# 2022 Oeiras Ladies Open – Singles

Polona Hercog was the defending champion but chose not to participate.
Elisabetta Cocciaretto won the title, defeating Viktoriya Tomova in the final, 7–6$^{(7–5)}$, 2–6, 7–5.

## Seeds

* Varvara Gracheva (second round)
* Clara Burel (withdrew)
* Océane Dodin (withdrew)
* Diane Parry (second round)
* Kristina Mladenovic (first round, retired)
* Vitalia Diatchenko (first round)
* Chloé Paquet (first round)
* Dalma Gálfi (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 | Semifinals | Final | Final | Final | Final | Final |
| | Yuliya Hatouka | 7 | 1 | 1 | | | | | |
| | Viktoriya Tomova | 5 | 6 | 6 | | | | | |
| | Viktoriya Tomova | 5 | 6 | 6 | | Viktoriya Tomova | 6$^5$ | 6 | 5 |
| | | | | | Q | Elisabetta Cocciaretto | 7$^7$ | 2 | 7 |
| Q | Elisabetta Cocciaretto | 6 | 6 | | Q | Elisabetta Cocciaretto | 7$^7$ | 2 | 7 |
| 8 | Dalma Gálfi | 3 | 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 | V Gracheva | 6 | 3 | 6 | | | | | | | | | | | | | |
| | C Bucșa | 1 | 6 | 3 | 1 | V Gracheva | 7 | 2 | 3 | | | | | | | | |
| | Y Hatouka | 6 | 6 | | | Y Hatouka | 5 | 6 | 6 | | | | | | | | |
| | K Kawa | 2 | 1 | | | | | | | | Y Hatouka | 6 | 6 | | | | |
| Q | S Rubini | 4 | 4 | | | | | | | Q | A Mitu | 3 | 3 | | | | |
| SE | L Jeanjean | 6 | 6 | | SE | L Jeanjean | 3 | 6 | 6$^8$ | | | | | | | | |
| Q | A Mitu | 1 | 7$^7$ | 6 | Q | A Mitu | 6 | 4 | 7$^{10}$ | | | | | | | | |
| 7 | C Paquet | 6 | 6$^4$ | 3 | | | | | | | | | | Y Hatouka | 7 | 1 | 1 |
| LL | N Vikhlyantseva | 6 | 6 | | | | | | | | | | | V Tomova | 5 | 6 | 6 |
| Q | N Schunk | 2 | 3 | | LL | N Vikhlyantseva | 4 | 6 | 5 | | | | | | | | |
| WC | AF Santos | 1 | 1 | | | F Ferro | 6 | 4 | 7 | | | | | | | | |
| | F Ferro | 6 | 6 | | | | | | | | F Ferro | 2 | 1 | | | | |
| | J Grabher | 6 | 6$^5$ | 3 | | | | | | | V Tomova | 6 | 6 | | | | |
| | V Tomova | 3 | 7$^7$ | 6 | | V Tomova | 6 | 7$^7$ | | | | | | | | | |
| Q | K Gerlach | 6 | 7 | | Q | K Gerlach | 1 | 6$^3$ | | | | | | | | | |
| 6 | V Diatchenko | 0 | 5 | | | | | | | | | | | | | | |

### 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | K Mladenovic | 4 | 0$^r$ | | | | | | | | | | | | | | |
| | A-L Friedsam | 6 | 0 | | | A-L Friedsam | 1 | 6 | 5 | | | | | | | | |
| Q | E Cocciaretto | 5 | 6 | 6 | Q | E Cocciaretto | 6 | 2 | 7 | | | | | | | | |
| Q | I Gamarra Martins | 7 | 4 | 2 | | | | | | Q | E Cocciaretto | 6 | 6 | | | | |
| Q | A Lahey | 2 | 4 | | | | | | | WC | N Stevanović | 3 | 3 | | | | |
| WC | N Stevanović | 6 | 6 | | WC | N Stevanović | 6 | 6 | | | | | | | | | |
| WC | M Jorge | 6 | 1 | 5 | 4 | D Parry | 3 | 4 | | | | | | | | | |
| 4 | D Parry | 3 | 6 | 7 | | | | | | | | | | Q | E Cocciaretto | 6 | 6 |
| 8 | D Gálfi | 7$^{11}$ | 6 | | | | | | | | | | | 8 | D Gálfi | 3 | 3 |
| Q | J Mikulskytė | 6$^9$ | 0 | | 8 | D Gálfi | 6 | 4 | 6 | | | | | | | | |
| JE | P Marčinko | 6 | 6 | | JE | P Marčinko | 0 | 6 | 4 | | | | | | | | |
| | L Zhu | 3 | 3 | | | | | | | 8 | D Gálfi | 7$^9$ | 6 | | | | |
| LL | J Bouzas Maneiro | 4 | 6 | 3 | | | | | | | A Blinkova | 6$^7$ | 4 | | | | |
| | A Blinkova | 6 | 3 | 6 | | A Blinkova | 6 | 6 | | | | | | | | | |
| WC | F Jorge | 6 | 7$^7$ | | WC | F Jorge | 2 | 2 | | | | | | | | | |
| LL | A Barnett | 1 | 6$^5$ | | | | | | | | | | | | | | |