# 2021 WTA Lyon Open – Singles

Clara Tauson defeated Viktorija Golubic in the final, 6–4, 6–1 to win the singles tennis title at the 2021 WTA Lyon Open. It was her first WTA Tour title, and she won it as a qualifier. Tauson did not lose a set during the tournament, including qualifying rounds, and dropped just 35 games across seven matches. Tauson was the second Dane, after Caroline Wozniacki, to win a WTA Tour singles title. The final match was the first WTA singles final to be contested between two qualifiers since the 2017 Japan Women's Open.
Sofia Kenin was the reigning champion, but chose not to participate after undergoing surgery for appendicitis.

## Seeds

* Ekaterina Alexandrova (first round)
* Fiona Ferro (semifinals)
* Caroline Garcia (second round)
* Kristina Mladenovic (quarterfinals)
* Alizé Cornet (first round)
* Sorana Cîrstea (first round)
* Paula Badosa (semifinals)
* Arantxa Rus (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 |
| Q | Clara Tauson | 7 | 6 | | | | | |
| 7 | Paula Badosa | 5 | 1 | | | | | |
| 7 | Paula Badosa | 5 | 1 | | Q | Clara Tauson | 6 | 6 |
| | | | | | Q | Viktorija Golubic | 4 | 1 |
| Q | Viktorija Golubic | 4 | 6 | 7$^7$ | Q | Viktorija Golubic | 4 | 1 |
| 2 | Fiona Ferro | 6 | 0 | 6$^4$ | | | | |

### 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 |
| 1 | E Alexandrova | 3 | 4 | | | | | | | | | | | | | | | |
| Q | C Tauson | 6 | 6 | | Q | C Tauson | 6 | 6 | | | | | | | | | | |
| | T Babos | 6 | 5 | 6 | | T Babos | 2 | 3 | | | | | | | | | | |
| | V Gracheva | 4 | 7 | 3 | | | | | | Q | C Tauson | 6 | 6 | | | | | |
| | V Kužmová | 2 | 3 | | | | | | | | C Giorgi | 3 | 1 | | | | | |
| | C Giorgi | 6 | 6 | | | C Giorgi | 2 | 6 | 7$^7$ | | | | | | | | | |
| | N Stojanović | 6 | 6 | | | N Stojanović | 6 | 1 | 6$^5$ | | | | | | | | | |
| 6 | S Cîrstea | 4 | 0 | | | | | | | | | | | | Q | C Tauson | 7 | 6 |
| 4 | K Mladenovic | 5 | 7 | 6 | | | | | | | | | | | 7 | P Badosa | 5 | 1 |
| PR | M Buzărnescu | 7 | 5 | 2 | 4 | K Mladenovic | 6 | 6 | | | | | | | | | | |
| | K Zavatska | 4 | 1 | | Q | M Gasparyan | 4 | 2 | | | | | | | | | | |
| Q | M Gasparyan | 6 | 6 | | | | | | | 4 | K Mladenovic | 5 | 7$^7$ | 2 | | | | |
| | S Vögele | 7$^7$ | 6$^5$ | 6 | | | | | | 7 | P Badosa | 7 | 6$^5$ | 6 | | | | |
| | I Bara | 6$^3$ | 7$^7$ | 3 | | S Vögele | 2 | 4 | | | | | | | | | | |
| WC | H Tan | 4 | 6 | 6$^5$ | 7 | P Badosa | 6 | 6 | | | | | | | | | | |
| 7 | P Badosa | 6 | 0 | 7$^7$ | | | | | | | | | | | | | | |

### 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 8 | A Rus | 7$^8$ | 6 | | | | | | | | | | | | | | | | |
| | Xiy Wang | 6$^6$ | 4 | | 8 | A Rus | 6 | 2 | 3 | | | | | | | | | | |
| | G Minnen | 7 | 7 | | | G Minnen | 4 | 6 | 6 | | | | | | | | | | |
| | K Kawa | 5 | 5 | | | | | | | | G Minnen | 3 | 6$^0$ | | | | | | |
| | V Lapko | 7 | 4 | 3 | | | | | | Q | V Golubic | 6 | 7$^7$ | | | | | | |
| Q | V Golubic | 5 | 6 | 6 | Q | V Golubic | 6 | 6 | | | | | | | | | | | |
| | O Dodin | 2 | 6 | 3 | 3 | C Garcia | 1 | 2 | | | | | | | | | | | |
| 3 | C Garcia | 6 | 2 | 6 | | | | | | | | | | | Q | V Golubic | 4 | 6 | 7$^7$ |
| 5 | A Cornet | 1 | 6 | 3 | | | | | | | | | | | 2 | F Ferro | 6 | 0 | 6$^4$ |
| WC | C Burel | 6 | 1 | 6 | WC | C Burel | 7 | 2 | 6 | | | | | | | | | | |
| | A Sasnovich | 7$^9$ | 6 | | | A Sasnovich | 5 | 6 | 0 | | | | | | | | | | |
| WC | E Bouchard | 6$^7$ | 2 | | | | | | | WC | C Burel | 6 | 1 | 3 | | | | | |
| Q | G Gatto-Monticone | 2 | 6 | 2 | | | | | | 2 | F Ferro | 2 | 6 | 6 | | | | | |
| Q | T Martincová | 6 | 3 | 6 | Q | T Martincová | 2 | 1$^r$ | | | | | | | | | | | |
| Q | M Fręch | 7 | 5 | 5 | 2 | F Ferro | 6 | 4 | | | | | | | | | | | |
| 2 | F Ferro | 5 | 7 | 7 | | | | | | | | | | | | | | | |

