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1991 Swiss Indoors – Singles
Reference material by Wikipedia contributors. This retains its source identity and is not 411 news reporting.
John McEnroe was the defending champion, but lost in the final to Jakob Hlasek. The score was 7–6(7–4), 6–0, 6–3.
== Seeds ==
== Draw ==
Key
=== Finals ===
=== Top half ===
=== Bottom half ===
== References ==
== External links ==
Official results archive (ATP)
Official results archive (ITF)