2021 Monterrey Open – Singles

{{Multiple issues|{{more citations needed|date=March 2021}}{{lead too short|date=March 2021}}}}

{{Tennis events|2021|Monterrey Open|

| champ = {{flagicon|CAN}} Leylah Fernandez

| runner = {{flagicon|SUI}} Viktorija Golubic

| score = 6–1, 6–4

| type = singles doubles

| before_name = Monterrey Open – Singles

| after_name = Monterrey Open – Singles

}}

{{main|2021 Monterrey Open}}

Leylah Fernandez defeated Viktorija Golubic in the final, 6–1, 6–4 to win the singles tennis title at the 2021 Monterrey Open.{{cite web|url=https://www.wtatennis.com/news/2075163/fernandez-sweeps-past-golubic-to-claim-first-wta-title-in-monterrey|title=Fernandez sweeps past Golubic to win Monterrey for first WTA title|publisher=Women's Tennis Association|accessdate=25 October 2024}} Fernandez did not drop a set en route to her first WTA Tour singles title.

Elina Svitolina was the reigning champion, but decided not to participate.[https://www.wtatennis.com/news/1642107/svitolina-outlasts-bouzkova-in-3-hour-clash-claims-monterrey-title Svitolina outlasts Bouzkova in 3-hour clash, claims Monterrey title]

Seeds

{{columns-list|colwidth=30em|

  1. {{flagicon|USA}} Sloane Stephens (first round)
  2. {{flagicon|ARG}} Nadia Podoroska (first round)
  3. {{flagicon|CHN}} Zheng Saisai (quarterfinals)
  4. {{flagicon|CZE}} Marie Bouzková (withdrew)
  5. {{flagicon|GBR}} Heather Watson (first round)
  6. {{flagicon|RUS}} Anna Blinkova (first round)
  7. {{flagicon|ESP}} Sara Sorribes Tormo (semifinals)
  8. {{flagicon|USA}} Ann Li (semifinals)
  9. {{flagicon|JPN}} Nao Hibino (first round)

