2021 Serbia Open – Men's singles
{{Infobox tennis tournament event|2021|Serbia Open|
| defchamp =
| champ ={{flagicon|ITA}} Matteo Berrettini
| runner ={{flagicon|RUS}} Aslan Karatsev
| score =6–1, 3–6, 7–6(7–0)
| edition = 5th
| before_year = 2012
| after_name = Serbia Open – Singles
|draw=28 (4 Q/ 3 WC)|seeds=8}}
{{main article|2021 Serbia Open}}
Matteo Berrettini defeated Aslan Karatsev in the final, 6–1, 3–6, 7–6(7–0) to win the men's singles tennis title at the 2021 Serbia Open.{{cite web| title=Berrettini Battles Past Karatsev For Belgrade Title | url=https://www.atptour.com/en/news/berrettini-karatsev-belgrade-2021-sunday-final | website = atpworldtour.com | publisher = ATP | date = 25 April 2021 | accessdate = 29 April 2021}}
Andreas Seppi was the reigning champion from when the event was last held in 2012, but he decided not to participate this year.{{cite web|url=https://www.atptour.com/en/news/budapest-tournament-relocates-to-belgrade-2021|title=ATP Tour To Return To Belgrade In 2021, Following Budapest Relocation|website=ATP Tour|date=20 January 2021}}
Seeds
The top four seeds received a bye into the second round.
{{columns-list|colwidth=30em|
- {{flagicon|SRB}} Novak Djokovic (semifinals)
- {{flagicon|ITA}} Matteo Berrettini (champion)
- {{flagicon|RUS}} Aslan Karatsev (final)
- {{flagicon|SRB}} Dušan Lajović (second round)
- {{flagicon|SRB}} Filip Krajinović (quarterfinals)
- {{flagicon|HUN}} Márton Fucsovics (withdrew)
- {{flagicon|AUS}} John Millman (second round)
- {{flagicon|SRB}} Miomir Kecmanović (quarterfinals)
- {{flagicon|SRB}} Laslo Đere (first round)
}}
Draw
{{Draw key}}
=Finals=
{{4TeamBracket-Tennis3-v2
| RD1=Semifinals
| RD2=Final
| team-width=175
| RD1-seed1=1
| RD1-team1={{flagicon|SRB}} Novak Djokovic
| RD1-score1-1=5
| RD1-score1-2=6
| RD1-score1-3=4
| RD1-seed2=3
| RD1-team2={{flagicon|RUS}} Aslan Karatsev
| RD1-score2-1=7
| RD1-score2-2=4
| RD1-score2-3=6
| RD1-seed3=LL
| RD1-team3={{flagicon|JPN}} Taro Daniel
| RD1-score3-1=1
| RD1-score3-2=77
| RD1-score3-3=0
| RD1-seed4=2
| RD1-team4={{flagicon|ITA}} Matteo Berrettini
| RD1-score4-1=6
| RD1-score4-2=65
| RD1-score4-3=6
| RD2-seed1=3
| RD2-team1={{flagicon|RUS}} Aslan Karatsev
| RD2-score1-1=1
| RD2-score1-2=6
| RD2-score1-3=60
| RD2-seed2=2
| RD2-team2={{flagicon|ITA}} Matteo Berrettini
| RD2-score2-1=6
| RD2-score2-2=3
| RD2-score2-3=77
}}
=Top half=
{{16TeamBracket-Compact-Tennis3-Byes
| RD1=First round
| RD2=Second round
| RD3=Quarterfinals
| RD4=Semifinals
| RD1-seed03=
