending champion but chose not to participate.
Yanina Wickmayer won the title, defeating Katie Swan in the final, 2–6, 6–4, 7–6$^{(7–1)}$.

## Seeds

* Tatjana Maria (quarterfinals)
* Alison Riske-Amritraj (first round)
* Madison Brengle (first round)
* Kimberly Birrell (first round)
* Jodie Burrage (first round)
* Elizabeth Mandlik (second round)
* Océane Dodin (second round, retired)
* Katie Boulter (semifinals)

## 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 | Final | Final | Final | Final | Final |
| | Katie Swan | 6 | 6 | | | | | |
| WC | Yuriko Miyazaki | 1 | 0 | | | | | |
| WC | Yuriko Miyazaki | 1 | 0 | | Katie Swan | 6 | 4 | 6$^1$ |
| | | | | Q | Yanina Wickmayer | 2 | 6 | 7$^7$ |
| Q | Yanina Wickmayer | 6 | 6 | Q | Yanina Wickmayer | 2 | 6 | 7$^7$ |
| 8 | Katie Boulter | 3 | 2 | | | | | |

### 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | T Maria | 6 | 2 | 6 | | | | | | | | | | | | | | |
| Q | C Monnet | 4 | 6 | 3 | 1 | T Maria | 6 | 6$^5$ | 6 | | | | | | | | | |
| | H Dart | 2 | 6 | 6 | | H Dart | 4 | 7$^7$ | 4 | | | | | | | | | |
| Q | M Kempen | 6 | 4 | 3 | | | | | | 1 | T Maria | 6 | 3 | 4 | | | | |
| | C Zhao | 2 | 0 | | | | | | | | K Swan | 3 | 6 | 6 | | | | |
| | K Swan | 6 | 6 | | | K Swan | 5 | | | | | | | | | | | |
| Q | M Lumsden | 5 | 6 | 3 | 7 | O Dodin | 3$^r$ | | | | | | | | | | | |
| 7 | O Dodin | 7 | 3 | 6 | | | | | | | | | | | | K Swan | 6 | 6 |
| 3 | M Brengle | 6$^2$ | 7 | 1 | | | | | | | | | | | WC | Y Miyazaki | 1 | 0 |
| Q | I Lacy | 7$^7$ | 5 | 6 | Q | I Lacy | w/o | | | | | | | | | | | |
| | A Krueger | 6 | 5 | 1 | | S Vickery | | | | | | | | | | | | |
| | S Vickery | 2 | 7 | 6 | | | | | | Q | I Lacy | 3 | 0 | | | | | |
| WC | E Silva | 6 | 6 | | | | | | | WC | Y Miyazaki | 6 | 6 | | | | | |
| | M Zacarías | 4 | 4 | | WC | E Silva | 4 | 5 | | | | | | | | | | |
| WC | Y Miyazaki | 3 | 6 | 6 | WC | Y Miyazaki | 6 | 7 | | | | | | | | | | |
| 5 | J Burrage | 6 | 2 | 4 | | | | | | | | | | | | | | |

### 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | E Mandlik | 6 | 6 | | | | | | | | | | | | | | | |
| Q | E Webley-Smith | 3 | 0 | | 6 | E Mandlik | 2 | 1 | | | | | | | | | | |
| WC | N Bains | 3 | 4 | | Q | Y Wickmayer | 6 | 6 | | | | | | | | | | |
| Q | Y Wickmayer | 6 | 6 | | | | | | | Q | Y Wickmayer | 6 | 4 | 7$^7$ | | | | |
| Q | Z Sönmez | 7$^7$ | 6 | | | | | | | | D Snigur | 4 | 6 | 6$^4$ | | | | |
| | P Hon | 6$^1$ | 3 | | Q | Z Sönmez | 4 | 6 | 1 | | | | | | | | | |
| | D Snigur | 6 | 6 | | | D Snigur | 6 | 2 | 6 | | | | | | | | | |
| 4 | K Birrell | 2 | 3 | | | | | | | | | | | | Q | Y Wickmayer | 6 | 6 |
| 8 | K Boulter | 6 | 6 | | | | | | | | | | | | 8 | K Boulter | 3 | 2 |
| | O Gadecki | 2 | 1 | | 8 | K Boulter | 3 | 6 | 6 | | | | | | | | | |
| WC | S Kartal | 6 | 6 | | WC | S Kartal | 6 | 3 | 4 | | | | | | | | | |
| | V Hrunčáková | 3 | 2 | | | | | | | 8 | K Boulter | 7 | 6 | | | | | |
| | H Watson | 6 | 6$^3$ | 6$^6$ | | | | | | | V Golubic | 5 | 2 | | | | | |
| Q | M Inglis | 2 | 7$^7$ | 7$^8$ | Q | M Inglis | 3 | 5 | | | | | | | | | | |
| | V Golubic | 6$^4$ | 6 | 6 | | V Golubic | 6 | 7 | | | | | | | | | | |
| 2 | A Riske-Amritraj | 7$^7$ | 2 | 4 | | | | | | | | | | | | | | |