1999 WTA German Open – Singles
| Singles | |
|---|---|
| 1999 WTA German Open | |
| Champion | Martina Hingis |
| Runner-up | Julie Halard-Decugis |
| Score | 6–0, 6–1 |
| Draw | 56 |
| Seeds | 16 |
Martina Hingis defeated Julie Halard-Decugis in the final, 6–0, 6–1 to win the singles tennis title at the 1999 WTA German Open.
Conchita Martínez was the defending champion, but lost in the third round to Arantxa Sánchez Vicario.