}}

Draw

{{Draw key}}

=Finals=

{{4TeamBracket-Tennis3-v2

| RD1=Semifinals

| RD2=Final

| team-width=175

| RD1-seed1= 

| RD1-team1={{flagicon|CAN}} Leylah Fernandez

| RD1-score1-1=7

| RD1-score1-2=7

| RD1-score1-3=

| RD1-seed2=7

| RD1-team2={{flagicon|ESP}} Sara Sorribes Tormo

| RD1-score2-1=5

| RD1-score2-2=5

| RD1-score2-3=

| RD1-seed3=8

| RD1-team3={{flagicon|USA}} Ann Li

| RD1-score3-1=2

| RD1-score3-2=4

| RD1-score3-3=

| RD1-seed4=Q

| RD1-team4={{flagicon|SUI}} Viktorija Golubic

| RD1-score4-1=6

| RD1-score4-2=6

| RD1-score4-3=

| RD2-seed1= 

| RD2-team1={{flagicon|CAN}} Leylah Fernandez

| RD2-score1-1=6

| RD2-score1-2=6

| RD2-score1-3=

| RD2-seed2=Q

| RD2-team2={{flagicon|SUI}} Viktorija Golubic

| RD2-score2-1=1

| RD2-score2-2=4

| 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}} S Stephens

| RD1-score01-1=2

| RD1-score01-2=2

| RD1-score01-3=

| RD1-seed02=LL

| RD1-team02={{flagicon|SVK}} K Kučová

| RD1-score02-1=6

| RD1-score02-2=6

| RD1-score02-3=

| RD1-seed03=WC

| RD1-team03={{flagicon|USA}} C Vandeweghe

| RD1-score03-1=3

| RD1-score03-2=2

| RD1-score03-3=

| RD1-seed04=

| RD1-team04= {{flagicon|CAN}} LA Fernandez

| RD1-score04-1=6

| RD1-score04-2=6

| RD1-score04-3=

| RD1-seed05=WC

| RD1-team05={{flagicon|USA}} C Dolehide

| RD1-score05-1=3

| RD1-score05-2=1

| RD1-score05-3=

| RD1-seed06=

| RD1-team06={{flagicon|SVK}} V Kužmová

| RD1-score06-1=6

| RD1-score06-2=6

| RD1-score06-3=

| RD1-seed07=LL

| RD1-team07={{flagicon|GBR}} H Dart

| RD1-score07-1=6

| RD1-score07-2=77

| RD1-score07-3=

| RD1-seed08=5

| RD1-team08={{flagicon|GBR}} H Watson

| RD1-score08-1=4

| RD1-score08-2=61

| RD1-score08-3=

| RD1-seed09=9

| RD1-team09={{flagicon|JPN}} N Hibino

| RD1-score09-1=6

| RD1-score09-2=2

| RD1-score09-3=3

| RD1-seed10=

| RD1-team10={{flagicon|ITA}} J Paolini

| RD1-score10-1=3

| RD1-score10-2=6

| RD1-score10-3=6

| RD1-seed11=PR

| RD1-team11={{flagicon|SVK}} AK Schmiedlová

| RD1-score11-1=6

| RD1-score11-2=6

| RD1-score11-3=

| RD1-seed12=PR

| RD1-team12={{flagicon|GBR}} K Boulter

| RD1-score12-1=4

| RD1-score12-2=0

| RD1-score12-3=

| RD1-seed13=Q

| RD1-team13={{flagicon|SLO}} K Juvan

| RD1-score13-1=6

| RD1-score13-2=6

| RD1-score13-3=

| RD1-seed14=Q

| RD1-team14={{flagicon|COL}} C Osorio

| RD1-score14-1=4

| RD1-score14-2=4

| RD1-score14-3=

| RD1-seed15=Q

| RD1-team15={{flagicon|UKR}} L Tsurenko

| RD1-score15-1=7

| RD1-score15-2=2

| RD1-score15-3=4

| RD1-seed16=7

| RD1-team16={{flagicon|ESP}} S Sorribes Tormo

| RD1-score16-1=5

| RD1-score16-2=6

| RD1-score16-3=6

| RD2-seed01=LL

| RD2-team01={{flagicon|SVK}} K Kučová

| RD2-score01-1=1

| RD2-score01-2=4

| RD2-score01-3=

| RD2-seed02=

| RD2-team02= {{flagicon|CAN}} LA Fernandez

| RD2-score02-1=6

| RD2-score02-2=6

| RD2-score02-3=

| RD2-seed03=

| RD2-team03={{flagicon|SVK}} V Kužmová

