2021 Erste Bank Open – Singles
{{one source|date=January 2022}}
{{Tennis events|2021|Erste Bank Open|
| champ = {{flagicon|GER}} Alexander Zverev
| runner = {{flagicon|USA}} Frances Tiafoe
| score = 7–5, 6–4
| draw = 32 (4{{abbr| Q | Qualifiers}} / 3{{abbr| WC | Wild Cards}})
| seeds = 8
| type = singles doubles
| before_name = Erste Bank Open – Singles
| after_name = Erste Bank Open – Singles
| main_name = Vienna Open
}}
{{main|2021 Erste Bank Open}}
Andrey Rublev was the defending champion,{{cite web|url=https://www.atptour.com/en/news/rublev-sonego-vienna-2020-singles-final|title=Rublev Claims Fifth Title Of 2020 In Vienna|website=ATP Tour|date=1 November 2020}} but chose to compete in St. Petersburg instead.
Alexander Zverev won the title, defeating Frances Tiafoe in the final, 7–5, 6–4.
Seeds
{{columns-list|colwidth=30em|
- {{flagicon|GRE}} Stefanos Tsitsipas (second round)
- {{flagicon|GER}} Alexander Zverev (champion)
- {{flagicon|ITA}} Matteo Berrettini (quarterfinals)
- {{flagicon|NOR}} Casper Ruud (quarterfinals)
- {{flagicon|POL}} Hubert Hurkacz (first round)
- {{flagicon|CAN}} Félix Auger-Aliassime (quarterfinals)
- {{flagicon|ITA}} Jannik Sinner (semifinals)
- {{flagicon|ARG}} Diego Schwartzman (quarterfinals)
}}
Draw
{{Draw key}}
=Finals=
{{4TeamBracket-Tennis3
| RD1=Semifinals
| RD2=Final
| team-width=175
| RD1-seed1=Q
| RD1-team1={{flagicon|USA}} Frances Tiafoe
| RD1-score1-1=3
| RD1-score1-2=7
| RD1-score1-3=6
| RD1-seed2=7
| RD1-team2={{flagicon|ITA}} Jannik Sinner
| RD1-score2-1=6
| RD1-score2-2=5
| RD1-score2-3=2
| RD1-seed3=
| RD1-team3={{flagicon|ESP}} Carlos Alcaraz
| RD1-score3-1=3
| RD1-score3-2=3
| RD1-score3-3=
| RD1-seed4=2
| RD1-team4={{flagicon|GER}} Alexander Zverev
| RD1-score4-1=6
| RD1-score4-2=6
| RD1-score4-3=
| RD2-seed1=Q
| RD2-team1={{flagicon|USA}} Frances Tiafoe
| RD2-score1-1=5
| RD2-score1-2=4
| RD2-score1-3=
| RD2-seed2=2
| RD2-team2={{flagicon|GER}} Alexander Zverev
| RD2-score2-1=7
| 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|GRE}} S Tsitsipas
| RD1-score01-1=78
| RD1-score01-2=6
| RD1-score01-3=
| RD1-seed02=
| RD1-team02={{flagicon|BUL}} G Dimitrov
| RD1-score02-1=66
| RD1-score02-2=4
| RD1-score02-3=
| RD1-seed03=
| RD1-team03={{flagicon|SRB}} D Lajović
| RD1-score03-1=4
| RD1-score03-2=4
| RD1-score03-3=
| RD1-seed04=Q
| RD1-team04={{flagicon|USA}} F Tiafoe
| RD1-score04-1=6
| RD1-score04-2=6
| RD1-score04-3=
| RD1-seed05=
| RD1-team05={{flagicon|FRA}} G Monfils
| RD1-score05-1=77
| RD1-score05-2=6
| RD1-score05-3=
| RD1-seed06=WC
