# 1970 French Open – Women's singles

Defending champion Margaret Court defeated Helga Niessen in the final, 6–2, 6–4 to win the women's singles tennis title at the 1970 French Open. It was her fourth French Open singles title, her 18th major singles title overall, and the second leg of an eventual Grand Slam (the first in women's singles in the Open Era).

## Seeds

* Margaret Court (champion)
* Billie Jean King (quarterfinals)
* Virginia Wade (quarterfinals)
* Julie Heldman (semifinals)
* Kerry Melville (first Round, withdrew)
* Françoise Dürr (third round)
* Helga Niessen (final)
* Rosie Casals (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

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | Margaret Court | 7 | 6 | | | | | | | | | |
| 8 | Rosemary Casals | 5 | 2 | | | | | | | | | |
| 8 | Rosemary Casals | 5 | 2 | | 1 | Margaret Court | 6 | 6 | | | | |
| | | | | | 4 | Julie Heldman | 0 | 2 | | | | |
| 4 | Julie Heldman | 6 | 6 | | 4 | Julie Heldman | 0 | 2 | | | | |
| | Vlasta Vopičková | 1 | 3 | | | | | | | | | |
| | Vlasta Vopičková | 1 | 3 | | | | | | 1 | Margaret Court | 6 | 6 |
| | | | | | | | | | 7 | Helga Niessen | 2 | 4 |
| | Karen Krantzcke | 6 | 1 | 6 | | | | | | | | | 7 | Helga Niessen | 2 | 4 |
| 3 | Virginia Wade | 2 | 6 | 3 | | | | | | | | |
| 3 | Virginia Wade | 2 | 6 | 3 | | Karen Krantzcke | 3 | 1 | | | | |
| | | | | | 7 | Helga Niessen | 6 | 6 | | | | |
| 7 | Helga Niessen | 2 | 8 | 6 | 7 | Helga Niessen | 6 | 6 | | | | |
| 2 | Billie Jean King | 6 | 6 | 1 | | | | | | | | |

### Top half
#### Section 1

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 1 | M Court | 6 | 6 | | | | | | | | | | | | | | |
| | M Schaar | 1 | 1 | | 1 | M Court | 3 | 8 | 6 | | | | | | | | |
| | O Morozova | 4 | 6 | 8 | | O Morozova | 6 | 6 | 1 | | | | | | | | |
| | K Sawamatsu | 6 | 0 | 6 | | | | | | 1 | M Court | 6 | 6 | | | | |
| | M Brummer | 15 | 2 | 0 | | | | | | | L Hunt | 2 | 1 | | | | |
| | E Lundquist | 13 | 6 | 6 | | E Lundquist | 2 | 2 | | | | | | | | | |
| | L Pericoli | 6 | 5 | 4$^r$ | | L Hunt | 6 | 6 | | | | | | | | | |
| | L Hunt | 3 | 7 | 5 | | | | | | | | | | 1 | M Court | 7 | 6 |
| | K Pigeon | 6 | 6 | | | | | | | | | | | 8 | R Casals | 5 | 2 |
| Q | E Winkens | 3 | 3 | | | K Pigeon | 6 | 6 | | | | | | | | | |
| | B Stöve | 4 | 4 | | | J Szörényi | 3 | 2 | | | | | | | | | |
| | J Szörényi | 6 | 6 | | | | | | | | K Pigeon | 2 | 1 | | | | |
| | E Giorgi | | | | | | | | | 8 | R Casals | 6 | 6 | | | | |
| | P Walkden | w/o | | | | P Walkden | 4 | 2 | | | | | | | | | |
| | A Palmeová | 2 | 0 | | 8 | R Casals | 6 | 6 | | | | | | | | | |
| 8 | R Casals | 6 | 6 | | | | | | | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 4 | J Heldman | 7 | 6 | | | | | | | | | | | | | | | |
| Q | J Lieffrig | 5 | 0 | | 4 | J Heldman | 6 | 6 | | | | | | | | | | |
| | F Moore | 6 | 7 | 6 | | F Moore | 1 | 0 | | | | | | | | | | |
| | K Hatanaka | 1 | 9 | 3 | | | | | | 4 | J Heldman | 3 | 9 | 6 | | | | |
| | E Emmanuel | 3 | 6 | 6 | | | | | | | E Emmanuel | 6 | 7 | 4 | | | | |
| | K Harter | 6 | 4 | 4 | | E Emmanuel | 6 | 3 | 6 | | | | | | | | | |
| | K Harris | 6 | 7 | | | K Harris | 4 | 6 | 4 | | | | | | | | | |
| | B Kirk | 4 | 5 | | | | | | | | | | | | 4 | J Heldman | 6 | 6 |
| | L Rossouw | 6 | 6 | | | | | | | | | | | | | V Vopičková | 1 | 3 |
| | M-A Curtis | 3 | 3 | | | L Rossouw | 3 | 1 | | | | | | | | | | |
| | V Vopičková | 6 | 6 | | | V Vopičková | 6 | 6 | | | | | | | | | | |
| | I Bentzer | 4 | 2 | | | | | | | | V Vopičková | 6 | 6 | | | | | |
| | M Neumannová | 4 | 4 | | | | | | | Q | AM Arias | 4 | 4 | | | | | |
| Q | AM Arias | 6 | 6 | | Q | AM Arias | 2 | 7 | 6 | | | | | | | | | |
| Q | W Overton | w/o | | | Q | W Overton | 6 | 5 | 4 | | | | | | | | | |
| 5 | K Melville | | | | | | | | | | | | | | | | | |