| RD2-score03-1=6

| RD2-score03-2=6

| RD2-score03-3=

| RD2-seed04=LL

| RD2-team04={{flagicon|GBR}} H Dart

| RD2-score04-1=4

| RD2-score04-2=3

| RD2-score04-3=

| RD2-seed05=

| RD2-team05={{flagicon|ITA}} J Paolini

| RD2-score05-1=6

| RD2-score05-2=2

| RD2-score05-3=2

| RD2-seed06=PR

| RD2-team06={{flagicon|SVK}} AK Schmiedlová

| RD2-score06-1=2

| RD2-score06-2=6

| RD2-score06-3=6

| RD2-seed07=Q

| RD2-team07={{flagicon|SLO}} K Juvan

| RD2-score07-1=

| RD2-score07-2=

| RD2-score07-3=

| RD2-seed08=7

| RD2-team08= {{flagicon|ESP}} S Sorribes Tormo

| RD2-score08-1=w/o

| RD2-score08-2=

| RD2-score08-3=

| RD3-seed01=

| RD3-team01={{flagicon|CAN}} LA Fernandez

| RD3-score01-1=7

| RD3-score01-2=6

| RD3-score01-3=

| RD3-seed02=

| RD3-team02={{flagicon|SVK}} V Kužmová

| RD3-score02-1=5

| RD3-score02-2=3

| RD3-score02-3=

| RD3-seed03=PR

| RD3-team03={{flagicon|SVK}} AK Schmiedlová

| RD3-score03-1=3

| RD3-score03-2=5

| RD3-score03-3=

| RD3-seed04=7

| RD3-team04={{flagicon|ESP}} S Sorribes Tormo

| RD3-score04-1=6

| RD3-score04-2=7

| RD3-score04-3=

| RD4-seed01=

| RD4-team01={{flagicon|CAN}} LA Fernandez

| RD4-score01-1=7

| RD4-score01-2=7

| RD4-score01-3=

| RD4-seed02=7

| RD4-team02={{flagicon|ESP}} S Sorribes Tormo

| RD4-score02-1=5

| RD4-score02-2=5

| RD4-score02-3=

}}

=Bottom half=

{{16TeamBracket-Compact-Tennis3

| RD1=First round

| RD2=Second round

| RD3=Quarterfinals

| RD4=Semifinals

| RD1-seed01=8

| RD1-team01={{flagicon|USA}} A Li

| RD1-score01-1=6

| RD1-score01-2=7

| RD1-score01-3=

| RD1-seed02=

| RD1-team02={{flagicon|NED}} A Rus

| RD1-score02-1=3

| RD1-score02-2=5

| RD1-score02-3=

| RD1-seed03=WC

| RD1-team03={{flagicon|MEX}} R Zarazúa

| RD1-score03-1=68

| RD1-score03-2=3

| RD1-score03-3=

| RD1-seed04=

| RD1-team04={{flagicon|SLO}} T Zidanšek

| RD1-score04-1=710

| RD1-score04-2=6

| RD1-score04-3=

| RD1-seed06=SE

| RD1-team06={{flagicon|CAN}} E Bouchard

| RD1-score06-1=5

| RD1-score06-2=63

| RD1-score06-3=

| RD1-seed05=

| RD1-team05={{flagicon|CHN}} L Zhu

| RD1-score05-1=7

| RD1-score05-2=77

| RD1-score05-3=

| RD1-seed07=

| RD1-team07={{flagicon|RUS}} V Gracheva

| RD1-score07-1=3

| RD1-score07-2=5

| RD1-score07-3=

| RD1-seed08=3

| RD1-team08={{flagicon|CHN}} S Zheng

| RD1-score08-1=6

| RD1-score08-2=7

| RD1-score08-3=

| RD1-seed09=6

| RD1-team09={{flagicon|RUS}} A Blinkova

| RD1-score09-1=4

| RD1-score09-2=4

| RD1-score09-3=

| RD1-seed10=Q

| RD1-team10={{flagicon|SUI}} V Golubic

| RD1-score10-1=6

| RD1-score10-2=6

| RD1-score10-3=

| RD1-seed11=Q

| RD1-team11={{flagicon|EGY}} M Sherif

| RD1-score11-1=6

| RD1-score11-2=2

| RD1-score11-3=3

| RD1-seed12=

| RD1-team12={{flagicon|USA}} L Davis

| RD1-score12-1=1

| RD1-score12-2=6

| RD1-score12-3=6

| RD1-seed13=

| RD1-team13={{flagicon|ITA}} M Trevisan

