# 2021 Elle Spirit Open – Singles

Olga Danilović was the defending champion, but chose not to participate.
Beatriz Haddad Maia won the title, defeating Francesca Jones in the final, 6–4, 6–3.

## Seeds

* Francesca Jones (final)
* Natalia Vikhlyantseva (quarterfinals)
* Beatriz Haddad Maia (champion)
* Chloé Paquet (semifinals)
* Çağla Büyükakçay (semifinals)
* Susan Bandecchi (quarterfinals)
* Federica Di Sarra (quarterfinals)
* Conny Perrin (quarterfinals)

## 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 | Final | Final | Final | Final |
| 1 | Francesca Jones | 6 | 6 | | | | |
| 3 | Chloé Paquet | 1 | 3 | | | | |
| 3 | Chloé Paquet | 1 | 3 | 1 | Francesca Jones | 4 | 3 |
| | | | | 3 | Beatriz Haddad Maia | 6 | 6 |
| 3 | Beatriz Haddad Maia | 6 | 6 | 3 | Beatriz Haddad Maia | 6 | 6 |
| 5 | Çağla Büyükakçay | 2 | 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 | F Jones | 6 | 6 | | | | | | | | | | | | | | | |
| | E Halbauer | 2 | 1 | | 1 | F Jones | 6 | 4 | 6 | | | | | | | | | |
| | S Rubini | 3 | 5 | | | J Pieri | 2 | 6 | 1 | | | | | | | | | |
| | J Pieri | 6 | 7 | | | | | | | 1 | F Jones | 6 | 4 | 6 | | | | |
| WC | J Dürst | 4 | 5 | | | | | | | 7 | F Di Sarra | 3 | 6 | 3 | | | | |
| Q | M Helgø | 6 | 7 | | Q | M Helgø | 4 | 3 | | | | | | | | | | |
| WC | J Züger | 2 | 1 | | 7 | F Di Sarra | 6 | 6 | | | | | | | | | | |
| 7 | F Di Sarra | 6 | 6 | | | | | | | | | | | | 1 | F Jones | 6 | 6 |
| 4 | C Paquet | 6 | 2 | 6 | | | | | | | | | | | 3 | C Paquet | 1 | 3 |
| Q | F Ganz | 2 | 6 | 0 | 4 | C Paquet | 6 | 6 | | | | | | | | | | |
| Q | SB Grey | 6 | 3 | 6 | Q | SB Grey | 4 | 2 | | | | | | | | | | |
| | Y In-Albon | 3 | 6 | 1 | | | | | | 3 | C Paquet | 6 | 7$^7$ | | | | | |
| WC | A Granwehr | 6 | 1 | 4 | | | | | | 6 | S Bandecchi | 4 | 6$^4$ | | | | | |
| Q | C Scholl | 0 | 6 | 6 | Q | C Scholl | 2 | 1 | | | | | | | | | | |
| | D Marcinkēviča | 4 | 1 | | 6 | S Bandecchi | 6 | 6 | | | | | | | | | | |
| 6 | S Bandecchi | 6 | 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 8 | C Perrin | 6 | 7$^7$ | | | | | | | | | | | | | | |
| WC | V Ryser | 1 | 6$^1$ | | 8 | C Perrin | 7$^{13}$ | 4 | 6 | | | | | | | | |
| Q | M Delai | 4 | 2 | | SE | İ Öz | 6$^{11}$ | 6 | 3 | | | | | | | | |
| SE | İ Öz | 6 | 6 | | | | | | | 8 | C Perrin | 0 | 2 | | | | |
| | E Jacquemot | 3 | 6 | 6 | | | | | | 3 | B Haddad Maia | 6 | 6 | | | | |
| Q | V Meliss | 6 | 3 | 4 | | E Jacquemot | 1 | 7 | 1 | | | | | | | | |
| Q | K Bejenaru | 2 | 3 | | 3 | B Haddad Maia | 6 | 5 | 6 | | | | | | | | |
| 3 | B Haddad Maia | 6 | 6 | | | | | | | | | | | 3 | B Haddad Maia | 6 | 6 |
| 5 | Ç Büyükakçay | 7 | 6 | | | | | | | | | | | 5 | Ç Büyükakçay | 2 | 4 |
| | N Hanatani | 5 | 2 | | 5 | Ç Büyükakçay | 6 | 7 | | | | | | | | | |
| | B Turati | 0 | 2 | | | M Di Giuseppe | 2 | 5 | | | | | | | | | |
| | M Di Giuseppe | 6 | 6 | | | | | | | 5 | Ç Büyükakçay | 6 | 6 | | | | |
| | S Waltert | 7$^7$ | 6 | | | | | | | 2 | N Vikhlyantseva | 4 | 1 | | | | |
| Q | T Pieri | 6$^4$ | 2 | | | S Waltert | 6$^4$ | 1 | | | | | | | | | |
| | C Rosatello | 2 | 1 | | 2 | N Vikhlyantseva | 7$^7$ | 6 | | | | | | | | | |
| 2 | N Vikhlyantseva | 6 | 6 | | | | | | | | | | | | | | |