| Champ: |  Monica Niculescu |
| Runner: |  Olga Puchkova |
| Score: | 6–2, 4–6, 6–4 |
| Type: | singles doubles |
| Before Year: | 2002 |
| Before Name: | WTA Brasil Open – Singles |
| After Name: | Brasil Tennis Cup – Singles |
See main article: 2013 Brasil Tennis Cup. This was the first edition of the tournament since 2002. Venus Williams was the top seed, but lost in the semifinals to Olga Puchkova.
Monica Niculescu won the title, defeating Puchkova in three sets, 6–2, 4–6, 6–4.
The top three seeds received a bye into the qualifying competition.