# 2020 L'Open 35 de Saint-Malo – Singles

Varvara Gracheva was the defending champion but chose not to participate.
Nadia Podoroska won the title, defeating Cristina Bucșa in the final, 4–6, 7–5, 6–2.

## Seeds

* Océane Dodin (quarterfinals)
* Viktorija Golubic (second round)
* Anhelina Kalinina (second round)
* Lara Arruabarrena (first round)
* Pauline Parmentier (second round)
* Magdalena Fręch (semifinals)
* Irina Bara (first round)
* Nadia Podoroska (champion)

## 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 |
| 8 | Nadia Podoroska | 6 | 7 | | | | | | |
| | Camila Osorio | 3 | 5 | | | | | | |
| | Camila Osorio | 3 | 5 | | 8 | Nadia Podoroska | 4 | 7 | 6 |
| | | | | | | Cristina Bucșa | 6 | 5 | 2 |
| | Cristina Bucșa | 7$^7$ | 3 | 6 | | Cristina Bucșa | 6 | 5 | 2 |
| 6 | Magdalena Fręch | 6$^5$ | 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | O Dodin | 6 | 7$^8$ | | | | | | | | | | | | | | |
| Q | A Droguet | 3 | 6$^6$ | | 1 | O Dodin | 6 | 2 | 6 | | | | | | | | |
| WC | M Partaud | 7 | 5 | 0$^r$ | | N Kostić | 0 | 6 | 0 | | | | | | | | |
| | N Kostić | 5 | 7 | 5 | | | | | | 1 | O Dodin | 6$^1$ | 3 | | | | |
| | H Tan | 3 | 6 | 6 | | | | | | 8 | N Podoroska | 7$^7$ | 6 | | | | |
| | M Sherif | 6 | 2 | 4 | | H Tan | 6$^5$ | 5 | | | | | | | | | |
| Q | D Marcinkēviča | 6$^0$ | 5 | | 8 | N Podoroska | 7$^7$ | 7 | | | | | | | | | |
| 8 | N Podoroska | 7$^7$ | 7 | | | | | | | | | | | 8 | N Podoroska | 6 | 7 |
| 3 | A Kalinina | 6 | 3 | 6 | | | | | | | | | | | C Osorio | 3 | 5 |
| | U Eikeri | 3 | 6 | 2 | 3 | A Kalinina | 0 | 4 | | | | | | | | | |
| WC | C Burel | 6 | 6 | | WC | C Burel | 6 | 6 | | | | | | | | | |
| Q | A Carreras | 3 | 4 | | | | | | | WC | C Burel | 1 | 3 | | | | |
| | C Osorio | 4 | 6 | 7 | | | | | | | C Osorio | 6 | 6 | | | | |
| Q | S Cakarevic | 6 | 1 | 5 | | C Osorio | 6 | 4 | 6 | | | | | | | | |
| Q | F Brugnone | 2 | 1 | | 5 | P Parmentier | 2 | 6 | 4 | | | | | | | | |
| 5 | P Parmentier | 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 | Semifinals |
| 7 | I Bara | 6 | 6$^6$ | 4 | | | | | | | | | | | | | | |
| | V Lepchenko | 4 | 7$^8$ | 6 | | V Lepchenko | 6 | 6 | | | | | | | | | | |
| | C Paquet | 5 | 5 | | WC | A Hesse | 3 | 1 | | | | | | | | | | |
| WC | A Hesse | 7 | 7 | | | | | | | | V Lepchenko | 3 | 4 | | | | | |
| Q | A Albié | 3 | 2 | | | | | | | | C Bucșa | 6 | 6 | | | | | |
| WC | M Yerolymos | 6 | 6 | | WC | M Yerolymos | 4 | 0 | | | | | | | | | | |
| | C Bucșa | 4 | 6 | 7 | | C Bucșa | 6 | 6 | | | | | | | | | | |
| 4 | L Arruabarrena | 6 | 3 | 5 | | | | | | | | | | | C Bucșa | 7$^7$ | 3 | 6 |
| 6 | M Fręch | 6 | 6 | | | | | | | | | | | 6 | M Fręch | 6$^5$ | 6 | 4 |
| | E Kostova | 3 | 3 | | 6 | M Fręch | 6 | 6 | | | | | | | | | | |
| Q | E Jacquemot | 7 | 7 | | Q | E Jacquemot | 2 | 4 | | | | | | | | | | |
| | A Komardina | 5 | 5 | | | | | | | 6 | M Fręch | 6 | 7$^{12}$ | | | | | |
| | E Guerrero Álvarez | 6 | 6 | | | | | | | | E Guerrero Álvarez | 2 | 6$^{10}$ | | | | | |
| Q | H Pellicano | 0 | 2 | | | E Guerrero Álvarez | 1 | 6 | 7 | | | | | | | | | |
| | D Seguel | 6$^3$ | 4 | | 2 | V Golubic | 6 | 3 | 5 | | | | | | | | | |
| 2 | V Golubic | 7$^7$ | 6 | | | | | | | | | | | | | | | |