### Bottom half
#### Section 3

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 6 | F Dürr | 6 | 6 | | | | | | | | | | | | | | | | |
| | P Bartkowicz | 0 | 2 | | 6 | F Dürr | 6 | 6 | | | | | | | | | | | |
| Q | J Salomé | 3 | 6 | 0 | | C Spinoza | 2 | 1 | | | | | | | | | | | |
| | C Spinoza | 6 | 1 | 6 | | | | | | 6 | F Dürr | 6 | 4 | | | | | | |
| | J Dalton | 6 | 6 | | | | | | | | K Krantzcke | 8 | 6 | | | | | | |
| | C Martinez | 3 | 1 | | | J Dalton | 4 | 6 | 0 | | | | | | | | | | |
| | K Krantzcke | 8 | 1 | 6 | | K Krantzcke | 6 | 4 | 6 | | | | | | | | | | |
| Q | F Bonicelli | 6 | 6 | 3 | | | | | | | | | | | | K Krantzcke | 6 | 1 | 6 |
| | É Szabó | 6 | 3 | 3 | | | | | | | | | | | 3 | V Wade | 2 | 6 | 3 |
| | K Ebbinghaus | 2 | 6 | 6 | | K Ebbinghaus | 3 | 2 | | | | | | | | | | | |
| | C Sandberg | 0 | 8 | 6 | | C Sandberg | 6 | 6 | | | | | | | | | | | |
| | H Gourlay | 6 | 6 | 3 | | | | | | | C Sandberg | 4 | 7 | 4 | | | | | |
| | K Borka | 0 | 0 | | | | | | | 3 | V Wade | 6 | 5 | 6 | | | | | |
| | H Hösl | 6 | 6 | | | H Hösl | 7 | 8 | | | | | | | | | | | |
| | L Crooke | 4 | 1 | | 3 | V Wade | 9 | 10 | | | | | | | | | | | |
| 3 | V Wade | 6 | 6 | | | | | | | | | | | | | | | | |

#### Section 4

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 7 | H Niessen | 7 | 6 | | | | | | | | | | | | | | | |
| | P Austin | 5 | 0 | | 7 | H Niessen | 7 | 10 | | | | | | | | | | |
| | T Parmas | 9 | 6 | | | T Parmas | 5 | 8 | | | | | | | | | | |
| | I Skulj | 7 | 3 | | | | | | | 7 | H Niessen | 6 | 6 | | | | | |
| | D Carter | 2 | 4 | | | | | | | | G Chanfreau | 3 | 3 | | | | | |
| | L Liem | 6 | 6 | | | L Liem | 2 | 5 | | | | | | | | | | |
| | G Chanfreau | 6 | 10 | | | G Chanfreau | 6 | 7 | | | | | | | | | | |
| | W Tomlinson | 3 | 8 | | | | | | | | | | | 7 | H Niessen | 2 | 8 | 6 |
| | E Terras | 2 | 9 | 6 | | | | | | | | | | 2 | BJ King | 6 | 6 | 1 |
| Q | P Teeguarden | 6 | 7 | 2 | | E Terras | 6 | 4 | 1 | | | | | | | | | |
| | J Sandulf | 3 | 0 | r | | O de Roubin | 3 | 6 | 6 | | | | | | | | | |
| | O de Roubin | 6 | 3 | | | | | | | | O de Roubin | 0 | 0 | | | | | |
| | E Polgár | 2 | 5 | | | | | | | 2 | BJ King | 6 | 6 | | | | | |
| | J Cooper | 6 | 7 | | | J Cooper | 2 | 2 | | | | | | | | | | |
| Q | H Amos | 5 | 3 | | 2 | BJ King | 6 | 6 | | | | | | | | | | |
| 2 | BJ King | 7 | 6 | | | | | | | | | | | | | | | |