| RD1-score13-1=3

| RD1-score13-2=2

| RD1-score13-3=

| RD1-seed14=

| RD1-team14={{flagicon|SRB}} N Stojanović

| RD1-score14-1=6

| RD1-score14-2=6

| RD1-score14-3=

| RD1-seed15=Q

| RD1-team15={{flagicon|RUS}} A Kalinskaya

| RD1-score15-1=6

| RD1-score15-2=6

| RD1-score15-3=

| RD1-seed16=2

| RD1-team16={{flagicon|ARG}} N Podoroska

| RD1-score16-1=4

| RD1-score16-2=4

| RD1-score16-3=

| RD2-seed01=8

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

| RD2-score01-1=6

| RD2-score01-2=6

| RD2-score01-3=

| RD2-seed02=

| RD2-team02={{flagicon|SLO}} T Zidanšek

| RD2-score02-1=4

| RD2-score02-2=3

| RD2-score02-3=

| RD2-seed03=

| RD2-team03={{flagicon|CHN}} L Zhu

| RD2-score03-1=1

| RD2-score03-2=2

| RD2-score03-3=

| RD2-seed04=3

| RD2-team04={{flagicon|CHN}} S Zheng

| RD2-score04-1=6

| RD2-score04-2=6

| RD2-score04-3=

| RD2-seed05=Q

| RD2-team05={{flagicon|SUI}} V Golubic

| RD2-score05-1=6

| RD2-score05-2=6

| RD2-score05-3=

| RD2-seed06=

| RD2-team06={{flagicon|USA}} L Davis

| RD2-score06-1=3

| RD2-score06-2=1

| RD2-score06-3=

| RD2-seed07=

| RD2-team07={{flagicon|SRB}} N Stojanović

| RD2-score07-1=4

| RD2-score07-2=3

| RD2-score07-3=

| RD2-seed08=Q

| RD2-team08={{flagicon|RUS}} A Kalinskaya

| RD2-score08-1=6

| RD2-score08-2=6

| RD2-score08-3=

| RD3-seed01=8

| RD3-team01={{flagicon|USA}} A Li

| RD3-score01-1=7

| RD3-score01-2=6

| RD3-score01-3=

| RD3-seed02=3

| RD3-team02={{flagicon|CHN}} S Zheng

| RD3-score02-1=5

| RD3-score02-2=1

| RD3-score02-3=

| RD3-seed03=Q

| RD3-team03={{flagicon|SUI}} V Golubic

| RD3-score03-1=6

| RD3-score03-2=6

| RD3-score03-3=

| RD3-seed04=Q

| RD3-team04={{flagicon|RUS}} A Kalinskaya

| RD3-score04-1=2

| RD3-score04-2=4

| RD3-score04-3=

| RD4-seed01=8

| RD4-team01={{flagicon|USA}} A Li

| RD4-score01-1=2

| RD4-score01-2=4

| RD4-score01-3=

| RD4-seed02=Q

| RD4-team02={{flagicon|SUI}} V Golubic

| RD4-score02-1=6

| RD4-score02-2=6

| RD4-score02-3=

}}

Qualifying

=Seeds=

{{columns-list|colwidth=30em|

  1. {{flagicon|SLO}} Kaja Juvan (qualified)
  2. {{flagicon|SUI}} Viktorija Golubic (qualified)
  3. {{flagicon|ESP}} Aliona Bolsova (first round)
  4. {{flagicon|ITA}} Sara Errani (first round)
  5. {{flagicon|BEL}} Greet Minnen (withdrew)
  6. {{flagicon|USA}} Kristie Ahn (first round)
  7. {{flagicon|EGY}} Mayar Sherif (qualified)
  8. {{flagicon|GER}} Anna-Lena Friedsam (first round)
  9. {{flagicon|POL}} Katarzyna Kawa (first round)
  10. {{flagicon|RUS}} Anna Kalinskaya (qualified)
  11. {{flagicon|CHN}} Wang Xiyu (first round)
  12. {{flagicon|ROU}} Irina Bara (first round)

}}

=Qualifiers=

{{columns-list|colwidth=30em|

  1. {{flagicon|SLO}} Kaja Juvan
  2. {{flagicon|SUI}} Viktorija Golubic
  3. {{flagicon|UKR}} Lesia Tsurenko
  4. {{flagicon|COL}} Camila Osorio
  5. {{flagicon|RUS}} Anna Kalinskaya
  6. {{flagicon|EGY}} Mayar Sherif

