# 1931 French Championships – Women's singles

Cilly Aussem defeated Betty Nuthall 8–6, 6–1 in the final to win the women's singles tennis title at the 1931 French Championships.

## Seeds

The seeded players are listed below. Cilly Aussem is the champion; others show the round in which they were eliminated.
* Cilly Aussem (champion)
* Simonne Mathieu (quarterfinals)
* Helen Jacobs (quarterfinals)
* Lilly De Alvarez (semifinals)
* Elizabeth Ryan (quarterfinals)
* Betty Nuthall (finalist)
* Hilde Krahwinkel (semifinals)
* Joan Ridley (third round)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* r = Retired

### Finals

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Finals | Finals | Finals | Finals |
| 1 | Cilly Aussem | 8 | 6 | | | | | | | | | |
| | Lucia Valerio | 6 | 2 | | | | | | | | | |
| | Lucia Valerio | 6 | 2 | | 1 | Cilly Aussem | 6 | 7 | | | | |
| | | | | | 4 | Lilly De Alvarez | 0 | 5 | | | | |
| 4 | Lilly De Alvarez | 5 | 6 | 6 | 4 | Lilly De Alvarez | 0 | 5 | | | | |
| 5 | Elizabeth Ryan | 7 | 3 | 4 | | | | | | | | |
| 5 | Elizabeth Ryan | 7 | 3 | 4 | | | | | 1 | Cilly Aussem | 8 | 6 |
| | | | | | | | | | 6 | Betty Nuthall | 6 | 1 |
| 6 | Betty Nuthall | 6 | 6 | | | | | | | | | | 6 | Betty Nuthall | 6 | 1 |
| 3 | Helen Jacobs | 3 | 2 | | | | | | | | | |
| 3 | Helen Jacobs | 3 | 2 | | 6 | Betty Nuthall | 6 | 6 | | | | |
| | | | | | 7 | Hilde Krahwinkel | 1 | 2 | | | | |
| 7 | Hilde Krahwinkel | 6 | 6 | | 7 | Hilde Krahwinkel | 1 | 2 | | | | |
| 2 | Simonne Mathieu | 4 | 3 | | | | | | | | | |

### Earlier rounds
#### Section 1

| 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 |
| | | | | 1 | Aussem | 6 | 6 | | | | | | | | | | |
| | | | | | Belliard | 4 | 1 | | | | | | | | | | |
| | | | | | | | | | 1 | Aussem | 6 | 6 | 6 | | | | |
| | | | | | | | | | | Henrotin | 8 | 2 | 4 | | | | |
| | | | | | Henrotin | 6 | 1 | 6 | | | | | | | | | |
| | Shepherd-Barron | 4 | 3 | | Rosambert | 1 | 6 | 3 | | | | | | | | | |
| | Rosambert | 6 | 6 | | | | | | | | | | | 1 | Aussem | 8 | 6 |
| 8 | Ridley | 6 | 6 | | | | | | | | | | | | Valerio | 6 | 2 |
| | Charpenel | 1 | 3 | 8 | Ridley | 6 | 6 | | | | | | | | | | |
| | Gallay | 8 | 4 | | Burke | 0 | 3 | | | | | | | | | | |
| | Burke | 10 | 6 | | | | | | 8 | Ridley | 3 | 6 | 3 | | | | |
| | Wyns-Speranza | 2 | 3 | | | | | | | Valerio | 6 | 3 | 6 | | | | |
| | Valerio | 6 | 6 | | Valerio | 6 | 6 | | | | | | | | | | |
| | Gallay | 6 | 0 | | Lowenthal | 0 | 1 | | | | | | | | | | |
| | Lowenthal | 8 | 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 | Quarterfinals |
| 4 | De Alvarez | 6 | 6 | | | | | | | | | | | | | | | | |
| | Marre | 3 | 3 | | 4 | De Alvarez | 7 | 8 | | | | | | | | | | | |
| | Vlasto | | | | | Pons | 5 | 6 | | | | | | | | | | | |
| | Pons | | | | | | | | | 4 | De Alvarez | 6 | 6 | | | | | | |
| | Satterthwaite | | | | | | | | | | Guillier | 3 | 3 | | | | | | |
| | Guillier | | | | | Guillier | 6 | 6 | | | | | | | | | | | |
| | Horn | 5 | 7 | 8 | | Horn | 1 | 4 | | | | | | | | | | | |
| | Anet | 7 | 5 | 6 | | | | | | | | | | | 4 | De Alvarez | 5 | 6 | 6 |
| 5 | Ryan | 6 | 6 | | | | | | | | | | | | 5 | Ryan | 7 | 3 | 4 |
| | Bernard | 2 | 2 | | 5 | Ryan | 2 | 9 | 6 | | | | | | | | | | |
| | Vaussard | 4 | 6 | 2 | | Jędrzejowska | 6 | 7 | 3 | | | | | | | | | | |
| | Jędrzejowska | 6 | 3 | 6 | | | | | | 5 | Ryan | 1 | 6 | 6 | | | | | |
| | Whittingstall | 7 | 4 | 6 | | | | | | | Peitz | 6 | 3 | 1 | | | | | |
| | Charnelet | 5 | 6 | 1 | | Whittingstall | 11 | 8 | 3 | | | | | | | | | | |
| | Peitz | 6 | 6 | | | Peitz | 9 | 10 | 6 | | | | | | | | | | |
| | Berthet | 2 | 4 | | | | | | | | | | | | | | | | |