| RD1-team06={{flagicon|ITA}} L Musetti
| RD1-score06-1=62
| RD1-score06-2=4
| RD1-score06-3=
| RD1-seed07=
| RD1-team07={{flagicon|ITA}} F Fognini
| RD1-score07-1=2
| RD1-score07-2=5
| RD1-score07-3=
| RD1-seed08=8
| RD1-team08={{flagicon|ARG}} D Schwartzman
| RD1-score08-1=6
| RD1-score08-2=7
| RD1-score08-3=
| RD1-seed09=4
| RD1-team09={{flagicon|NOR}} C Ruud
| RD1-score09-1=7
| RD1-score09-2=77
| RD1-score09-3=
| RD1-seed10=
| RD1-team10={{flagicon|RSA}} L Harris
| RD1-score10-1=5
| RD1-score10-2=62
| RD1-score10-3=
| RD1-seed11=
| RD1-team11={{flagicon|ITA}} L Sonego
| RD1-score11-1=6
| RD1-score11-2=6
| RD1-score11-3=
| RD1-seed12=LL
| RD1-team12={{flagicon|GER}} D Koepfer
| RD1-score12-1=4
| RD1-score12-2=3
| RD1-score12-3=
| RD1-seed13=WC
| RD1-team13={{flagicon|AUT}} D Novak
| RD1-score13-1=77
| RD1-score13-2=77
| RD1-score13-3=
| RD1-seed14=Q
| RD1-team14={{flagicon|ITA}} G Mager
| RD1-score14-1=64
| RD1-score14-2=64
| RD1-score14-3=
| RD1-seed15=
| RD1-team15={{flagicon|USA}} R Opelka
| RD1-score15-1=4
| RD1-score15-2=2
| RD1-score15-3=
| RD1-seed16=7
| RD1-team16={{flagicon|ITA}} J Sinner
| RD1-score16-1=6
| RD1-score16-2=6
| RD1-score16-3=
| RD2-seed01=1
| RD2-team01={{flagicon|GRE}} S Tsitsipas
| RD2-score01-1=6
| RD2-score01-2=3
| RD2-score01-3=4
| RD2-seed02=Q
| RD2-team02={{flagicon|USA}} F Tiafoe
| RD2-score02-1=3
| RD2-score02-2=6
| RD2-score02-3=6
| RD2-seed03=
| RD2-team03={{flagicon|FRA}} G Monfils
| RD2-score03-1=65
| RD2-score03-2=6
| RD2-score03-3=2
| RD2-seed04=8
| RD2-team04={{flagicon|ARG}} D Schwartzman
| RD2-score04-1=77
| RD2-score04-2=4
| RD2-score04-3=6
| RD2-seed05=4
| RD2-team05={{flagicon|NOR}} C Ruud
| RD2-score05-1=7
| RD2-score05-2=4
| RD2-score05-3=6
| RD2-seed06=
| RD2-team06={{flagicon|ITA}} L Sonego
| RD2-score06-1=5
| RD2-score06-2=6
| RD2-score06-3=4
| RD2-seed07=WC
| RD2-team07={{flagicon|AUT}} D Novak
| RD2-score07-1=4
| RD2-score07-2=2
| RD2-score07-3=
| RD2-seed08=7
| RD2-team08={{flagicon|ITA}} J Sinner
| RD2-score08-1=6
| RD2-score08-2=6
| RD2-score08-3=
| RD3-seed01=Q
| RD3-team01={{flagicon|USA}} F Tiafoe
| RD3-score01-1=6
| RD3-score01-2=78
| RD3-score01-3=
| RD3-seed02=8
| RD3-team02={{flagicon|ARG}} D Schwartzman
| RD3-score02-1=4
| RD3-score02-2=66
| RD3-score02-3=
| RD3-seed03=4
| RD3-team03={{flagicon|NOR}} C Ruud
| RD3-score03-1=5
| RD3-score03-2=1
| RD3-score03-3=
| RD3-seed04=7
| RD3-team04={{flagicon|ITA}} J Sinner
| RD3-score04-1=7
| RD3-score04-2=6
| RD3-score04-3=
| RD4-seed01=Q
| RD4-team01={{flagicon|USA}} F Tiafoe
| RD4-score01-1=3
