See main article: 1991 Benson and Hedges Open. Karel Nováček defeated Jean-Philippe Fleurian 7–6(7–5), 7–6(7–4) to win the 1991 Benson and Hedges Open singles competition. Scott Davis was the champion but did not defend his title.[1]
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.