}}

=Lucky losers=

{{columns-list|colwidth=30em|

  1. {{flagicon|SVK}} Kristína Kučová
  2. {{flagicon|GBR}} Harriet Dart

}}

=Qualifying draw=

==First qualifier==

{{4TeamBracket-Tennis3

| RD1=First round

| RD2=Qualifying competition

|team-width=175

| RD1-seed1=1

| RD1-team1={{flagicon|SLO}} Kaja Juvan

| RD1-score1-1=6

| RD1-score1-2=4

| RD1-score1-3=6

| RD1-seed2=

| RD1-team2={{flagicon|BLR}} Olga Govortsova

| RD1-score2-1=2

| RD1-score2-2=6

| RD1-score2-3=2

| RD1-seed3=Alt

| RD1-team3={{flagicon|JPN}} Kurumi Nara

| RD1-score3-1=6

| RD1-score3-2=6

| RD1-score3-3=

| RD1-seed4=12

| RD1-team4={{flagicon|ROU}} Irina Bara

| RD1-score4-1=1

| RD1-score4-2=0

| RD1-score4-3=

| RD2-seed1=1

| RD2-team1={{flagicon|SLO}} Kaja Juvan

| RD2-score1-1=6

| RD2-score1-2=6

| RD2-score1-3=

| RD2-seed2=Alt

| RD2-team2={{flagicon|JPN}} Kurumi Nara

| RD2-score2-1=1

| RD2-score2-2=1

| RD2-score2-3=

}}

==Second qualifier==

{{4TeamBracket-Tennis3

| RD1=First round

| RD2=Qualifying competition

|team-width=175

| RD1-seed1=2

| RD1-team1={{flagicon|SUI}} Viktorija Golubic

| RD1-score1-1=6

| RD1-score1-2=6

| RD1-score1-3=

| RD1-seed2=WC

| RD1-team2={{flagicon|MEX}} Ana Sofía Sánchez

| RD1-score2-1=0

| RD1-score2-2=1

| RD1-score2-3=

| RD1-seed3=

| RD1-team3={{flagicon|SUI}} Leonie Küng

| RD1-score3-1=6

| RD1-score3-2=6

| RD1-score3-3=

| RD1-seed4=8

| RD1-team4={{flagicon|GER}} Anna-Lena Friedsam

| RD1-score4-1=1

| RD1-score4-2=2

| RD1-score4-3=

| RD2-seed1=2

| RD2-team1={{flagicon|SUI}} Viktorija Golubic

| RD2-score1-1=6

| RD2-score1-2=77

| RD2-score1-3=

| RD2-seed2= 

| RD2-team2={{flagicon|SUI}} Leonie Küng

| RD2-score2-1=3

| RD2-score2-2=63

| RD2-score2-3=

}}

==Third qualifier==

{{4TeamBracket-Tennis3

| RD1=First round

| RD2=Qualifying competition

|team-width=175

| RD1-seed1=3

| RD1-team1={{flagicon|ESP}} Aliona Bolsova

| RD1-score1-1=3

| RD1-score1-2=5

| RD1-score1-3=

| RD1-seed2=

| RD1-team2={{flagicon|SVK}} Kristína Kučová

| RD1-score2-1=6

| RD1-score2-2=7

| RD1-score2-3=

| RD1-seed3=

| RD1-team3={{flagicon|UKR}} Lesia Tsurenko

| RD1-score3-1=6

| RD1-score3-2=6

| RD1-score3-3=

| RD1-seed4=9

| RD1-team4={{flagicon|POL}} Katarzyna Kawa

| RD1-score4-1=4

| RD1-score4-2=3

| RD1-score4-3=

| RD2-seed1= 

| RD2-team1={{flagicon|SVK}} Kristína Kučová

| RD2-score1-1=3

| RD2-score1-2=2

| RD2-score1-3=

| RD2-seed2=

| RD2-team2={{flagicon|UKR}} Lesia Tsurenko

| RD2-score2-1=6