| RD4-score01-2=7
| RD4-score01-3=6
| RD4-seed02=7
| RD4-team02={{flagicon|ITA}} J Sinner
| RD4-score02-1=6
| RD4-score02-2=5
| RD4-score02-3=2
}}
=Bottom half=
{{16TeamBracket-Compact-Tennis3
| RD1=First round
| RD2=Second round
| RD3=Quarterfinals
| RD4=Semifinals
| RD1-seed01=5
| RD1-team01={{flagicon|POL}} H Hurkacz
| RD1-score01-1=4
| RD1-score01-2=78
| RD1-score01-3=3
| RD1-seed02=WC
| RD1-team02={{flagicon|GBR}} A Murray
| RD1-score02-1=6
| RD1-score02-2=66
| RD1-score02-3=6
| RD1-seed03=
| RD1-team03={{flagicon|ESP}} C Alcaraz
| RD1-score03-1=6
| RD1-score03-2=6
| RD1-score03-3=
| RD1-seed04=
| RD1-team04={{flagicon|GBR}} D Evans
| RD1-score04-1=4
| RD1-score04-2=3
| RD1-score04-3=
| RD1-seed05=
| RD1-team05={{flagicon|GEO}} N Basilashvili
| RD1-score05-1=7
| RD1-score05-2=4
| RD1-score05-3=6
| RD1-seed06=
| RD1-team06={{flagicon|ESP}} P Carreño Busta
| RD1-score06-1=5
| RD1-score06-2=6
| RD1-score06-3=3
| RD1-seed07=Q
| RD1-team07={{flagicon|AUS}} A Popyrin
| RD1-score07-1=63
| RD1-score07-2=3
| RD1-score07-3=
| RD1-seed08=3
| RD1-team08={{flagicon|ITA}} M Berrettini
| RD1-score08-1=77
| RD1-score08-2=6
| RD1-score08-3=
| RD1-seed09=6
| RD1-team09={{flagicon|CAN}} F Auger-Aliassime
| RD1-score09-1=6
| RD1-score09-2=6
| RD1-score09-3=
| RD1-seed10=SE
| RD1-team10={{flagicon|LTU}} R Berankis
| RD1-score10-1=3
| RD1-score10-2=2
| RD1-score10-3=
| RD1-seed11=
| RD1-team11={{flagicon|GBR}} C Norrie
| RD1-score11-1=77
| RD1-score11-2=6
| RD1-score11-3=
| RD1-seed12=
| RD1-team12={{flagicon|HUN}} M Fucsovics
| RD1-score12-1=64
| RD1-score12-2=1
| RD1-score12-3=
| RD1-seed13=
| RD1-team13={{flagicon|AUS}} A de Minaur
| RD1-score13-1=6
| RD1-score13-2=77
| RD1-score13-3=
| RD1-seed14=Q
| RD1-team14={{flagicon|RSA}} K Anderson
| RD1-score14-1=3
| RD1-score14-2=63
| RD1-score14-3=
| RD1-seed15=
| RD1-team15={{flagicon|SRB}} F Krajinović
| RD1-score15-1=2
| RD1-score15-2=5
| RD1-score15-3=
| RD1-seed16=2
| RD1-team16={{flagicon|GER}} A Zverev
| RD1-score16-1=6
| RD1-score16-2=7
| RD1-score16-3=
| RD2-seed01=WC
| RD2-team01={{flagicon|GBR}} A Murray
| RD2-score01-1=3
| RD2-score01-2=4
| RD2-score01-3=
| RD2-seed02=
| RD2-team02={{flagicon|ESP}} C Alcaraz
| RD2-score02-1=6
| RD2-score02-2=6
| RD2-score02-3=
| RD2-seed03=
| RD2-team03={{flagicon|GEO}} N Basilashvili
| RD2-score03-1=77
| RD2-score03-2=2
| RD2-score03-3=3
| RD2-seed04=3
| RD2-team04={{flagicon|ITA}} M Berrettini
| RD2-score04-1=65
| RD2-score04-2=6
| RD2-score04-3=6
| RD2-seed05=6
| RD2-team05={{flagicon|CAN}} F Auger-Aliassime
