# 2023 Hamburg Ladies & Gents Cup – Women's singles

Rebeka Masarova was the defending champion but chose to compete in Cluj-Napoca instead.
Julia Avdeeva won the title, defeating Ella Seidel in the final, 6–4, 7–6$^{(7–2)}$.

## Seeds

* Berfu Cengiz (second round)
* Ella Seidel (final)
* Sofia Costoulas (first round)
* Lea Bošković (semifinals)
* Mona Barthel (quarterfinals)
* Julia Avdeeva (champion)
* Julia Middendorf (second round)
* Alison Van Uytvanck (first round, retired)

## 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 |
| 6 | Julia Avdeeva | 7$^7$ | 7 | | | | |
| 4 | Lea Bošković | 6$^2$ | 5 | | | | |
| 4 | Lea Bošković | 6$^2$ | 5 | 6 | Julia Avdeeva | 6 | 7$^7$ |
| | | | | 2 | Ella Seidel | 4 | 6$^2$ |
| Q | Alevtina Ibragimova | 4 | 2 | 2 | Ella Seidel | 4 | 6$^2$ |
| 2 | Ella Seidel | 6 | 6 | | | | |

### 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 |
| 1 | B Cengiz | 7 | 6 | | | | | | | | | | | | | | |
| | T Smitková | 5 | 4 | | 1 | B Cengiz | 2 | 3 | | | | | | | | | |
| Q | V Ekshibarova | 0 | 1 | | | E Maklakova | 6 | 6 | | | | | | | | | |
| | E Maklakova | 6 | 6 | | | | | | | | E Maklakova | 2 | 4 | | | | |
| | A Gabric | 1 | 6 | 6 | | | | | | 6 | J Avdeeva | 6 | 6 | | | | |
| Q | A Klasen | 6 | 2 | 3 | | A Gabric | 4 | 6$^7$ | | | | | | | | | |
| WC | TJ Brockmann | 1 | 6$^3$ | | 6 | J Avdeeva | 6 | 7$^9$ | | | | | | | | | |
| 6 | J Avdeeva | 6 | 7$^7$ | | | | | | | | | | | 6 | J Avdeeva | 7$^7$ | 7 |
| 4 | L Bošković | 7$^7$ | 7 | | | | | | | | | | | 4 | L Bošković | 6$^2$ | 5 |
| | A Aksu | 6$^5$ | 5 | | 4 | L Bošković | 3 | 6 | 6 | | | | | | | | |
| | I Šebestová | 3 | 2 | | Q | Y Morderger | 6 | 4 | 1 | | | | | | | | |
| Q | Y Morderger | 6 | 6 | | | | | | | 4 | L Bošković | 6 | 6 | | | | |
| WC | E Vanlangendonck | 6 | 6 | | | | | | | WC | E Vanlangendonck | 3 | 0 | | | | |
| | C Scholl | 3 | 3 | | WC | E Vanlangendonck | 6 | 4 | 6 | | | | | | | | |
| Q | A Waligora | 6 | 4 | 0 | 7 | J Middendorf | 4 | 6 | 2 | | | | | | | | |
| 7 | J Middendorf | 1 | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 8 | A Van Uytvanck | 1$^r$ | | | | | | | | | | | | | | | | |
| | L Schmidt | 2 | | | | L Schmidt | 6 | 6 | | | | | | | | | | |
| WC | J Stusek | 6 | 1 | 6 | WC | J Stusek | 4 | 3 | | | | | | | | | | |
| Q | J Silva | 4 | 6 | 4 | | | | | | | L Schmidt | 6 | 4 | 2 | | | | |
| | TN Smith | 6 | 6 | | | | | | | Q | A Ibragimova | 4 | 6 | 6 | | | | |
| WC | S Herrmann | 0 | 3 | | | TN Smith | 0 | 0 | | | | | | | | | | |
| Q | A Ibragimova | 2 | 6 | 6 | Q | A Ibragimova | 6 | 6 | | | | | | | | | | |
| 3/JE | S Costoulas | 6 | 4 | 4 | | | | | | | | | | | Q | A Ibragimova | 4 | 2 |
| 5 | M Barthel | 6 | 7 | | | | | | | | | | | | 2 | E Seidel | 6 | 6 |
| | A Kučmová | 4 | 5 | | 5 | M Barthel | 4 | 7$^7$ | 6 | | | | | | | | | |
| SR | S Wagner | 6 | 5 | 6 | SR | S Wagner | 6 | 6$^0$ | 4 | | | | | | | | | |
| Q | T Morderger | 1 | 7 | 2 | | | | | | 5 | M Barthel | 4 | 4 | | | | | |
| Q | A Krunić | 7 | 6 | | | | | | | 2 | E Seidel | 6 | 6 | | | | | |
| | E Yashina | 5 | 4 | | Q | A Krunić | 1 | 6 | 5 | | | | | | | | | |
| | R Zelníčková | 4 | 1 | | 2 | E Seidel | 6 | 2 | 7 | | | | | | | | | |
| 2 | E Seidel | 6 | 6 | | | | | | | | | | | | | | | |