1988 WTA German Open

The 1988 WTA German Open was a women's tennis tournament played on outdoor clay courts at the Rot-Weiss Tennis Club in West Berlin and was part of Tier I of the 1988 WTA Tour. It was the 19th edition of the tournament and ran from 9 May through 15 May 1988. First-seeded Steffi Graf won the singles title.

Singles
Steffi Graf defeated Helena Suková 6–3, 6–2
 * It was Graf's 4th singles title of the year and the 23rd of her career.

Doubles
🇫🇷 Isabelle Demongeot / 🇫🇷 Nathalie Tauziat defeated Claudia Kohde-Kilsch /  Helena Suková 6–2, 4–6, 6–4
 * It was Demongeot's 1st title of the year and the 2nd of her career. It was Tauziat's 1st title of the year and the 2nd of her career.