| RD1-team03={{flagicon|KOR}} S-w Kwon
| RD1-score03-1=6
| RD1-score03-2=7
| RD1-score03-3=
| RD1-seed04=LL
| RD1-team04={{flagicon|ESP}} R Carballés Baena
| RD1-score04-1=3
| RD1-score04-2=5
| RD1-score04-3=
| RD1-seed05=Q
| RD1-team05={{flagicon|FRA}} A Rinderknech
| RD1-score05-1=6
| RD1-score05-2=7
| RD1-score05-3=
| RD1-seed06=
| RD1-team06={{flagicon|ARG}} JI Londero
| RD1-score06-1=1
| RD1-score06-2=5
| RD1-score06-3=
| RD1-seed07=Q
| RD1-team07={{flagicon|ARG}} F Bagnis
| RD1-score07-1=65
| RD1-score07-2=64
| RD1-score07-3=
| RD1-seed08=8
| RD1-team08={{flagicon|SRB}} M Kecmanović
| RD1-score08-1=77
| RD1-score08-2=77
| RD1-score08-3=
| RD1-seed11=
| RD1-team11={{flagicon|USA}} S Korda
| RD1-score11-1=5
| RD1-score11-2=6
| RD1-score11-3=65
| RD1-seed12=
| RD1-team12={{flagicon|SLO}} A Bedene
| RD1-score12-1=7
| RD1-score12-2=1
| RD1-score12-3=77
| RD1-seed13=Q
| RD1-team13={{flagicon|ARG}} F Cerúndolo
| RD1-score13-1=6
| RD1-score13-2=65
| RD1-score13-3=66
| RD1-seed14=
| RD1-team14={{flagicon|AUS}} A Popyrin
| RD1-score14-1=4
| RD1-score14-2=77
| RD1-score14-3=78
| RD1-seed15=Q
| RD1-team15={{flagicon|ITA}} G Mager
| RD1-score15-1=6
| RD1-score15-2=6
| RD1-score15-3=
| RD1-seed16=9
| RD1-team16={{flagicon|SRB}} L Đere
| RD1-score16-1=4
| RD1-score16-2=3
| RD1-score16-3=
| RD2-seed01=1
| RD2-team01={{flagicon|SRB}} N Djokovic
| RD2-score01-1=6
| RD2-score01-2=6
| RD2-score01-3=
| RD2-seed02=
| RD2-team02={{flagicon|KOR}} S-w Kwon
| RD2-score02-1=1
| RD2-score02-2=3
| RD2-score02-3=
| RD2-seed03=Q
| RD2-team03={{flagicon|FRA}} A Rinderknech
| RD2-score03-1=3
| RD2-score03-2=6
| RD2-score03-3=3
| RD2-seed04=8
| RD2-team04={{flagicon|SRB}} M Kecmanović
| RD2-score04-1=6
| RD2-score04-2=3
| RD2-score04-3=6
| RD2-seed05=3
| RD2-team05={{flagicon|RUS}} A Karatsev
| RD2-score05-1=6
| RD2-score05-2=4
| RD2-score05-3=77
| RD2-seed06=
| RD2-team06={{flagicon|SLO}} A Bedene
| RD2-score06-1=3
| RD2-score06-2=6
| RD2-score06-3=65
| RD2-seed07=
| RD2-team07={{flagicon|AUS}} A Popyrin
| RD2-score07-1=5
| RD2-score07-2=2
| RD2-score07-3=
| RD2-seed08=Q
| RD2-team08={{flagicon|ITA}} G Mager
| RD2-score08-1=7
| RD2-score08-2=6
| RD2-score08-3=
| RD3-seed01=1
| RD3-team01={{flagicon|SRB}} N Djokovic
| RD3-score01-1=6
| RD3-score01-2=6
| RD3-score01-3=
| RD3-seed02=8
| RD3-team02={{flagicon|SRB}} M Kecmanović
| RD3-score02-1=1
| RD3-score02-2=3
| RD3-score02-3=
| RD3-seed03=3
| RD3-team03={{flagicon|RUS}} A Karatsev
| RD3-score03-1=6
| RD3-score03-2=6
| RD3-score03-3=
