# 2021 Ladies Open Lausanne – Singles

Fiona Ferro was the defending champion from 2019, when the event was last held, but lost to Clara Burel in the quarterfinals.
Tamara Zidanšek won her maiden WTA Tour singles title, defeating Burel in the final, 4–6, 7–6$^{(7–5)}$, 6–1.

## Seeds

* Tamara Zidanšek (champion)
* Fiona Ferro (quarterfinals)
* Jil Teichmann (first round)
* Camila Giorgi (second round)
* Caroline Garcia (semifinals)
* Arantxa Rus (first round)
* Jasmine Paolini (second round)
* Anna Blinkova (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 | Final |
| 1 | Tamara Zidanšek | 7 | 6 | | | | | | |
| | Maryna Zanevska | 5 | 3 | | | | | | |
| | Maryna Zanevska | 5 | 3 | | 1 | Tamara Zidanšek | 4 | 7$^7$ | 6 |
| | | | | | | Clara Burel | 6 | 6$^5$ | 1 |
| 5 | Caroline Garcia | 7 | 2 | 2 | | Clara Burel | 6 | 6$^5$ | 1 |
| | Clara Burel | 5 | 6 | 6 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | T Zidanšek | 2 | 6 | 6 | | | | | | | | | | | | | |
| | M Melnikova | 6 | 3 | 2 | 1 | T Zidanšek | 6 | 7 | | | | | | | | | |
| | V Gracheva | 3 | 2 | | PR | M Minella | 2 | 5 | | | | | | | | | |
| PR | M Minella | 6 | 6 | | | | | | 1 | T Zidanšek | 6 | 4 | 6 | | | | |
| Q | L Bronzetti | 6 | 6 | | | | | | Q | L Bronzetti | 4 | 6 | 3 | | | | |
| WC | T Sugnaux | 1 | 0 | | Q | L Bronzetti | 6 | 6 | | | | | | | | | |
| | O Govortsova | 6 | 4 | 2 | 8 | A Blinkova | 1 | 2 | | | | | | | | | |
| 8 | A Blinkova | 2 | 6 | 6 | | | | | | | | | | 1 | T Zidanšek | 7 | 6 |
| 3 | J Teichmann | 3 | 6 | 2 | | | | | | | | | | | M Zanevska | 5 | 3 |
| | M Zanevska | 6 | 2 | 6 | | M Zanevska | 7 | 6 | | | | | | | | | |
| | F Di Lorenzo | 6 | 2 | 2 | | S Vögele | 5 | 3 | | | | | | | | | |
| | S Vögele | 3 | 6 | 6 | | | | | | M Zanevska | 7 | 6 | | | | | |
| | K Zavatska | 6 | 4 | 0 | | | | | | N Vikhlyantseva | 5 | 4 | | | | | |
| | N Vikhlyantseva | 4 | 6 | 6 | | N Vikhlyantseva | 6 | 6 | | | | | | | | | |
| Q | V Grammatikopoulou | 3 | 6 | 5 | 7 | J Paolini | 1 | 3 | | | | | | | | | |
| 7 | J Paolini | 6 | 4 | 7 | | | | | | | | | | | | | |

### 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 | Semifinals |
| 5 | C Garcia | 6 | 6 | | | | | | | | | | | | | | | |
| PR | A Dulgheru | 2 | 2 | | 5 | C Garcia | 7$^7$ | 3 | 6 | | | | | | | | | |
| | Kr Plíšková | 6 | 6$^4$ | 1 | Q | A Sharma | 6$^3$ | 6 | 3 | | | | | | | | | |
| Q | A Sharma | 2 | 7$^7$ | 6 | | | | | | 5 | C Garcia | 7 | 6 | | | | | |
| | Z Diyas | 6 | 6 | | | | | | | | Z Diyas | 5 | 2 | | | | | |
| WC | S Waltert | 4 | 4 | | | Z Diyas | 6 | 6 | | | | | | | | | | |
| Q | U Eikeri | 2 | 0 | | 4 | C Giorgi | 4 | 4 | | | | | | | | | | |
| 4 | C Giorgi | 6 | 6 | | | | | | | | | | | 5 | C Garcia | 7 | 2 | 2 |
| 6 | A Rus | 6$^6$ | 7 | 5 | | | | | | | | | | | C Burel | 5 | 6 | 6 |
| | K Rakhimova | 7$^8$ | 5 | 7 | | K Rakhimova | 6 | 3 | 3 | | | | | | | | | |
| | S Bandecchi | 0 | 2 | | | C Burel | 1 | 6 | 6 | | | | | | | | | |
| | C Burel | 6 | 6 | | | | | | | | C Burel | 7 | 6 | | | | | |
| | A-L Friedsam | 3 | 6 | 4 | | | | | | 2 | F Ferro | 5 | 2 | | | | | |
| WC | A Parks | 6 | 3 | 6 | WC | A Parks | 4 | 6 | 0 | | | | | | | | | |
| | H Tan | 5 | 2 | | 2 | F Ferro | 6 | 1 | 6 | | | | | | | | | |
| 2 | F Ferro | 7 | 6 | | | | | | | | | | | | | | | |

## Qualifying
### Seeds

* Astra Sharma (qualified)
* Lucia Bronzetti (qualified)
* Ulrikke Eikeri (qualified)
* Valentini Grammatikopoulou (qualified)

### Qualifiers

* Astra Sharma
* Lucia Bronzetti
* Ulrikke Eikeri
* Valentini Grammatikopoulou

### Draw
#### First qualifier

| Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Astra Sharma | 5 | 6 | 6 |
| | Valentina Ivakhnenko | 7 | 2 | 1 |

#### Second qualifier

| Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Lucia Bronzetti | 3 | 6 | 6 |
| WC | Ylena In-Albon | 6 | 3 | 3 |

#### Third qualifier

| Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Ulrikke Eikeri | 6 | 6 | |
| WC | Gabriella Price | 1 | 1 | |

#### Fourth qualifier

| Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Valentini Grammatikopoulou | 6 | 6$^1$ | 6 |
| | Jesika Malečková | 3 | 7$^7$ | 2 |