1988 WTA German Open – Singles
Introduction 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.#  '''Steffi Graf (champion)'''#  Helena Suková ''(final)''#  Claudia Kohde-Kilsch ''(semifinals)''#  Hana Mandlíková ''(third round)''#  Raffaella Reggi ''(second round)''#  Sandra Cecchini ''(quarterfinals)''#  Sylvia Hanika ''(semifinals)''#  Mary Joe Fernández ''(quarterfinals)''#  Arantxa Sánchez ''(second round)''#  Nathalie Tauziat ''(second round)''#  Isabel Cueto ''(third round)''#  Patricia Tarabini ''(third round)''#  Jana Novotná ''(first round)''#  Kathleen Horvath ''(second round)''# n/a# n/a
Draw ===Finals======Top half=======Section 1========Section 2=======Bottom half=======Section 3========Section 4====
References *  1988 WTA German Open Draw