1991 Yugoslav Open – Singles

{{TennisEvents|1991|Yugoslav Open|

| champ = {{flagicon|USSR}} Dimitri Poliakov

| runner = {{flagicon|ARG}} Javier Sanchez

| score = 6–4, 6–4

| type = singles doubles

| draw = 32 (3{{abbr|WC|Wild Cards}}/4{{abbr|Q|Qualifiers}}/1{{abbr|LL|Lucky Loser}})

| seeds = 8

| before_name = Yugoslav Open

| after_name=Croatia Open

| main_name=Croatia Open

}}

{{main|1991 Yugoslav Open}}

Goran Prpić was the defending champion, but did not compete this year.

Dimitri Poliakov won the title by defeating Javier Sanchez 6–4, 6–4 in the final.{{cite web |title=Tournament History |url=https://www.croatiaopen.hr/en/tournament/tournament-history/ |website=Plava Laguna Croatia Open Umag |access-date=31 December 2022 |quote=1991 Croatia Open, Umag 13.-19.5.1991. D.Poliakov (USSR) Javier Sánchez (ESP) 6:4 / 6:4}}{{cite web |title=ATP Umag Draw (men's) - 1991 |url=https://www.atptour.com/en/scores/archive/umag/439/1991/draws?matchType=Singles|website=ATP Tour |access-date=31 December 2022}}

Seeds

{{columns-list|colwidth=30em|

  1. {{flagicon|USA}} Richey Reneberg (quarterfinals)
  2. {{flagicon|USA}} Derrick Rostagno (first round)
  3. {{flagicon|USA}} David Wheaton (first round)
  4. {{flagicon|ISR}} Gilad Bloom (first round)
  5. {{flagicon|ARG}} Francisco Clavet (quarterfinals)
  6. {{flagicon|ESP}} Javier Sanchez (final)
  7. {{flagicon|GER}} Carl-Uwe Steeb (second round)
  8. {{flagicon|FRA}} Thierry Champion (first round)