| RD2-score2-2=6

| RD2-score2-3=

}}

==Fourth qualifier==

{{4TeamBracket-Tennis3

| RD1=First round

| RD2=Qualifying competition

|team-width=175

| RD1-seed1=4

| RD1-team1={{flagicon|ITA}} Sara Errani

| RD1-score1-1=0

| RD1-score1-2=2

| RD1-score1-3=

| RD1-seed2=

| RD1-team2={{flagicon|GBR}} Harriet Dart

| RD1-score2-1=6

| RD1-score2-2=6

| RD1-score2-3=

| RD1-seed3=WC

| RD1-team3={{flagicon|COL}} Camila Osorio

| RD1-score3-1=77

| RD1-score3-2=4

| RD1-score3-3=6

| RD1-seed4=11

| RD1-team4={{flagicon|CHN}} Wang Xiyu

| RD1-score4-1=62

| RD1-score4-2=6

| RD1-score4-3=2

| RD2-seed1= 

| RD2-team1={{flagicon|GBR}} Harriet Dart

| RD2-score1-1=4

| RD2-score1-2=5

| RD2-score1-3=

| RD2-seed2=WC

| RD2-team2={{flagicon|COL}} Camila Osorio

| RD2-score2-1=6

| RD2-score2-2=7

| RD2-score2-3=

}}

==Fifth qualifier==

{{4TeamBracket-Tennis3

| RD1=First round

| RD2=Qualifying competition

|team-width=175

| RD1-seed1=Alt

| RD1-team1={{flagicon|ESP}} Lara Arruabarrena

| RD1-score1-1=6

| RD1-score1-2=6

| RD1-score1-3=

| RD1-seed2=

| RD1-team2={{flagicon|ITA}} Elisabetta Cocciaretto

| RD1-score2-1=2

| RD1-score2-2=4

| RD1-score2-3=

| RD1-seed3=WC

| RD1-team3={{flagicon|MEX}} Fernanda Contreras

| RD1-score3-1=2

| RD1-score3-2=1

| RD1-score3-3=

| RD1-seed4=10

| RD1-team4={{flagicon|RUS}} Anna Kalinskaya

| RD1-score4-1=6

| RD1-score4-2=6

| RD1-score4-3=

| RD2-seed1=Alt

| RD2-team1={{flagicon|ESP}} Lara Arruabarrena

| RD2-score1-1=4

| RD2-score1-2=3

| RD2-score1-3=

| RD2-seed2=10

| RD2-team2={{flagicon|RUS}} Anna Kalinskaya

| RD2-score2-1=6

| RD2-score2-2=6

| RD2-score2-3=

}}

==Sixth qualifier==

{{4TeamBracket-Tennis3

| RD1=First round

| RD2=Qualifying competition

|team-width=175

| RD1-seed1=6

| RD1-team1={{flagicon|USA}} Kristie Ahn

| RD1-score1-1=4

| RD1-score1-2=65

| RD1-score1-3=

| RD1-seed2=

| RD1-team2={{flagicon|USA}} Usue Maitane Arconada

| RD1-score2-1=6

| RD1-score2-2=77

| RD1-score2-3=

| RD1-seed3=WC

| RD1-team3={{flagicon|MEX}} Marcela Zacarías

| RD1-score3-1=3

| RD1-score3-2=60

| RD1-score3-3=

| RD1-seed4=7

| RD1-team4={{flagicon|EGY}} Mayar Sherif

| RD1-score4-1=6

| RD1-score4-2=77

| RD1-score4-3=

| RD2-seed1= 

| RD2-team1={{flagicon|USA}} Usue Maitane Arconada

| RD2-score1-1=3

| RD2-score1-2=4

| RD2-score1-3=

| RD2-seed2=7

| RD2-team2={{flagicon|EGY}} Mayar Sherif

| RD2-score2-1=6

| RD2-score2-2=6

| RD2-score2-3=

}}

References

{{reflist}}