Winston-Salem Open 2021 - Đơn

Ilya Ivashka
| runner = Mikael Ymer
| score = 6–0, 6–2
| draw = 48 (4 / 4)
| seeds = 16
| edition = 52nd
| before_year = 2019
| type = singles doubles
}}

Hubert Hurkacz là đương kim vô địch, nhưng chọn không tham dự.

Ilya Ivashka là nhà vô địch, đánh bại Mikael Ymer trong trận chung kết, 6–0, 6–2. Ivashka trở thành nam tay vợt Belarus đầu tiên giành một danh hiệu đơn ATP sau Max Mirnyi vào năm 2003, Ymer trở thành nam tay vợt Thụy Điển đầu tiên vào trận chung kết nội dung đơn ATP sau Robin Söderling vào năm 2011.

Hạt giống
Tất cả các hạt giống được miễn vào vòng 2.
Pablo Carreño Busta (Tứ kết)
David Goffin (Rút lui)
Dan Evans (Vòng 3)
Márton Fucsovics (Vòng 3)
Alexander Bublik (Vòng 2)
Marin Čilić (Vòng 2)
Nikoloz Basilashvili (Rút lui)
John Millman (Rút lui)

Jan-Lennard Struff (Vòng 3)
Federico Delbonis (Vòng 2)
Albert Ramos Viñolas (Vòng 2)
Benoît Paire (Vòng 3)
Frances Tiafoe (Tứ kết)
Richard Gasquet (Tứ kết)
Carlos Alcaraz (Bán kết)
Dominik Koepfer (Vòng 3)
}}

Kết quả

Chung kết
Pablo Carreño Busta
|RD1-score1-1=62
|RD1-score1-2=3
|RD1-score1-3=
|RD1-seed2=
|RD1-team2= Ilya Ivashka
|RD1-score2-1=77
|RD1-score2-2=6
|RD1-score2-3=

|RD1-seed3=14
|RD1-team3= Richard Gasquet
|RD1-score3-1=65
|RD1-score3-2=1
|RD1-score3-3=
|RD1-seed4=
|RD1-team4= Emil Ruusuvuori
|RD1-score4-1=77
|RD1-score4-2=6
|RD1-score4-3=

|RD1-seed5=
|RD1-team5= Marcos Giron
|RD1-score5-1=62
|RD1-score5-2=2
|RD1-score5-3=
|RD1-seed6=15
|RD1-team6= Carlos Alcaraz
|RD1-score6-1=77
|RD1-score6-2=6
|RD1-score6-3=

|RD1-seed7=
|RD1-team7= Mikael Ymer
|RD1-score7-1=62
|RD1-score7-2=6
|RD1-score7-3=6
|RD1-seed8=13
|RD1-team8= Frances Tiafoe
|RD1-score8-1=77
|RD1-score8-2=2
|RD1-score8-3=3

|RD2-seed1=
|RD2-team1= Ilya Ivashka
|RD2-score1-1=6
|RD2-score1-2=6
|RD2-score1-3=
|RD2-seed2=
|RD2-team2= Emil Ruusuvuori
|RD2-score2-1=2
|RD2-score2-2=1
|RD2-score2-3=

|RD2-seed3=15
|RD2-team3= Carlos Alcaraz
|RD2-score3-1=5
|RD2-score3-2=3
|RD2-score3-3=
|RD2-seed4=
|RD2-team4= Mikael Ymer
|RD2-score4-1=7
|RD2-score4-2=6
|RD2-score4-3=

|RD3-seed1=
|RD3-team1= Ilya Ivashka
|RD3-score1-1=6
|RD3-score1-2=6
|RD3-score1-3=
|RD3-seed2=
|RD3-team2= Mikael Ymer
|RD3-score2-1=0
|RD3-score2-2=2
|RD3-score2-3=
}}