| RD2-score05-1=2
| RD2-score05-2=78
| RD2-score05-3=6
| RD2-seed06=
| RD2-team06={{flagicon|GBR}} C Norrie
| RD2-score06-1=6
| RD2-score06-2=66
| RD2-score06-3=4
| RD2-seed07=
| RD2-team07={{flagicon|AUS}} A de Minaur
| RD2-score07-1=2
| RD2-score07-2=6
| RD2-score07-3=2
| RD2-seed08=2
| RD2-team08={{flagicon|GER}} A Zverev
| RD2-score08-1=6
| RD2-score08-2=3
| RD2-score08-3=6
| RD3-seed01=
| RD3-team01={{flagicon|ESP}} C Alcaraz
| RD3-score01-1=6
| RD3-score01-2=62
| RD3-score01-3=77
| RD3-seed02=3
| RD3-team02={{flagicon|ITA}} M Berrettini
| RD3-score02-1=1
| RD3-score02-2=77
| RD3-score02-3=65
| RD3-seed03=6
| RD3-team03={{flagicon|CAN}} F Auger-Aliassime
| RD3-score03-1=4
| RD3-score03-2=6
| RD3-score03-3=3
| RD3-seed04=2
| RD3-team04={{flagicon|GER}} A Zverev
| RD3-score04-1=6
| RD3-score04-2=3
| RD3-score04-3=6
| RD4-seed01=
| RD4-team01={{flagicon|ESP}} C Alcaraz
| RD4-score01-1=3
| RD4-score01-2=3
| RD4-score01-3=
| RD4-seed02=2
| RD4-team02={{flagicon|GER}} A Zverev
| RD4-score02-1=6
| RD4-score02-2=6
| RD4-score02-3=
}}
Qualifying
=Seeds=
{{columns-list|colwidth=30em|
- {{flagicon|USA}} Frances Tiafoe (qualified)
- {{flagicon|USA}} Marcos Giron (first round)
- {{flagicon|RSA}} Kevin Anderson (qualified)
- {{flagicon|GER}} Dominik Koepfer (qualifying competition, lucky loser)
- {{flagicon|ITA}} Gianluca Mager (qualified)
- {{flagicon|AUS}} Alexei Popyrin (qualified)
- {{flagicon|ESP}} Roberto Carballés Baena (qualifying competition)
- {{flagicon|GER}} Peter Gojowczyk (first round)
}}
=Qualifiers=
{{columns-list|colwidth=30em|
- {{flagicon|USA}} Frances Tiafoe
- {{flagicon|AUS}} Alexei Popyrin
- {{flagicon|RSA}} Kevin Anderson
- {{flagicon|ITA}} Gianluca Mager
}}
=Lucky loser=
=Qualifying draw=
==First qualifier==
{{4TeamBracket-Tennis3-v2
| RD1=First round
| RD2=Qualifying competition
|team-width=175
| RD1-seed1=1
| RD1-team1={{flagicon|USA}} Frances Tiafoe
| RD1-score1-1=6
| RD1-score1-2=3
| RD1-score1-3=6
| RD1-seed2=
| RD1-team2={{flagicon|SVK}} Alex Molčan
| RD1-score2-1=4
| RD1-score2-2=6
| RD1-score2-3=1
| RD1-seed3=WC
| RD1-team3={{flagicon|AUT}} Lucas Miedler
| RD1-score3-1=77
| RD1-score3-2=6
| RD1-score3-3=
| RD1-seed4=8
| RD1-team4={{flagicon|GER}} Peter Gojowczyk
| RD1-score4-1=64
| RD1-score4-2=2
| RD1-score4-3=
| RD2-seed1=1
| RD2-team1={{flagicon|USA}} Frances Tiafoe
| RD2-score1-1=65
| RD2-score1-2=6
| RD2-score1-3=6
| RD2-seed2=WC
| RD2-team2={{flagicon|AUT}} Lucas Miedler
| RD2-score2-1=77
| RD2-score2-2=4
| RD2-score2-3=3
}}
==Second qualifier==
