{{TennisEventInfo|1991|Czechoslovak Open| | date=5–11 August | edition=5th | draw = 32S / 16D | prize_money=$305,000 | category=[[ATP World Series|World Series]] | surface=[[Clay court|Clay]] / outdoor | location=[[Prague]], Czechoslovakia | venue=[[I. Czech Lawn Tennis Club]] | champs={{flagicon|TCH}} [[Karel Nováček]]<ref name="ms">{{cite web |title=1991 Prague – Singles draw |url=https://www.atptour.com/en/scores/archive/prague/379/1991/draws?matchtype=singles |publisher=Association of Tennis Professionals (ATP)}}</ref> | champd={{flagicon|TCH}} [[Vojtěch Flégl]] / {{flagicon|TCH}} [[Cyril Suk]]<ref name="md">{{cite web |title=1991 Prague – Doubles draw |url=https://www.atptour.com/en/scores/archive/prague/379/1991/draws?matchtype=doubles|publisher=Association of Tennis Professionals (ATP)}}</ref> | main_name=Prague Open (1987–1999){{!}}Prague Open }}
The '''1991 Czechoslovak Open''', also known as the '''Prague Open''' was a men's [[tennis]] tournament played on [[Clay court|outdoor clay courts]] at the [[I. Czech Lawn Tennis Club]] in [[Prague]], Czechoslovakia that was part of the [[ATP World Series|ATP World Series (Designated Week)]] of the [[1991 ATP Tour]]. It was the fifth edition of the tournament and was held from 5 August until 11 August 1991. Second-seeded [[Karel Nováček]] won the singles title.<ref name="wot1992">{{cite book|title=The International Tennis Federation World of Tennis 1992|year=1992|publisher=CollinsWillow|location=London|isbn=9780002184304|pages=119, 139|editor=[[John Barrett (tennis)|John Barrett]]}}</ref>
==Finals==
===Singles=== {{main|1991 Czechoslovak Open – Singles}} {{flagicon|TCH}} [[Karel Nováček]] defeated {{flagicon|SWE}} [[Magnus Gustafsson]] 7–6<sup>(7–5)</sup>, 6–2 * It was Nováček's 4th singles title of the year and the 7th of his career.
===Doubles=== {{main|1991 Czechoslovak Open – Doubles}} {{flagicon|TCH}} [[Vojtěch Flégl]] / {{flagicon|TCH}} [[Cyril Suk]] defeated {{flagicon|TCH}} [[Libor Pimek]] / {{flagicon|TCH}} [[Daniel Vacek]] 6–4, 6–2
==References== {{reflist}}
==External links== * [https://www.itftennis.com/en/tournament/prague/tch/1991/m-wsd-tch-01a-1991/draws-and-results/ ITF tournament edition details]
{{Prague Open tournaments}} {{1991 ATP Tour}}
[[Category:1991 ATP Tour|Czechoslovak Open]] [[Category:Prague Open (1987–1999)]] [[Category:1991 in Czechoslovak sport|Czechoslovak Open]] [[Category:1990s in Prague]] [[Category:Tennis in Czechoslovakia]] [[Category:August 1991 sports events in Europe]]