{{TennisEventInfo|1991|Estoril Open| | main_name=Portugal Open{{!}}Estoril Open | date=1–8 April | edition=2nd | category=[[ATP International Series|World Series]] | prize_money=$337,500 | draw=32S / 16D | surface=Clay / outdoor | location=[[Oeiras Municipality, Portugal|Oeiras]], Portugal | champs={{flagicon|ESP}} [[Sergi Bruguera]]<ref name="ms">{{cite web |title=1991 Estoril – Singles draw |url=https://www.atptour.com/en/scores/archive/estoril/468/1991/draws?matchtype=singles |publisher=Association of Tennis Professionals (ATP)}}</ref> | champd={{nowrap|{{flagicon|NED}} [[Paul Haarhuis]] / {{flagicon|NED}} [[Mark Koevermans]]<ref name="md">{{cite web |title=1991 Estoril – Doubles draw |url=https://www.atptour.com/en/scores/archive/estoril/468/1991/draws?matchtype=doubles|publisher=Association of Tennis Professionals (ATP)}}</ref>}} }}
The '''1991 Estoril Open''' was a [[tennis]] tournament played on outdoor [[clay court]]s. This event was the 2nd edition of the [[Portugal Open|Estoril Open]], included in the [[1991 ATP Tour]] [[ATP International Series|World Series]]. The event took place at the Estoril Court Central, in [[Oeiras Municipality, Portugal|Oeiras]], Portugal, from 1 April until 8 April 1991.<ref name="wot1992">{{cite book|title=The International Tennis Federation World of Tennis 1992|year=1992|publisher=CollinsWillow|location=London|isbn=9780002184304|pages=118, 135|editor=[[John Barrett (tennis)|John Barrett]]}}</ref>
==Finals== ===Singles=== {{main|1991 Estoril Open – Singles}} {{flagicon|ESP}} [[Sergi Bruguera]] defeated {{flagicon|TCH}} [[Karel Nováček]], 7–6<sup>(9–7)</sup>, 6–1 * It was Bruguera's 1st singles title of his career.
===Doubles=== {{main|1991 Estoril Open – Doubles}} {{flagicon|NED}} [[Paul Haarhuis]] / {{flagicon|NED}} [[Mark Koevermans]] defeated {{flagicon|NED}} [[Tom Nijssen]] / {{flagicon|TCH}} [[Cyril Suk]], 6–3, 6–3 * It was Haarhuis' 1st title of the year and 2nd of his career. It was Koevermans' 1st title of his career.
==References== {{reflist}}
{{Estoril Open tournaments}} {{1991 ATP Tour}}
[[Category:1991 Estoril Open| ]]
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