1990 Monte Carlo Open – Singles

{{Infobox tennis tournament event|1990|Monte Carlo Open|

| defchamp =

| champ = {{flagicon|URS}} Andrei Chesnokov

| runner = {{flagicon|AUT}} Thomas Muster

| score = 7–5, 6–3, 6–3

| draw = 56 (6{{abbr|Q|Qualifiers}} / 4{{abbr|WC|Wild Cards}})

| seeds = 16

| edition =

| type = singles doubles

}}

{{main|1990 Monte Carlo Open}}

Andrei Chesnokov defeated Thomas Muster in the final, 7–5, 6–3, 6–3 to win the singles tennis title at the 1990 Monte Carlo Open.

Alberto Mancini was the defending champion, but lost in the second round to Henri Leconte.

Seeds

The top eight seeds received a bye to the second round.

{{colbegin}}

  1. {{flagicon|SWE}} Stefan Edberg (third round)
  2. {{flagicon|FRG}} Boris Becker (quarterfinals)
  3. {{flagicon|USA}} Andre Agassi (withdrew)
  4. {{flagicon|USA}} Aaron Krickstein (second round)
  5. {{flagicon|USA}} Jay Berger (second round)
  6. {{flagicon|ECU}} Andrés Gómez (third round)
  7. {{flagicon|ESP}} Emilio Sánchez (semifinals)
  8. {{flagicon|ARG}} Martín Jaite (second round)
  9. {{flagicon|USA}} Jim Courier (third round)
  10. {{flagicon|FRG}} Carl-Uwe Steeb (first round)
  11. {{flagicon|ARG}} Alberto Mancini (second round)
  12. {{flagicon|URS}} Andrei Chesnokov (champion)
  13. {{flagicon|ARG}} Guillermo Pérez Roldán (second round)
  14. {{flagicon|AUT}} Horst Skoff (quarterfinals)
  15. {{flagicon|SWE}} Magnus Gustafsson (first round)
  16. {{flagicon|ESP}} Sergi Bruguera (second round)

