| Champ: | Belinda Bencic |
| Runner: | Antonia Lottner |
| Score: | 6–1, 6–3 |
| Before Name: | French Open – Girls' singles |
| After Name: | French Open – Girls' singles |
See main article: 2013 French Open.
Annika Beck was the 2012 champion, but was no longer eligible to compete in junior tennis, and thus couldn't defend her title.
Belinda Bencic won her first junior grand slam, defeating doubles partner Antonia Lottner in the final, 6–1, 6–3.