| RD3-seed04=Q
| RD3-team04={{flagicon|ITA}} G Mager
| RD3-score04-1=3
| RD3-score04-2=4
| RD3-score04-3=
| RD4-seed01=1
| RD4-team01={{flagicon|SRB}} N Djokovic
| RD4-score01-1=5
| RD4-score01-2=6
| RD4-score01-3=4
| RD4-seed02=3
| RD4-team02={{flagicon|RUS}} A Karatsev
| RD4-score02-1=7
| RD4-score02-2=4
| RD4-score02-3=6
}}
=Bottom half=
{{16TeamBracket-Compact-Tennis3-Byes
| RD1=First round
| RD2=Second round
| RD3=Quarterfinals
| RD4=Semifinals
| RD1-seed01=7
| RD1-team01={{flagicon|AUS}} J Millman
| RD1-score01-1=7
| RD1-score01-2=6
| RD1-score01-3=
| RD1-seed02=WC
| RD1-team02={{flagicon|SRB}} D Petrović
| RD1-score02-1=5
| RD1-score02-2=4
| RD1-score02-3=
| RD1-seed03=LL
| RD1-team03={{flagicon|POR}} J Sousa
| RD1-score03-1=5
| RD1-score03-2=3
| RD1-score03-3=
| RD1-seed04=LL
| RD1-team04={{flagicon|JPN}} T Daniel
| RD1-score04-1=7
| RD1-score04-2=6
| RD1-score04-3=
| RD1-seed05=
| RD1-team05={{flagicon|LTU}} R Berankis
| RD1-score05-1=4
| RD1-score05-2=6
| RD1-score05-3=1
| RD1-seed06=
| RD1-team06={{flagicon|ARG}} F Delbonis
| RD1-score06-1=6
| RD1-score06-2=3
| RD1-score06-3=6
| RD1-seed09=5
| RD1-team09={{flagicon|SRB}} F Krajinović
| RD1-score09-1=7
| RD1-score09-2=5
| RD1-score09-3=6
| RD1-seed10=
| RD1-team10={{flagicon|ITA}} S Travaglia
| RD1-score10-1=5
| RD1-score10-2=7
| RD1-score10-3=3
| RD1-seed11=WC
| RD1-team11={{flagicon|SRB}} N Milojević
| RD1-score11-1=6
| RD1-score11-2=6
| RD1-score11-3=
| RD1-seed12=
| RD1-team12={{flagicon|ARG}} F Coria
| RD1-score12-1=4
| RD1-score12-2=0
| RD1-score12-3=
| RD1-seed13=WC
| RD1-team13={{flagicon|SRB}} V Troicki
| RD1-score13-1=1
| RD1-score13-2=4
| RD1-score13-3=
| RD1-seed14=
| RD1-team14={{flagicon|ITA}} M Cecchinato
| RD1-score14-1=6
| RD1-score14-2=6
| RD1-score14-3=
| RD2-seed01=7
| RD2-team01={{flagicon|AUS}} J Millman
| RD2-score01-1=6
| RD2-score01-2=2
| RD2-score01-3=3
| RD2-seed02=LL
| RD2-team02={{flagicon|JPN}} T Daniel
| RD2-score02-1=3
| RD2-score02-2=6
| RD2-score02-3=6
| RD2-seed03=
| RD2-team03={{flagicon|ARG}} F Delbonis
| RD2-score03-1=6
| RD2-score03-2=2
| RD2-score03-3=6
| RD2-seed04=4
| RD2-team04={{flagicon|SRB}} D Lajović
| RD2-score04-1=3
| RD2-score04-2=6
| RD2-score04-3=4
| RD2-seed05=5
| RD2-team05={{flagicon|SRB}} F Krajinović
| RD2-score05-1=6
| RD2-score05-2=6
| RD2-score05-3=
| RD2-seed06=WC
| RD2-team06={{flagicon|SRB}} N Milojević
| RD2-score06-1=1
| RD2-score06-2=1
| RD2-score06-3=
| RD2-seed07=
| RD2-team07={{flagicon|ITA}} M Cecchinato
| RD2-score07-1=4
| RD2-score07-2=3
