The 1999 WTA German Open singles was the singles event of the fifty-fifth edition of the tennis tournament played at Berlin, Germany, the most prestigious tennis tournament in Central Europe. It was the sixth WTA Tier I tournament of the year, and part of the European claycourt season. Conchita Martínez was the defending champion; Martínez lost in the third round to Arantxa Sánchez Vicario. World No. 1 Martina Hingis won in the final 6–0, 6–1 against the unseeded Julie Halard-Decugis. Seeds The top eight seeds received a bye to the second round. Draw Finals Top half Section 1 Section 2 Bottom half Section 3 Section 4 Qualifying Seeds Qualifiers Lucky losers Qualifying draw First qualifier Second qualifier Third qualifier Fourth qualifier Fifth qualifier Sixth qualifier Seventh qualifier Eighth qualifier References 1999 WTA German Open Draw WTA German Open WTA German Open