{{4TeamBracket-Tennis3-v2
| RD1=First round
| RD2=Qualifying competition
|team-width=175
| RD1-seed1=2
| RD1-team1={{flagicon|USA}} Marcos Giron
| RD1-score1-1=65
| RD1-score1-2=4
| RD1-score1-3=
| RD1-seed2=
| RD1-team2={{flagicon|SVK}} Norbert Gombos
| RD1-score2-1=77
| RD1-score2-2=6
| RD1-score2-3=
| RD1-seed3=
| RD1-team3={{flagicon|ESP}} Feliciano López
| RD1-score3-1=5
| RD1-score3-2=68
| RD1-score3-3=
| RD1-seed4=6
| RD1-team4={{flagicon|AUS}} Alexei Popyrin
| RD1-score4-1=7
| RD1-score4-2=710
| RD1-score4-3=
| RD2-seed1=
| RD2-team1={{flagicon|SVK}} Norbert Gombos
| RD2-score1-1=63
| RD2-score1-2=77
| RD2-score1-3=5
| RD2-seed2=6
| RD2-team2={{flagicon|AUS}} Alexei Popyrin
| RD2-score2-1=77
| RD2-score2-2=60
| RD2-score2-3=7
}}
==Third qualifier==
{{4TeamBracket-Tennis3-v2
| RD1=First round
| RD2=Qualifying competition
|team-width=175
| RD1-seed1=3
| RD1-team1={{flagicon|RSA}} Kevin Anderson
| RD1-score1-1=6
| RD1-score1-2=6
| RD1-score1-3=
| RD1-seed2=Alt
| RD1-team2={{flagicon|AUT}} Jurij Rodionov
| RD1-score2-1=1
| RD1-score2-2=4
| RD1-score2-3=
| RD1-seed3=WC
| RD1-team3={{flagicon|SUI}} Dominic Stricker
| RD1-score3-1=4
| RD1-score3-2=6
| RD1-score3-3=1
| RD1-seed4=7
| RD1-team4={{flagicon|ESP}} Roberto Carballés Baena
| RD1-score4-1=6
| RD1-score4-2=3
| RD1-score4-3=6
| RD2-seed1=3
| RD2-team1={{flagicon|RSA}} Kevin Anderson
| RD2-score1-1=7
| RD2-score1-2=4
| RD2-score1-3=77
| RD2-seed2=7
| RD2-team2={{flagicon|ESP}} Roberto Carballés Baena
| RD2-score2-1=5
| RD2-score2-2=6
| RD2-score2-3=65
}}
==Fourth qualifier==
{{4TeamBracket-Tennis3-v2
| RD1=First round
| RD2=Qualifying competition
|team-width=175
| RD1-seed1=4
| RD1-team1={{flagicon|GER}} Dominik Koepfer
| RD1-score1-1=78
| RD1-score1-2=6
| RD1-score1-3=
| RD1-seed2=Alt
| RD1-team2={{flagicon|AUS}} Alex Bolt
| RD1-score2-1=66
| RD1-score2-2=1
| RD1-score2-3=
| RD1-seed3=WC
| RD1-team3={{flagicon|AUT}} Alexander Erler
| RD1-score3-1=77
| RD1-score3-2=2
| RD1-score3-3=4
| RD1-seed4=5
| RD1-team4={{flagicon|ITA}} Gianluca Mager
| RD1-score4-1=62
| RD1-score4-2=6
| RD1-score4-3=6
| RD2-seed1=4
| RD2-team1={{flagicon|GER}} Dominik Koepfer
| RD2-score1-1=3
| RD2-score1-2=6
| RD2-score1-3=3
| RD2-seed2=5
| RD2-team2={{flagicon|ITA}} Gianluca Mager
| RD2-score2-1=6
| RD2-score2-2=3
| RD2-score2-3=6
}}
References
{{reflist}}
External links
- [http://www.protennislive.com/posting/2021/337/mds.pdf Main draw]
- [http://www.protennislive.com/posting/2021/337/qs.pdf Qualifying draw]
{{2021 ATP Tour}}
{{DEFAULTSORT:2021 Erste Bank Open - Singles}}