| RD2-score07-3=
| RD2-seed08=2
| RD2-team08={{flagicon|ITA}} M Berrettini
| RD2-score08-1=6
| RD2-score08-2=6
| RD2-score08-3=
| RD3-seed01=LL
| RD3-team01={{flagicon|JPN}} T Daniel
| RD3-score01-1=4
| RD3-score01-2=6
| RD3-score01-3=7
| RD3-seed02=
| RD3-team02={{flagicon|ARG}} F Delbonis
| RD3-score02-1=6
| RD3-score02-2=1
| RD3-score02-3=5
| RD3-seed03=5
| RD3-team03={{flagicon|SRB}} F Krajinović
| RD3-score03-1=4
| RD3-score03-2=4
| RD3-score03-3=
| RD3-seed04=2
| RD3-team04={{flagicon|ITA}} M Berrettini
| RD3-score04-1=6
| RD3-score04-2=6
| RD3-score04-3=
| RD4-seed01=LL
| RD4-team01={{flagicon|JPN}} T Daniel
| RD4-score01-1=1
| RD4-score01-2=77
| RD4-score01-3=0
| RD4-seed02=2
| RD4-team02={{flagicon|ITA}} M Berrettini
| RD4-score02-1=6
| RD4-score02-2=65
| RD4-score02-3=6
}}
Qualifying
=Seeds=
{{columns-list|colwidth=30em|
- {{flagicon|ITA}} Gianluca Mager (qualified)
- {{flagicon|ARG}} Facundo Bagnis (qualified)
- {{flagicon|ESP}} Roberto Carballés Baena (qualifying competition, lucky loser)
- {{flagicon|POR}} João Sousa (qualifying competition, lucky loser)
- {{flagicon|JPN}} Yūichi Sugita (first round)
- {{flagicon|COL}} Daniel Elahi Galán (first round)
- {{flagicon|ARG}} Francisco Cerúndolo (qualified)
- {{flagicon|JPN}} Taro Daniel (qualifying competition, lucky loser)
}}
=Qualifiers=
{{columns-list|colwidth=30em|
- {{flagicon|ITA}} Gianluca Mager
- {{flagicon|ARG}} Facundo Bagnis
- {{flagicon|ARG}} Francisco Cerúndolo
- {{flagicon|FRA}} Arthur Rinderknech
}}
=Lucky losers=
{{columns-list|colwidth=30em|
- {{flagicon|ESP}} Roberto Carballés Baena
- {{flagicon|POR}} João Sousa
- {{flagicon|JPN}} Taro Daniel
}}
=Qualifying draw=
==First qualifier==
{{4TeamBracket-Tennis3-v2
| RD1=First round
| RD2=Qualifying competition
| team-width=175
| RD1-seed1=1
| RD1-team1={{flagicon|ITA}} Gianluca Mager
| RD1-score1-1=4
| RD1-score1-2=77
| RD1-score1-3=6
| RD1-seed2=
| RD1-team2={{flagicon|FRA}} Benjamin Bonzi
| RD1-score2-1=6
| RD1-score2-2=61
| RD1-score2-3=3
| RD1-seed3=WC
| RD1-team3={{flagicon|SRB}} Marko Miladinović
| RD1-score3-1=1
| RD1-score3-2=2
| RD1-score3-3=
| RD1-seed4=8
| RD1-team4={{flagicon|JPN}} Taro Daniel
| RD1-score4-1=6
| RD1-score4-2=6
| RD1-score4-3=
| RD2-seed1=1
| RD2-team1={{flagicon|ITA}} Gianluca Mager
| RD2-score1-1=6
| RD2-score1-2=4
| RD2-score1-3=6
| RD2-seed2=8
| RD2-team2={{flagicon|JPN}} Taro Daniel
| RD2-score2-1=1
| RD2-score2-2=6
| RD2-score2-3=4
}}
==Second qualifier==
{{4TeamBracket-Tennis3-v2
| RD1=First round
