1998 WTA German Open – Singles

Conchita Martínez defeated Amélie Mauresmo in the final, 6–4, 6–4 to win the singles tennis title at the 1998 WTA German Open.

Mary Joe Fernández was the reigning champion, but did not compete that year.

Seeds
The top eight seeds received a bye to the second round. • # Martina Hingis (quarterfinals)

• # 🇺🇸 Lindsay Davenport (third round)

• # 🇨🇿 Jana Novotná (semifinals)

• # Amanda Coetzer (third round)

• # 🇪🇸 Arantxa Sánchez-Vicario (third round)

• # 🇫🇷 Mary Pierce (second round)

• # 🇪🇸 Conchita Martínez (champion)

• # Irina Spîrlea (quarterfinals)

• # Iva Majoli (third round)

• # 🇫🇷 Nathalie Tauziat (first round)

• # 🇫🇷 Sandrine Testud (third round)

• # 🇧🇪 Dominique Van Roost (first round)

• # Patty Schnyder (first round)

• # 🇷🇺 Anna Kournikova (semifinals)

• # 🇺🇸 Lisa Raymond (second round)

• # 🇯🇵 Ai Sugiyama (quarterfinals)