}}

Draw

{{Draw key}}

=Finals=

{{4TeamBracket-Tennis3

| RD1=Semifinals

| RD2=Final

| team-width=175

| RD1-seed1=

| RD1-team1={{flagicon|CZE}} Petr Korda

| RD1-score1-1=6

| RD1-score1-2=66

| RD1-score1-3=5

| RD1-seed2=6

| RD1-team2={{flagicon|ESP}} Javier Sanchez

| RD1-score2-1=0

| RD1-score2-2=78

| RD1-score2-3=7

| RD1-seed3=Q

| RD1-team3={{flagicon|USSR}} Dimitri Poliakov

| RD1-score3-1=4

| RD1-score3-2=6

| RD1-score3-3=6

| RD1-seed4=

| RD1-team4={{flagicon|FRA}} Jean-Philippe Fleurian

| RD1-score4-1=6

| RD1-score4-2=4

| RD1-score4-3=2

| RD2-seed1=6

| RD2-team1={{flagicon|ESP}} Javier Sanchez

| RD2-score1-1=4

| RD2-score1-2=4

| RD2-score1-3=

| RD2-seed2=Q

| RD2-team2={{flagicon|USSR}} Dimitri Poliakov

| RD2-score2-1=6

| RD2-score2-2=6

| RD2-score2-3=

}}

=Top half=

{{16TeamBracket-Compact-Tennis3

| RD1=First round

| RD2=Second round

| RD3=Quarterfinals

| RD4=Semifinals

| RD1-seed01=1

| RD1-team01={{flagicon|USA}} R Reneberg

| RD1-score01-1=2

| RD1-score01-2=6

| RD1-score01-3=6

| RD1-seed02=Q

| RD1-team02={{flagicon|USSR}} A Medvedev

| RD1-score02-1=6

| RD1-score02-2=2

| RD1-score02-3=3

| RD1-seed03=Q

| RD1-team03={{flagicon|ARG}} M Stringari

| RD1-score03-1=6

| RD1-score03-2=6

| RD1-score03-3=

| RD1-seed04=WC

| RD1-team04={{flagicon|YUG}} E Rasberger

| RD1-score04-1=3

| RD1-score04-2=4

| RD1-score04-3=

| RD1-seed05=WC

| RD1-team05={{flagicon|ITA}} F Cancellotti

| RD1-score05-1=6

| RD1-score05-2=3

| RD1-score05-3=4

| RD1-seed06=

| RD1-team06={{flagicon|POR}} N Marques

| RD1-score06-1=3

| RD1-score06-2=6

| RD1-score06-3=6

| RD1-seed07=

| RD1-team07={{flagicon|CZE}} P Korda

| RD1-score07-1=6

| RD1-score07-2=3

| RD1-score07-3=6

| RD1-seed08=8

| RD1-team08={{flagicon|FRA}} T Champion

| RD1-score08-1=4

| RD1-score08-2=6

| RD1-score08-3=3

| RD1-seed09=3

| RD1-team09={{flagicon|USA}} D Wheaton

| RD1-score09-1=4

| RD1-score09-2=3

| RD1-score09-3=

| RD1-seed10=

| RD1-team10={{flagicon|BRA}} J Oncins

| RD1-score10-1=6

| RD1-score10-2=6

| RD1-score10-3=

| RD1-seed11=Q

| RD1-team11={{flagicon|USSR}} A Merinov

| RD1-score11-1=2

| RD1-score11-2=2

| RD1-score11-3=

| RD1-seed12=WC

| RD1-team12={{flagicon|YUG}} B Orešar

| RD1-score12-1=6

| RD1-score12-2=6

| RD1-score12-3=

| RD1-seed13=

| RD1-team13={{flagicon|FIN}} A Rahunen

| RD1-score13-1=6

| RD1-score13-2=3

| RD1-score13-3=2

| RD1-seed14=

| RD1-team14={{flagicon|FRA}} T Benhabiles

| RD1-score14-1=1

| RD1-score14-2=6

| RD1-score14-3=6

| RD1-seed15=

| RD1-team15={{flagicon|POR}} J Cunha-Silva

| RD1-score15-1=2

| RD1-score15-2=6

| RD1-score15-3=2

| RD1-seed16=6

| RD1-team16={{flagicon|ESP}} J Sanchez

| RD1-score16-1=6

| RD1-score16-2=4

| RD1-score16-3=6

| RD2-seed01=1

| RD2-team01={{flagicon|USA}} R Reneberg

| RD2-score01-1=5

| RD2-score01-2=6

| RD2-score01-3=6

| RD2-seed02=Q

| RD2-team02={{flagicon|ARG}} M Stringari

| RD2-score02-1=6

| RD2-score02-2=2

| RD2-score02-3=2

| RD2-seed03=

| RD2-team03={{flagicon|POR}} N Marques

| RD2-score03-1=2

| RD2-score03-2=1

| RD2-score03-3=

| RD2-seed04=

| RD2-team04={{flagicon|CZE}} P Korda

| RD2-score04-1=6

| RD2-score04-2=6

| RD2-score04-3=

| RD2-seed05=

| RD2-team05={{flagicon|BRA}} J Oncins

| RD2-score05-1=4

| RD2-score05-2=6

| RD2-score05-3=3

| RD2-seed06=WC

| RD2-team06={{flagicon|YUG}} B Orešar

| RD2-score06-1=6

| RD2-score06-2=4

| RD2-score06-3=6

| RD2-seed07=

| RD2-team07={{flagicon|FRA}} T Benhabiles

| RD2-score07-1=0

| RD2-score07-2=3

| RD2-score07-3=

| RD2-seed08=6

| RD2-team08={{flagicon|ESP}} J Sanchez

| RD2-score08-1=6

| RD2-score08-2=6

| RD2-score08-3=

| RD3-seed01=1

| RD3-team01={{flagicon|USA}} R Reneberg

| RD3-score01-1=5

| RD3-score01-2=4

| RD3-score01-3=

| RD3-seed02=

| RD3-team02={{flagicon|CZE}} P Korda

| RD3-score02-1=7

| RD3-score02-2=6

| RD3-score02-3=

| RD3-seed03=WC

| RD3-team03={{flagicon|YUG}} B Orešar

