# 2024 Oeiras CETO Open – Singles

Nigina Abduraimova was the defending champion but chose to compete in Lopota instead.
Jana Fett won the title after defeating Panna Udvardy in the final; 6–0, 6–2.

## Seeds

* Yulia Starodubtseva (semifinals)
* Lucrezia Stefanini (second round)
* Jana Fett (champion)
* Panna Udvardy (final)
* Ella Seidel (quarterfinals)
* Chloé Paquet (first round)
* Irina Bara (quarterfinals)
* Simona Waltert (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 | Semifinals | Final | Final | Final | Final |
| 1 | Yulia Starodubtseva | 6 | 3 | 3 | | | | |
| 3 | Jana Fett | 2 | 6 | 6 | | | | |
| 3 | Jana Fett | 2 | 6 | 6 | 3 | Jana Fett | 6 | 6 |
| | | | | | 4 | Panna Udvardy | 0 | 2 |
| 4 | Panna Udvardy | 6 | 6 | | 4 | Panna Udvardy | 0 | 2 |
| | Polina Kudermetova | 3 | 1 | | | | | |

### 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 | Semifinals |
| 1 | Y Starodubtseva | 6 | 6 | | | | | | | | | | | | | | | |
| | E Makarova | 3 | 3 | | 1 | Y Starodubtseva | 4 | 6 | 6 | | | | | | | | | |
| | G Knutson | 1 | 2 | | | F Jorge | 6 | 2 | 3 | | | | | | | | | |
| | F Jorge | 6 | 6 | | | | | | | 1 | Y Starodubtseva | 6 | 6 | | | | | |
| Q | A Sisková | 2 | 6 | 3 | | | | | | 5 | E Seidel | 3 | 1 | | | | | |
| Q | A Falei | 6 | 0 | 6 | Q | A Falei | 2 | 6 | 4 | | | | | | | | | |
| Q | H Tan | 1$^r$ | | | 5 | E Seidel | 6 | 0 | 6 | | | | | | | | | |
| 5 | E Seidel | 4 | | | | | | | | | | | | 1 | Y Starodubtseva | 6 | 3 | 3 |
| 3 | J Fett | 6 | 7 | | | | | | | | | | | 3 | J Fett | 2 | 6 | 6 |
| Q | T Lukas | 2 | 5 | | 3 | J Fett | 6 | 6 | | | | | | | | | | |
| | P Hercog | 6 | 6 | | | P Hercog | 0 | 2 | | | | | | | | | | |
| Q | M Björklund | 1 | 1 | | | | | | | 3 | J Fett | 6 | 6 | | | | | |
| | N Stevanović | 6 | 6 | | | | | | | 7 | I Bara | 0 | 3 | | | | | |
| | M Capurro Taborda | 3 | 2 | | | N Stevanović | 1 | 1 | | | | | | | | | | |
| | P Hon | 6$^5$ | 6 | 3 | 7 | I Bara | 6 | 6 | | | | | | | | | | |
| 7 | I Bara | 7$^7$ | 2 | 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 | S Waltert | 6 | 6 | | | | | | | | | | | | | | | |
| WC | M Jorge | 3 | 3 | | 8 | S Waltert | 7 | 6$^5$ | 6$^2$ | | | | | | | | | |
| | O Gadecki | 7$^7$ | 4 | 1 | Q | C Rosatello | 5 | 7$^7$ | 7$^7$ | | | | | | | | | |
| Q | C Rosatello | 6$^3$ | 6 | 6 | | | | | | Q | C Rosatello | 0 | 6 | 2 | | | | |
| Q | M Stakusic | 2 | 4 | | | | | | | 4 | P Udvardy | 6 | 3 | 6 | | | | |
| | L Ćirić Bagarić | 6 | 6 | | | L Ćirić Bagarić | 4 | 3 | | | | | | | | | | |
| WC | A Suciu | 2 | 1 | | 4 | P Udvardy | 6 | 6 | | | | | | | | | | |
| 4 | P Udvardy | 6 | 6 | | | | | | | | | | | | 4 | P Udvardy | 6 | 6 |
| 6 | C Paquet | 4 | 6 | 1 | | | | | | | | | | | | P Kudermetova | 3 | 1 |
| WC | K Mladenovic | 6 | 3 | 6 | WC | K Mladenovic | 6$^3$ | 4 | | | | | | | | | | |
| | P Kudermetova | 6 | 6 | | | P Kudermetova | 7$^7$ | 6 | | | | | | | | | | |
| WC | M Medvedeva | 1 | 1 | | | | | | | | P Kudermetova | 7$^7$ | 6 | | | | | |
| | T Martincová | 6$^5$ | 2 | | | | | | | | C Monnet | 6$^5$ | 3 | | | | | |
| | C Monnet | 7$^7$ | 6 | | | C Monnet | 7 | 6 | | | | | | | | | | |
| Q | M Chwalińska | 1 | 5 | | 2 | L Stefanini | 5 | 3 | | | | | | | | | | |
| 2 | L Stefanini | 6 | 7 | | | | | | | | | | | | | | | |