1988 WTA German Open – Singles

Steffi Graf was the defending champion and won in the final 6–3, 6–2 against Helena Suková.

Seeds
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated. The top eight seeds received a bye to the second round.


 * 1)  Steffi Graf (champion)
 * 2)  Helena Suková (final)
 * 3)  Claudia Kohde-Kilsch (semifinals)
 * 4) 🇦🇺 Hana Mandlíková (third round)
 * 5) 🇮🇹 Raffaella Reggi (second round)
 * 6) 🇮🇹 Sandra Cecchini (quarterfinals)
 * 7)  Sylvia Hanika (semifinals)
 * 8) 🇺🇸 Mary Joe Fernández (quarterfinals)
 * 9) 🇪🇸 Arantxa Sánchez (second round)
 * 10) 🇫🇷 Nathalie Tauziat (second round)
 * 11)  Isabel Cueto (third round)
 * 12) 🇦🇷 Patricia Tarabini (third round)
 * 13)  Jana Novotná (first round)
 * 14) 🇺🇸 Kathleen Horvath (second round)
 * 15) n/a
 * 16) n/a