| RD3-score03-1=2

| RD3-score03-2=62

| RD3-score03-3=

| RD3-seed04=6

| RD3-team04={{flagicon|ESP}} J Sanchez

| RD3-score04-1=6

| RD3-score04-2=77

| RD3-score04-3=

| RD4-seed01=

| RD4-team01={{flagicon|CZE}} P Korda

| RD4-score01-1=6

| RD4-score01-2=66

| RD4-score01-3=5

| RD4-seed02=6

| RD4-team02={{flagicon|ESP}} J Sanchez

| RD4-score02-1=0

| RD4-score02-2=78

| RD4-score02-3=7

}}

=Bottom half=

{{16TeamBracket-Compact-Tennis3

| RD1=First round

| RD2=Second round

| RD3=Quarterfinals

| RD4=Semifinals

| RD1-seed01=5

| RD1-team01={{flagicon|ESP}} F Clavet

| RD1-score01-1=3

| RD1-score01-2=6

| RD1-score01-3=6

| RD1-seed02=

| RD1-team02={{flagicon|FRA}} G Raoux

| RD1-score02-1=6

| RD1-score02-2=1

| RD1-score02-3=4

| RD1-seed03=

| RD1-team03={{flagicon|SWE}} L Jönsson

| RD1-score03-1=4

| RD1-score03-2=5

| RD1-score03-3=

| RD1-seed04=

| RD1-team04={{flagicon|NED}} J Eltingh

| RD1-score04-1=6

| RD1-score04-2=7

| RD1-score04-3=

| RD1-seed05=

| RD1-team05={{flagicon|ARG}} R Azar

| RD1-score05-1=3

| RD1-score05-2=66

| RD1-score05-3=

| RD1-seed06=Q

| RD1-team06={{flagicon|USSR}} D. Poliakov

| RD1-score06-1=6

| RD1-score06-2=78

| RD1-score06-3=

| RD1-seed07=

| RD1-team07={{flagicon|SWE}} J Gunnarsson

| RD1-score07-1=77

| RD1-score07-2=3

| RD1-score07-3=7

| RD1-seed08=4

| RD1-team08={{flagicon|ISR}} G Bloom

| RD1-score08-1=62

| RD1-score08-2=6

| RD1-score08-3=5

| RD1-seed09=7

| RD1-team09={{flagicon|GER}} CU Steeb

| RD1-score09-1=6

| RD1-score09-2=7

| RD1-score09-3=

| RD1-seed10=

| RD1-team10={{flagicon|GER}} M Sinner

| RD1-score10-1=1

| RD1-score10-2=5

| RD1-score10-3=

| RD1-seed11=

| RD1-team11={{flagicon|GER}} C Saceanu

| RD1-score11-1=6

| RD1-score11-2=4

| RD1-score11-3=4

| RD1-seed12=

| RD1-team12={{flagicon|CZE}} M Vajda

| RD1-score12-1=4

| RD1-score12-2=6

| RD1-score12-3=6

| RD1-seed13=LL

| RD1-team13={{flagicon|CHI}} JA Fernandez

| RD1-score13-1=2

| RD1-score13-2=5

| RD1-score13-3=

| RD1-seed14=

| RD1-team14={{flagicon|FRA}} JF Fleurian

| RD1-score14-1=6

| RD1-score14-2=7

| RD1-score14-3=

| RD1-seed15=

| RD1-team15={{flagicon|FRA}} R Gilbert

| RD1-score15-1=6

| RD1-score15-2=6

| RD1-score15-3=

| RD1-seed16=2

| RD1-team16={{flagicon|USA}} D Rostagno

| RD1-score16-1=0

| RD1-score16-2=4

| RD1-score16-3=

| RD2-seed01=5

| RD2-team01={{flagicon|ESP}} F Clavet

| RD2-score01-1=6

| RD2-score01-2=77

| RD2-score01-3=

| RD2-seed02=

| RD2-team02={{flagicon|NED}} J Eltingh

| RD2-score02-1=2

| RD2-score02-2=65

| RD2-score02-3=

| RD2-seed03=Q

| RD2-team03={{flagicon|USSR}} D. Poliakov

| RD2-score03-1=6

| RD2-score03-2=63

| RD2-score03-3=6

| RD2-seed04=

| RD2-team04={{flagicon|SWE}} J Gunnarsson

| RD2-score04-1=0

| RD2-score04-2=77

| RD2-score04-3=2

| RD2-seed05=7

| RD2-team05={{flagicon|GER}} CU Steeb

| RD2-score05-1=6

| RD2-score05-2=3

| RD2-score05-3=2

| RD2-seed06=

| RD2-team06={{flagicon|CZE}} M Vajda

| RD2-score06-1=3

| RD2-score06-2=6

| RD2-score06-3=6

| RD2-seed07=

| RD2-team07={{flagicon|FRA}} JF Fleurian

| RD2-score07-1=6

| RD2-score07-2=6

| RD2-score07-3=

| RD2-seed08=

| RD2-team08={{flagicon|FRA}} R Gilbert

| RD2-score08-1=3

| RD2-score08-2=2

| RD2-score08-3=

| RD3-seed01=5

| RD3-team01={{flagicon|ESP}} F Clavet

| RD3-score01-1=63

| RD3-score01-2=6

| RD3-score01-3=2

| RD3-seed02=Q

| RD3-team02={{flagicon|USSR}} D. Poliakov

| RD3-score02-1=77

| RD3-score02-2=2

| RD3-score02-3=6

| RD3-seed03=

| RD3-team03={{flagicon|CZE}} M Vajda

| RD3-score03-1=3

| RD3-score03-2=2

| RD3-score03-3=

| RD3-seed04=

| RD3-team04={{flagicon|FRA}} JF Fleurian

| RD3-score04-1=6

| RD3-score04-2=6

| RD3-score04-3=

| RD4-seed01=Q

| RD4-team01={{flagicon|USSR}} D. Poliakov

| RD4-score01-1=4

| RD4-score01-2=6

| RD4-score01-3=6

| RD4-seed02=

| RD4-team02={{flagicon|FRA}} JF Fleurian

| RD4-score02-1=6

| RD4-score02-2=4

| RD4-score02-3=2

}}

References

{{reflist}}