See main article: 1992 ATP German Open.
Stefan Edberg defeated Michael Stich in the final, 5–7, 6–4, 6–1 to win the singles tennis title at the 1992 ATP German Open.
Karel Nováček was the defending champion, but was defeated by Boris Becker in the quarterfinals.
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.