{{colend}}

Draw

{{Draw key}}

=Finals=

{{4TeamBracket-Tennis35

| RD1=Semifinals

| RD2=Final

| RD1-seed1= 

| RD1-team1={{flagicon|AUT}} Thomas Muster

| RD1-score1-1=6

| RD1-score1-2=6

| RD1-score1-3= 

| RD1-seed2=WC

| RD1-team2={{flagicon|FRA}} Henri Leconte

| RD1-score2-1=1

| RD1-score2-2=2

| RD1-score2-3= 

| RD1-seed3=12

| RD1-team3={{flagicon|URS}} Andrei Chesnokov

| RD1-score3-1=4

| RD1-score3-2=6

| RD1-score3-3=77

| RD1-seed4=7

| RD1-team4={{flagicon|ESP}} Emilio Sánchez

| RD1-score4-1=6

| RD1-score4-2=1

| RD1-score4-3=62

| RD2-seed1= 

| RD2-team1={{flagicon|AUT}} Thomas Muster

| RD2-score1-1=5

| RD2-score1-2=3

| RD2-score1-3=3

| RD2-score1-4= 

| RD2-score1-5= 

| RD2-seed2=12

| RD2-team2={{flagicon|URS}} Andrei Chesnokov

| RD2-score2-1=7

| RD2-score2-2=6

| RD2-score2-3=6

| RD2-score2-4= 

| RD2-score2-5= 

}}

=Top half=

==Section 1==

{{16TeamBracket-Compact-Tennis3-Byes

| RD1=First round

| RD2=Second round

| RD3=Third round

| RD4=Quarterfinals

| RD1-seed03= 

| RD1-team03={{flagicon|USA}} J Arias

| RD1-score03-1=6

| RD1-score03-2=6

| RD1-score03-3= 

| RD1-seed04= 

| RD1-team04={{flagicon|RSA|1928}} G Muller

| RD1-score04-1=1

| RD1-score04-2=3

| RD1-score04-3= 

| RD1-seed05= 

| RD1-team05={{flagicon|ESP}} J Aguilera

| RD1-score05-1=6

| RD1-score05-2=6

| RD1-score05-3= 

| RD1-seed06= 

| RD1-team06={{flagicon|ITA}} D Nargiso

| RD1-score06-1=1

| RD1-score06-2=3

| RD1-score06-3= 

| RD1-seed07= 

| RD1-team07={{flagicon|FRA}} J-P Fleurian

| RD1-score07-1=4

| RD1-score07-2=4

| RD1-score07-3= 

| RD1-seed08=16

| RD1-team08={{flagicon|ESP}} S Bruguera

| RD1-score08-1=6

| RD1-score08-2=6

| RD1-score08-3= 

| RD1-seed09=9

| RD1-team09={{flagicon|USA}} J Courier

| RD1-score09-1=6

| RD1-score09-2=4

| RD1-score09-3=6

| RD1-seed10= 

| RD1-team10={{flagicon|FRG}} M Stich

| RD1-score10-1=3

| RD1-score10-2=6

| RD1-score10-3=4

| RD1-seed11=Q

| RD1-team11={{flagicon|SWE}} C Bergström

| RD1-score11-1=6

| RD1-score11-2=2

| RD1-score11-3=4

| RD1-seed12= 

| RD1-team12={{flagicon|SFR Yugoslavia}} G Ivanišević

| RD1-score12-1=4

| RD1-score12-2=6

| RD1-score12-3=6

| RD1-seed13= 

| RD1-team13={{flagicon|AUT}} T Muster

| RD1-score13-1=6

| RD1-score13-2=6

| RD1-score13-3= 

| RD1-seed14= 

| RD1-team14={{flagicon|URU}} M Filippini

| RD1-score14-1=2

| RD1-score14-2=2

| RD1-score14-3= 

| RD2-seed01=1

| RD2-team01={{flagicon|SWE}} S Edberg

| RD2-score01-1=77

| RD2-score01-2=6

| RD2-score01-3= 

| RD2-seed02= 

| RD2-team02={{flagicon|USA}} J Arias

| RD2-score02-1=65

| RD2-score02-2=3

| RD2-score02-3= 

| RD2-seed03= 

| RD2-team03={{flagicon|ESP}} J Aguilera

| RD2-score03-1=69

| RD2-score03-2=6

| RD2-score03-3= 

| RD2-seed04=16

| RD2-team04={{flagicon|ESP}} S Bruguera

| RD2-score04-1=711

| RD2-score04-2=4

| RD2-score04-3=r

| RD2-seed05=9

| RD2-team05={{flagicon|USA}} J Courier

| RD2-score05-1=6

| RD2-score05-2=6

| RD2-score05-3= 

| RD2-seed06= 

| RD2-team06={{flagicon|SFR Yugoslavia}} G Ivanišević

| RD2-score06-1=3

| RD2-score06-2=1

| RD2-score06-3= 

| RD2-seed07= 

| RD2-team07={{flagicon|AUT}} T Muster

| RD2-score07-1=6

| RD2-score07-2=6

| RD2-score07-3= 

| RD2-seed08=8

| RD2-team08={{flagicon|ARG}} M Jaite

| RD2-score08-1=3

| RD2-score08-2=2

| RD2-score08-3= 

| RD3-seed01=1