| RD2=Qualifying competition
| team-width=175
| RD1-seed1=2
| RD1-team1={{flagicon|ARG}} Facundo Bagnis
| RD1-score1-1=6
| RD1-score1-2=6
| RD1-score1-3=
| RD1-seed2=
| RD1-team2={{flagicon|RUS}} Evgeny Donskoy
| RD1-score2-1=3
| RD1-score2-2=2
| RD1-score2-3=
| RD1-seed3=WC
| RD1-team3={{flagicon|SRB}} Hamad Međedović
| RD1-score3-1=77
| RD1-score3-2=77
| RD1-score3-3=
| RD1-seed4=6
| RD1-team4={{flagicon|COL}} Daniel Elahi Galán
| RD1-score4-1=64
| RD1-score4-2=65
| RD1-score4-3=
| RD2-seed1=2
| RD2-team1={{flagicon|ARG}} Facundo Bagnis
| RD2-score1-1=6
| RD2-score1-2=6
| RD2-score1-3=
| RD2-seed2=WC
| RD2-team2={{flagicon|SRB}} Hamad Međedović
| RD2-score2-1=4
| RD2-score2-2=2
| RD2-score2-3=
}}
==Third qualifier==
{{4TeamBracket-Tennis3-v2
| RD1=First round
| RD2=Qualifying competition
| team-width=175
| RD1-seed1=3
| RD1-team1={{flagicon|ESP}} Roberto Carballés Baena
| RD1-score1-1=77
| RD1-score1-2=2
| RD1-score1-3=0
| RD1-seed2=
| RD1-team2={{flagicon|BIH}} Damir Džumhur
| RD1-score2-1=62
| RD1-score2-2=6
| RD1-score2-3=0r
| RD1-seed3=
| RD1-team3={{flagicon|SVK}} Jozef Kovalík
| RD1-score3-1=5
| RD1-score3-2=4
| RD1-score3-3=
| RD1-seed4=7
| RD1-team4={{flagicon|ARG}} Francisco Cerúndolo
| RD1-score4-1=7
| RD1-score4-2=6
| RD1-score4-3=
| RD2-seed1=3
| RD2-team1={{flagicon|ESP}} Roberto Carballés Baena
| RD2-score1-1=66
| RD2-score1-2=4
| RD2-score1-3=
| RD2-seed2=7
| RD2-team2={{flagicon|ARG}} Francisco Cerúndolo
| RD2-score2-1=78
| RD2-score2-2=6
| RD2-score2-3=
}}
==Fourth qualifier==
{{4TeamBracket-Tennis3-v2
| RD1=First round
| RD2=Qualifying competition
| team-width=175
| RD1-seed1=4
| RD1-team1={{flagicon|POR}} João Sousa
| RD1-score1-1=6
| RD1-score1-2=6
| RD1-score1-3=
| RD1-seed2=
| RD1-team2={{flagicon|USA}} Brandon Nakashima
| RD1-score2-1=4
| RD1-score2-2=2
| RD1-score2-3=
| RD1-seed3=
| RD1-team3={{flagicon|FRA}} Arthur Rinderknech
| RD1-score3-1=6
| RD1-score3-2=6
| RD1-score3-3=
| RD1-seed4=5
| RD1-team4={{flagicon|JPN}} Yūichi Sugita
| RD1-score4-1=1
| RD1-score4-2=2
| RD1-score4-3=
| RD2-seed1=4
| RD2-team1={{flagicon|POR}} João Sousa
| RD2-score1-1=5
| RD2-score1-2=4
| RD2-score1-3=
| RD2-seed2=
| RD2-team2={{flagicon|FRA}} Arthur Rinderknech
| RD2-score2-1=7
| RD2-score2-2=6
| RD2-score2-3=
}}
References
{{reflist}}
External links
- [http://www.protennislive.com/posting/2021/5053/mds.pdf Main draw]
- [http://www.protennislive.com/posting/2021/5053/qs.pdf Qualifying draw]
{{2021 ATP Tour}}
{{DEFAULTSORT:Serbia Open - Men's Singles,2021}}