#### 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 |
| | De Montebello | 3 | 1 | | | | | | | | | | | | | | | |
| | Hilleary | 6 | 6 | | | Hilleary | 3 | 6 | 3 | | | | | | | | | |
| | De Bruyn Kops | | | | | Adamoff | 6 | 4 | 6 | | | | | | | | | |
| | Adamoff | | | | | | | | | | Adamoff | 2 | 3 | | | | | |
| | Lebesnerais | 6 | 6 | | | | | | | 6 | Nuthall | 6 | 6 | | | | | |
| | Barger Wallach | 1 | 4 | | | Lebesnerais | 0 | 2 | | | | | | | | | | |
| | Kleinadel | 1 | 3 | | 6 | Nuthall | 6 | 6 | | | | | | | | | | |
| 6 | Nuthall | 6 | 6 | | | | | | | | | | | | 6 | Nuthall | 6 | 6 |
| | Barbier | 1 | 3 | | | | | | | | | | | | 3 | Jacobs | 3 | 2 |
| | Rost | 6 | 6 | | | Rost | 2 | 3 | | | | | | | | | | |
| | Metaxa | 8 | 5 | 6 | | Metaxa | 6 | 6 | | | | | | | | | | |
| | J. Sigart | 6 | 7 | 3 | | | | | | | Metaxa | 6 | 1 | 7 | | | | |
| | Macready | 1 | 3 | | | | | | | 3 | Jacobs | 2 | 6 | 9 | | | | |
| | Nicolopoulos | 6 | 6 | | | Nicolopoulos | 0 | 3 | | | | | | | | | | |
| | Meunier | 2 | 0 | | 3 | Jacobs | 6 | 6 | | | | | | | | | | |
| 3 | Jacobs | 6 | 6 | | | | | | | | | | | | | | | |

#### Section 4

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | Goldschmidt | 1 | 6 | 6 | | | | | | | | | | | | | |
| | Gladman | 6 | 3 | 0 | | Goldschmidt | 3 | 0 | | | | | | | | | |
| | Peyre | 4 | 2 | | | Heeley | 6 | 6 | | | | | | | | | |
| | Heeley | 6 | 6 | | | | | | | Heeley | 6 | 4 | 2 | | | | |
| | Danet | 1 | 0 | | | | | | 7 | Krahwinkel | 3 | 6 | 6 | | | | |
| | Riboli | 6 | 6 | | | Riboli | 3 | 1 | | | | | | | | | |
| | Neufeld | 2 | 6 | 2 | 7 | Krahwinkel | 6 | 6 | | | | | | | | | |
| 7 | Krahwinkel | 6 | 1 | 6 | | | | | | | | | | 7 | Krahwinkel | 6 | 6 |
| | Row | | | | | | | | | | | | | 2 | Mathieu | 4 | 3 |
| | Thomas | | | | | Thomas | 2 | 2 | | | | | | | | | |
| | Amaury | 2 | 0 | | | Payot | 6 | 6 | | | | | | | | | |
| | Payot | 6 | 6 | | | | | | | Payot | 5 | 1 | | | | | |
| | | | | | | | | | 2 | Mathieu | 7 | 6 | | | | | |
| | | | | | | Holzschuch | 1 | 4 | | | | | | | | | |
| | | | | | 2 | Mathieu | 6 | 6 | | | | | | | | | |