## Qualifying
### Seeds

* Tereza Martincová (qualified)
* Margarita Gasparyan (qualified)
* Viktorija Golubic (qualified)
* Viktoriya Tomova (qualifying competition)
* Clara Tauson (qualified)
* Barbara Haas (qualifying competition)
* Harriet Dart (first round)
* Kamilla Rakhimova (qualifying competition)
* Olga Danilović (first round)
* Leonie Küng (qualifying competition)
* Wang Xinyu (first round)
* Jaqueline Cristian (first round)

### Qualifiers

* Tereza Martincová
* Margarita Gasparyan
* Viktorija Golubic
* Magdalena Fręch
* Clara Tauson
* Giulia Gatto-Monticone

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Tereza Martincová | 6 | 6 | | | | |
| WC | Margot Yerolymos | 2 | 1 | | | | |
| WC | Margot Yerolymos | 2 | 1 | 1 | Tereza Martincová | 6 | 6 |
| | | | | | Yuki Naito | 2 | 3 |
| | Yuki Naito | 7$^7$ | 6 | | Yuki Naito | 2 | 3 |
| 7 | Harriet Dart | 6$^5$ | 3 | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Margarita Gasparyan | 6 | 6 | | | | | | |
| | Chloé Paquet | 3 | 4 | | | | | | |
| | Chloé Paquet | 3 | 4 | | 2 | Margarita Gasparyan | 3 | 7$^9$ | 6 |
| | | | | | 8 | Kamilla Rakhimova | 6 | 6$^7$ | 3 |
| | You Xiaodi | 6 | 6$^4$ | 3 | 8 | Kamilla Rakhimova | 6 | 6$^7$ | 3 |
| 8 | Kamilla Rakhimova | 1 | 7$^7$ | 6 | | | | | |

#### Third qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Viktorija Golubic | 6 | 6 | | | | |
| | Laura Ioana Paar | 1 | 1 | | | | |
| | Laura Ioana Paar | 1 | 1 | 3 | Viktorija Golubic | 6 | 6 |
| | | | | 10 | Leonie Küng | 3 | 0 |
| | Natalija Kostić | 0 | 0 | 10 | Leonie Küng | 3 | 0 |
| 10 | Leonie Küng | 6 | 6 | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Viktoriya Tomova | 6 | 6 | | | | |
| PR | Lu Jiajing | 1 | 1 | | | | |
| PR | Lu Jiajing | 1 | 1 | 4 | Viktoriya Tomova | 4 | 4 |
| | | | | | Magdalena Fręch | 6 | 6 |
| | Magdalena Fręch | 6 | 6 | | Magdalena Fręch | 6 | 6 |
| 9 | Olga Danilović | 1 | 1 | | | | |

#### Fifth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 5 | Clara Tauson | 6 | 6 | | | | |
| WC | Juline Fayard | 2 | 0 | | | | |
| WC | Juline Fayard | 2 | 0 | 5 | Clara Tauson | 6 | 6 |
| | | | | WC | Amandine Hesse | 4 | 2 |
| WC | Amandine Hesse | 6 | 6 | WC | Amandine Hesse | 4 | 2 |
| 11 | Wang Xinyu | 3 | 4 | | | | |

#### Sixth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 6 | Barbara Haas | 3 | 6 | 7 | | | | | |
| WC | Loïs Boisson | 6 | 2 | 5 | | | | | |
| WC | Loïs Boisson | 6 | 2 | 5 | 6 | Barbara Haas | 6 | 3 | 3 |
| | | | | | | Giulia Gatto-Monticone | 2 | 6 | 6 |
| | Giulia Gatto-Monticone | 6 | 6 | | | Giulia Gatto-Monticone | 2 | 6 | 6 |
| 12 | Jaqueline Cristian | 4 | 1 | | | | | | |