| RD3-team01={{flagicon|SWE}} S Edberg

| RD3-score01-1=64

| RD3-score01-2=66

| RD3-score01-3= 

| RD3-seed02= 

| RD3-team02={{flagicon|ESP}} J Aguilera

| RD3-score02-1=77

| RD3-score02-2=78

| RD3-score02-3= 

| RD3-seed03=9

| RD3-team03={{flagicon|USA}} J Courier

| RD3-score03-1=4

| RD3-score03-2=4

| RD3-score03-3= 

| RD3-seed04= 

| RD3-team04={{flagicon|AUT}} T Muster

| RD3-score04-1=6

| RD3-score04-2=6

| RD3-score04-3= 

| RD4-seed01= 

| RD4-team01={{flagicon|ESP}} J Aguilera

| RD4-score01-1=3

| RD4-score01-2=4

| RD4-score01-3= 

| RD4-seed02= 

| RD4-team02={{flagicon|AUT}} T Muster

| RD4-score02-1=6

| RD4-score02-2=6

| RD4-score02-3= 

}}

==Section 2==

{{16TeamBracket-Compact-Tennis3-Byes

| RD1=First round

| RD2=Second round

| RD3=Third round

| RD4=Quarterfinals

| RD1-seed03= 

| RD1-team03={{flagicon|ITA}} P Canè

| RD1-score03-1=63

| RD1-score03-2=5

| RD1-score03-3= 

| RD1-seed04= 

| RD1-team04={{flagicon|ESP}} J Arrese

| RD1-score04-1=77

| RD1-score04-2=6

| RD1-score04-3= 

| RD1-seed05= 

| RD1-team05={{flagicon|CSK}} K Nováček

| RD1-score05-1=6

| RD1-score05-2=6

| RD1-score05-3= 

| RD1-seed06= 

| RD1-team06={{flagicon|BRA|1968}} L Mattar

| RD1-score06-1=4

| RD1-score06-2=1

| RD1-score06-3= 

| RD1-seed07= 

| RD1-team07={{flagicon|SWE}} N Kroon

| RD1-score07-1=0

| RD1-score07-2=4

| RD1-score07-3= 

| RD1-seed08=14

| RD1-team08={{flagicon|AUT}} H Skoff

| RD1-score08-1=6

| RD1-score08-2=6

| RD1-score08-3= 

| RD1-seed09=11

| RD1-team09={{flagicon|ARG}} A Mancini

| RD1-score09-1=6

| RD1-score09-2=6

| RD1-score09-3= 

| RD1-seed10= 

| RD1-team10={{flagicon|RSA|1928}} C van Rensburg

| RD1-score10-1=2

| RD1-score10-2=4

| RD1-score10-3= 

| RD1-seed11=WC

| RD1-team11={{flagicon|FRA}} H Leconte

| RD1-score11-1=6

| RD1-score11-2=6

| RD1-score11-3= 

| RD1-seed12= 

| RD1-team12={{flagicon|USA}} T Witsken

| RD1-score12-1=1

| RD1-score12-2=4

| RD1-score12-3= 

| RD1-seed13= 

| RD1-team13={{flagicon|ESP}} J Sánchez

| RD1-score13-1=6

| RD1-score13-2=6

| RD1-score13-3= 

| RD1-seed14=WC

| RD1-team14={{flagicon|FRA}} F Santoro

| RD1-score14-1=2

| RD1-score14-2=4

| RD1-score14-3= 

| RD2-seed01=4

| RD2-team01={{flagicon|USA}} A Krickstein

| RD2-score01-1=5

| RD2-score01-2=2

| RD2-score01-3= 

| RD2-seed02= 

| RD2-team02={{flagicon|ESP}} J Arrese

| RD2-score02-1=7

| RD2-score02-2=6

| RD2-score02-3= 

| RD2-seed03= 

| RD2-team03={{flagicon|CSK}} K Nováček

| RD2-score03-1=3

| RD2-score03-2=710

| RD2-score03-3=4

| RD2-seed04=14

| RD2-team04={{flagicon|AUT}} H Skoff

| RD2-score04-1=6

| RD2-score04-2=68

| RD2-score04-3=6

| RD2-seed05=11

| RD2-team05={{flagicon|ARG}} A Mancini

| RD2-score05-1=4

| RD2-score05-2=4

| RD2-score05-3= 

| RD2-seed06=WC

| RD2-team06={{flagicon|FRA}} H Leconte

| RD2-score06-1=6

| RD2-score06-2=6

| RD2-score06-3= 

| RD2-seed07= 

| RD2-team07={{flagicon|ESP}} J Sánchez

| RD2-score07-1=61

| RD2-score07-2=4

| RD2-score07-3= 

| RD2-seed08=6

| RD2-team08={{flagicon|ECU}} A Gómez

| RD2-score08-1=77

| RD2-score08-2=6

| RD2-score08-3= 

| RD3-seed01= 

| RD3-team01={{flagicon|ESP}} J Arrese

| RD3-score01-1=77

| RD3-score01-2=4

| RD3-score01-3=5

| RD3-seed02=14

| RD3-team02={{flagicon|AUT}} H Skoff

| RD3-score02-1=63

| RD3-score02-2=6

| RD3-score02-3=7

| RD3-seed03=WC

