# 2023 Ladies Open Vienna – Singles

Natália Szabanin was the defending champion but lost in the second round to Sinja Kraus.
Tena Lukas won the title, defeating Miriam Bulgaru in the final, 7–5, 6–1.

## Seeds

* Dalma Gálfi (first round)
* Katarina Zavatska (first round)
* Nigina Abduraimova (quarterfinals)
* Leyre Romero Gormaz (second round)
* Sinja Kraus (quarterfinals)
* Irina Bara (semifinals)
* Miriam Bulgaru (final)
* Ekaterina Makarova (first 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 | Semifinals | Final | Final | Final | Final |
| Q | Polona Hercog | 6 | 4 | 6$^8$ | | | | |
| 7 | Miriam Bulgaru | 2 | 6 | 7$^{10}$ | | | | |
| 7 | Miriam Bulgaru | 2 | 6 | 7$^{10}$ | 7 | Miriam Bulgaru | 5 | 1 |
| | | | | | | Tena Lukas | 7 | 6 |
| 6 | Irina Bara | 5 | 6 | 4 | | Tena Lukas | 7 | 6 |
| | Tena Lukas | 7 | 2 | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | D Gálfi | 4 | 2 | | | | | | | | | | | | | | | | |
| Q | IG Ghioroaie | 6 | 6 | | Q | IG Ghioroaie | 6 | 2 | 0 | | | | | | | | | | |
| | S Sakellaridi | 6 | 1 | 4 | Q | P Hercog | 3 | 6 | 6 | | | | | | | | | | |
| Q | P Hercog | 3 | 6 | 6 | | | | | | Q | P Hercog | 6 | 6 | | | | | | |
| Q | AK Tóth | 3 | 7 | 6 | | | | | | | C Dinu | 4 | 4 | | | | | | |
| WC | T Kostic | 6 | 5 | 1 | Q | AK Tóth | 1 | 3 | | | | | | | | | | | |
| | C Dinu | 6 | 6 | | | C Dinu | 6 | 6 | | | | | | | | | | | |
| 8 | E Makarova | 1 | 2 | | | | | | | | | | | | Q | P Hercog | 6 | 4 | 6$^8$ |
| 3 | N Abduraimova | 6 | 6$^6$ | 6 | | | | | | | | | | | 7 | M Bulgaru | 2 | 6 | 7$^{10}$ |
| WC | M Klaffner | 4 | 7$^8$ | 4 | 3 | N Abduraimova | 6 | 6 | | | | | | | | | | | |
| Q | V Kan | 6$^2$ | 7 | 6 | Q | V Kan | 3 | 4 | | | | | | | | | | | |
| Q | T Morderger | 7$^7$ | 5 | 2 | | | | | | 3 | N Abduraimova | 4 | 6 | 0 | | | | | |
| Q | C Muramatsu | 2 | 3 | | | | | | | 7 | M Bulgaru | 6 | 4 | 6 | | | | | |
| | J Avdeeva | 6 | 6 | | | J Avdeeva | 0 | 3 | | | | | | | | | | | |
| SE | A Mitu | 1 | 0$^r$ | | 7 | M Bulgaru | 6 | 6 | | | | | | | | | | | |
| 7 | M Bulgaru | 6 | 1 | | | | | | | | | | | | | | | | |

### 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 | Semifinals |
| 6 | I Bara | 5 | | | | | | | | | | | | | | | | | |
| | A Cadanțu-Ignatik | 1$^r$ | | | 6 | I Bara | 6 | 6 | | | | | | | | | | | |
| SE | I Primorac | 7 | 1 | 2 | | R Saigo | 3 | 4 | | | | | | | | | | | |
| | R Saigo | 5 | 6 | 6 | | | | | | 6 | I Bara | 7$^7$ | 6 | | | | | | |
| WC | A Michalitsch | 2 | 2 | | | | | | | | L Gjorcheska | 6$^4$ | 4 | | | | | | |
| | L Gjorcheska | 6 | 6 | | | L Gjorcheska | 6 | 1 | 7 | | | | | | | | | | |
| WC | A Koller | 2 | 1 | | 4 | L Romero Gormaz | 2 | 6 | 5 | | | | | | | | | | |
| 4 | L Romero Gormaz | 6 | 6 | | | | | | | | | | | | 6 | I Bara | 5 | 6 | 4 |
| 5 | S Kraus | 6 | 6 | | | | | | | | | | | | | T Lukas | 7 | 2 | 6 |
| Q | E Tóthová | 0 | 3 | | 5 | S Kraus | 6 | 6 | | | | | | | | | | | |
| Q | L Cortez Llorca | 4 | 3 | | | N Szabanin | 4 | 0 | | | | | | | | | | | |
| | N Szabanin | 6 | 6 | | | | | | | 5 | S Kraus | 6 | 0 | 2 | | | | | |
| | T Lukas | 6 | 6 | | | | | | | | T Lukas | 4 | 6 | 6 | | | | | |
| | N Potočnik | 4 | 2 | | | T Lukas | 6 | 6 | | | | | | | | | | | |
| | W Falkowska | 6 | 2 | 6 | | W Falkowska | 1 | 3 | | | | | | | | | | | |
| 2 | K Zavatska | 4 | 6 | 0 | | | | | | | | | | | | | | | |