The singles event of the 1991 Norstar Bank Hamlet Challenge Cup consisted of 32 players including eight seeded players. First-seeded Stefan Edberg was the defending champion, but second-seeded Ivan Lendl defeated him 6–3, 6–2, in the final. It was Lendl's 13th and last win against Edberg, taking their head-to-head to 13–10.
Seeds
Draw
Key
Finals
Top half
Bottom half
References
External links
- ITF tournament edition details

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