# 2023 Zagreb Ladies Open – Singles

Jule Niemeier was the defending champion but chose not to participate.
Jaqueline Cristian won the title, defeating Ella Seidel in the final, 6–1, 3–6, 7–6$^{(7–0)}$.

## Seeds

* Diane Parry (semifinals)
* Réka Luca Jani (first round)
* Jaqueline Cristian (champion)
* Heather Watson (second round)
* Séléna Janicijevic (second round)
* Nigina Abduraimova (first round)
* Carole Monnet (semifinals)
* Raluca Șerban (second 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

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| 1 | Diane Parry | 4 | 4 | | | | | |
| Q | Ella Seidel | 6 | 6 | | | | | |
| Q | Ella Seidel | 6 | 6 | Q | Ella Seidel | 1 | 6 | 6$^0$ |
| | | | | 3 | Jaqueline Cristian | 6 | 3 | 7$^7$ |
| 3 | Jaqueline Cristian | 6 | 6 | 3 | Jaqueline Cristian | 6 | 3 | 7$^7$ |
| 7 | Carole Monnet | 4 | 3 | | | | | |

### 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 | D Parry | 6 | 6 | | | | | | | | | | | | | | |
| Q | S Rocchetti | 2 | 0 | | 1 | D Parry | 6 | 6$^1$ | 6 | | | | | | | | |
| | V Grammatikopoulou | 7 | 5 | 6 | | V Grammatikopoulou | 4 | 7$^7$ | 1 | | | | | | | | |
| | M Chwalińska | 5 | 7 | 4 | | | | | | 1 | D Parry | 6 | 7$^7$ | | | | |
| Q | L Radivojević | 3 | 6 | 2 | | | | | | | E Makarova | 1 | 6$^5$ | | | | |
| | E Makarova | 6 | 3 | 6 | | E Makarova | 4 | 6 | 6 | | | | | | | | |
| Q | V Erjavec | 3 | 5 | | 5 | S Janicijevic | 6 | 3 | 3 | | | | | | | | |
| 5 | S Janicijevic | 6 | 7 | | | | | | | | | | | 1 | D Parry | 4 | 4 |
| 4 | H Watson | 6 | 5 | 6 | | | | | | | | | | Q | E Seidel | 6 | 6 |
| Q | L Svatíková | 4 | 7 | 4 | 4 | H Watson | 7$^7$ | 4 | 6$^7$ | | | | | | | | |
| WC | I Primorac | 1 | 1 | | | L Gjorcheska | 6$^2$ | 6 | 7$^9$ | | | | | | | | |
| | L Gjorcheska | 6 | 6 | | | | | | | | L Gjorcheska | 3 | 4 | | | | |
| | M Bulgaru | 6 | 5 | 5 | | | | | | Q | E Seidel | 6 | 6 | | | | |
| Q | E Seidel | 3 | 7 | 7 | Q | E Seidel | 7 | 6 | | | | | | | | | |
| | H Tan | 5 | 7$^7$ | 5 | 8 | R Șerban | 5 | 2 | | | | | | | | | |
| 8 | R Șerban | 7 | 6$^4$ | 7 | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | N Abduraimova | 4 | 6$^9$ | | | | | | | | | | | | | |
| | N Noha Akugue | 6 | 7$^{11}$ | | | N Noha Akugue | 3 | 5 | | | | | | | | |
| WC | J Fett | 6 | 6 | | WC | J Fett | 6 | 7 | | | | | | | | |
| Q | D Hrdinková | 4 | 2 | | | | | | WC | J Fett | 5 | 4 | | | | |
| | T Lukas | 6$^{11}$ | 0$^r$ | | | | | | 3 | J Cristian | 7 | 6 | | | | |
| | E Arango | 7$^{13}$ | 3 | | | E Arango | 4 | 2 | | | | | | | | |
| Q | Ar Rodionova | 3 | 4 | | 3 | J Cristian | 6 | 6 | | | | | | | | |
| 3 | J Cristian | 6 | 6 | | | | | | | | | | 3 | J Cristian | 6 | 6 |
| 7 | C Monnet | 6 | 6 | | | | | | | | | | 7 | C Monnet | 4 | 3 |
| WC | D Mišković | 2 | 2 | | 7 | C Monnet | 6 | 6 | | | | | | | | |
| | A Ružić | 5 | 6 | 6 | | A Ružić | 2 | 1 | | | | | | | | |
| WC | L Ćirić Bagarić | 7 | 1 | 3 | | | | | 7 | C Monnet | 6 | 6 | | | | |
| Q | Z Sönmez | 6 | 2 | 6 | | | | | Q | Z Sönmez | 2 | 3 | | | | |
| | D Jakupović | 2 | 6 | 3 | Q | Z Sönmez | 6 | 7 | | | | | | | | |
| | P Marčinko | 6 | 4 | 7 | | P Marčinko | 4 | 5 | | | | | | | | |
| 2 | RL Jani | 3 | 6 | 5 | | | | | | | | | | | | |