| RD3-team03={{flagicon|FRA}} H Leconte

| RD3-score03-1=6

| RD3-score03-2=6

| RD3-score03-3= 

| RD3-seed04=6

| RD3-team04={{flagicon|ECU}} A Gómez

| RD3-score04-1=3

| RD3-score04-2=4

| RD3-score04-3= 

| RD4-seed01=14

| RD4-team01={{flagicon|AUT}} H Skoff

| RD4-score01-1=2

| RD4-score01-2=77

| RD4-score01-3=4

| RD4-seed02=WC

| RD4-team02={{flagicon|FRA}} H Leconte

| RD4-score02-1=6

| RD4-score02-2=63

| RD4-score02-3=6

}}

=Bottom half=

==Section 3==

{{16TeamBracket-Compact-Tennis3-Byes

| RD1=First round

| RD2=Second round

| RD3=Third round

| RD4=Quarterfinals

| RD1-seed03=Q

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

| RD1-score03-1=3

| RD1-score03-2=1

| RD1-score03-3= 

| RD1-seed04= 

| RD1-team04={{flagicon|PER}} J Yzaga

| RD1-score04-1=6

| RD1-score04-2=6

| RD1-score04-3= 

| RD1-seed05= 

| RD1-team05={{flagicon|SUI}} J Hlasek

| RD1-score05-1=3

| RD1-score05-2=1

| RD1-score05-3= 

| RD1-seed06= 

| RD1-team06={{flagicon|ESP}} T Carbonell

| RD1-score06-1=6

| RD1-score06-2=6

| RD1-score06-3= 

| RD1-seed07= 

| RD1-team07={{flagicon|SFR Yugoslavia}} G Prpić

| RD1-score07-1=5

| RD1-score07-2=3

| RD1-score07-3= 

| RD1-seed08=12

| RD1-team08={{flagicon|URS}} A Chesnokov

| RD1-score08-1=7

| RD1-score08-2=6

| RD1-score08-3= 

| RD1-seed09=13

| RD1-team09={{flagicon|ARG}} G Pérez Roldán

| RD1-score09-1=6

| RD1-score09-2=6

| RD1-score09-3= 

| RD1-seed10=LL

| RD1-team10={{flagicon|URU}} D Pérez

| RD1-score10-1=2

| RD1-score10-2=3

| RD1-score10-3= 

| RD1-seed11=WC

| RD1-team11={{flagicon|SUI}} M Rosset

| RD1-score11-1=6

| RD1-score11-2=6

| RD1-score11-3= 

| RD1-seed12=Q

| RD1-team12={{flagicon|CHI}} S Cortés

| RD1-score12-1=4

| RD1-score12-2=4

| RD1-score12-3= 

| RD1-seed13= 

| RD1-team13={{flagicon|SWE}} J Gunnarsson

| RD1-score13-1=0

| RD1-score13-2=0r

| RD1-score13-3=

| RD1-seed14=Q

| RD1-team14={{flagicon|SWE}} D Engel

| RD1-score14-1=6

| RD1-score14-2=3

| RD1-score14-3= 

| RD2-seed01=5

| RD2-team01={{flagicon|USA}} J Berger

| RD2-score01-1=6

| RD2-score01-2=4

| RD2-score01-3=1

| RD2-seed02= 

| RD2-team02={{flagicon|PER}} J Yzaga

| RD2-score02-1=4

| RD2-score02-2=6

| RD2-score02-3=6

| RD2-seed03= 

| RD2-team03={{flagicon|ESP}} T Carbonell

| RD2-score03-1=1r

| RD2-score03-2=

| RD2-score03-3= 

| RD2-seed04=12

| RD2-team04={{flagicon|URS}} A Chesnokov

| RD2-score04-1=4

| RD2-score04-2= 

| RD2-score04-3= 

| RD2-seed05=13

| RD2-team05={{flagicon|ARG}} G Pérez Roldán

| RD2-score05-1=1

| RD2-score05-2=62

| RD2-score05-3= 

| RD2-seed06=WC

| RD2-team06={{flagicon|SUI}} M Rosset

| RD2-score06-1=6

| RD2-score06-2=77

| RD2-score06-3= 

| RD2-seed07=Q

| RD2-team07={{flagicon|SWE}} D Engel

| RD2-score07-1=7

| RD2-score07-2=6

| RD2-score07-3= 

| RD2-seed08=Q

| RD2-team08={{flagicon|ARG}} G Markus

| RD2-score08-1=5

| RD2-score08-2=4

| RD2-score08-3= 

| RD3-seed01= 

| RD3-team01={{flagicon|PER}} J Yzaga

| RD3-score01-1=2

| RD3-score01-2=1

| RD3-score01-3= 

| RD3-seed02=12

| RD3-team02={{flagicon|URS}} A Chesnokov

| RD3-score02-1=6

| RD3-score02-2=6

| RD3-score02-3= 

| RD3-seed03=WC

| RD3-team03={{flagicon|SUI}} M Rosset

| RD3-score03-1=6

| RD3-score03-2=6

| RD3-score03-3= 

| RD3-seed04=Q

| RD3-team04={{flagicon|SWE}} D Engel

| RD3-score04-1=0

| RD3-score04-2=4

| RD3-score04-3= 

| RD4-seed01=12

| RD4-team01={{flagicon|URS}} A Chesnokov

| RD4-score01-1=6

| RD4-score01-2=6

| RD4-score01-3= 

| RD4-seed02=WC

| RD4-team02={{flagicon|SUI}} M Rosset

| RD4-score02-1=3

| RD4-score02-2=2

| RD4-score02-3= 

}}

==Section 4==

{{16TeamBracket-Compact-Tennis3-Byes

| RD1=First round

| RD2=Second round

| RD3=Third round

| RD4=Quarterfinals

| RD1-seed03=Q

| RD1-team03={{flagicon|CSK}} M Vajda

| RD1-score03-1=6

| RD1-score03-2=6

| RD1-score03-3= 

| RD1-seed04= 

| RD1-team04={{flagicon|CSK}} M Střelba

| RD1-score04-1=4

| RD1-score04-2=2

| RD1-score04-3= 

| RD1-seed05= 

| RD1-team05={{flagicon|NED}} P Haarhuis

| RD1-score05-1=3

| RD1-score05-2=5

| RD1-score05-3= 

| RD1-seed06=WC

| RD1-team06={{flagicon|FRA}} G Forget

| RD1-score06-1=6

| RD1-score06-2=7

| RD1-score06-3= 

| RD1-seed07= 

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

| RD1-score07-1=77

| RD1-score07-2=6

| RD1-score07-3= 

| RD1-seed08=10

| RD1-team08={{flagicon|FRG}} C-U Steeb

| RD1-score08-1=65

| RD1-score08-2=3

| RD1-score08-3= 

| RD1-seed09=15

| RD1-team09={{flagicon|SWE}} M Gustafsson

| RD1-score09-1=2

| RD1-score09-2=2

| RD1-score09-3= 

| RD1-seed10= 

| RD1-team10={{flagicon|HAI}} R Agénor

| RD1-score10-1=6

| RD1-score10-2=6

| RD1-score10-3= 

| RD1-seed11= 

| RD1-team11={{flagicon|CSK}} P Korda

| RD1-score11-1=6

| RD1-score11-2=3

| RD1-score11-3=6

| RD1-seed12= 

| RD1-team12={{flagicon|FRA}} Y Noah

| RD1-score12-1=1

| RD1-score12-2=6

| RD1-score12-3=2

| RD1-seed13= 

| RD1-team13={{flagicon|CSK}} M Šrejber

| RD1-score13-1=1

| RD1-score13-2=1

| RD1-score13-3= 

| RD1-seed14=Q

| RD1-team14={{flagicon|FRA}} C Pioline

| RD1-score14-1=6

| RD1-score14-2=6

| RD1-score14-3= 

| RD2-seed01=7

| RD2-team01={{flagicon|ESP}} E Sánchez

| RD2-score01-1=6

| RD2-score01-2=6

| RD2-score01-3= 

| RD2-seed02=Q

| RD2-team02={{flagicon|CSK}} M Vajda

| RD2-score02-1=1

| RD2-score02-2=1

| RD2-score02-3= 

| RD2-seed03=WC

| RD2-team03={{flagicon|FRA}} G Forget

| RD2-score03-1=6

| RD2-score03-2=5

| RD2-score03-3=6

| RD2-seed04= 

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

| RD2-score04-1=4

| RD2-score04-2=7

| RD2-score04-3=1

| RD2-seed05=15

| RD2-team05={{flagicon|HAI}} R Agénor

| RD2-score05-1=6

| RD2-score05-2=6

| RD2-score05-3= 

| RD2-seed06= 

| RD2-team06={{flagicon|CSK}} P Korda

| RD2-score06-1=3

| RD2-score06-2=2

| RD2-score06-3= 

| RD2-seed07=Q

| RD2-team07={{flagicon|FRA}} C Pioline

| RD2-score07-1=5

| RD2-score07-2=4

| RD2-score07-3= 

| RD2-seed08=2

| RD2-team08={{flagicon|FRG}} B Becker

| RD2-score08-1=7

| RD2-score08-2=6

| RD2-score08-3= 

| RD3-seed01=7

| RD3-team01={{flagicon|ESP}} E Sánchez

| RD3-score01-1=6

| RD3-score01-2=6

| RD3-score01-3= 

| RD3-seed02=WC

| RD3-team02={{flagicon|FRA}} G Forget

| RD3-score02-1=2

| RD3-score02-2=2

| RD3-score02-3= 

| RD3-seed03= 

| RD3-team03={{flagicon|HAI}} R Agénor

| RD3-score03-1=2

| RD3-score03-2=6

| RD3-score03-3=4

| RD3-seed04=2

| RD3-team04={{flagicon|FRG}} B Becker

| RD3-score04-1=6

| RD3-score04-2=4

| RD3-score04-3=6

| RD4-seed01=7

| RD4-team01={{flagicon|ESP}} E Sánchez

| RD4-score01-1=4

| RD4-score01-2=7

| RD4-score01-3=77

| RD4-seed02=2

| RD4-team02={{flagicon|FRG}} B Becker

| RD4-score02-1=6

| RD4-score02-2=5

| RD4-score02-3=63

}}