Nửa trên
Nhánh 1
R Albot
| RD1-score03-1=2
| RD1-score03-2=5
| RD1-score03-3=
| RD1-seed04=
| RD1-team04= S-w Kwon
| RD1-score04-1=6
| RD1-score04-2=7
| RD1-score04-3=

| RD1-seed05=
| RD1-team05= T Sandgren
| RD1-score05-1=4
| RD1-score05-2=4
| RD1-score05-3=
| RD1-seed06=
| RD1-team06= M Cecchinato
| RD1-score06-1=6
| RD1-score06-2=6
| RD1-score06-3=

| RD1-seed11=Q
| RD1-team11= T-l Wu
| RD1-score11-1=65
| RD1-score11-2=3
| RD1-score11-3=
| RD1-seed12=
| RD1-team12= G Mager
| RD1-score12-1=77
| RD1-score12-2=6
| RD1-score12-3=

| RD1-seed13=
| RD1-team13= A Seppi
| RD1-score13-1=4
| RD1-score13-2=4
| RD1-score13-3=
| RD1-seed14=
| RD1-team14= I Ivashka
| RD1-score14-1=6
| RD1-score14-2=6
| RD1-score14-3=

| RD2-seed01=1/WC
| RD2-team01= P Carreño Busta
| RD2-score01-1=6
| RD2-score01-2=3
| RD2-score01-3=6
| RD2-seed02=
| RD2-team02= S-w Kwon
| RD2-score02-1=3
| RD2-score02-2=6
| RD2-score02-3=4

| RD2-seed03=
| RD2-team03= M Cecchinato
| RD2-score03-1=7
| RD2-score03-2=4
| RD2-score03-3=4
| RD2-seed04=16
| RD2-team04= D Koepfer
| RD2-score04-1=5
| RD2-score04-2=6
| RD2-score04-3=6

| RD2-seed05=9
| RD2-team05= J-L Struff
| RD2-score05-1=6
| RD2-score05-2=6
| RD2-score05-3=
| RD2-seed06=
| RD2-team06= G Mager
| RD2-score06-1=2
| RD2-score06-2=2
| RD2-score06-3=

| RD2-seed07=
| RD2-team07= I Ivashka
| RD2-score07-1=4
| RD2-score07-2=7
| RD2-score07-3=6
| RD2-seed08=6
| RD2-team08= M Čilić
| RD2-score08-1=6
| RD2-score08-2=5
| RD2-score08-3=4

| RD3-seed01=1/WC
| RD3-team01= P Carreño Busta
| RD3-score01-1=6
| RD3-score01-2=6
| RD3-score01-3=
| RD3-seed02=16
| RD3-team02= D Koepfer
| RD3-score02-1=2
| RD3-score02-2=3
| RD3-score02-3=

| RD3-seed03=9
| RD3-team03= J-L Struff
| RD3-score03-1=2
| RD3-score03-2=1
| RD3-score03-3=
| RD3-seed04=
| RD3-team04= I Ivashka
| RD3-score04-1=6
| RD3-score04-2=6
| RD3-score04-3=

| RD4-seed01=1/WC
| RD4-team01= P Carreño Busta
| RD4-score01-1=62
| RD4-score01-2=3
| RD4-score01-3=
| RD4-seed02=
| RD4-team02= I Ivashka
| RD4-score02-1=77
| RD4-score02-2=6
| RD4-score02-3=
}}

Nhánh 2
L Pouille
| RD1-score03-1=6
| RD1-score03-2=6
| RD1-score03-3=
| RD1-seed04=
| RD1-team04= F López
| RD1-score04-1=1
| RD1-score04-2=4
| RD1-score04-3=

| RD1-seed05=
| RD1-team05= E Gerasimov
| RD1-score05-1=78
| RD1-score05-2=3
| RD1-score05-3=6
| RD1-seed06=
| RD1-team06= N Gombos
| RD1-score06-1=66
| RD1-score06-2=6
| RD1-score06-3=2

| RD1-seed11=
| RD1-team11= A Rinderknech
| RD1-score11-1=5
| RD1-score11-2=3
| RD1-score11-3=
| RD1-seed12=PR
| RD1-team12= G Simon
| RD1-score12-1=7
| RD1-score12-2=6
| RD1-score12-3=

| RD1-seed13=
| RD1-team13= E Ruusuvuori
| RD1-score13-1=6
| RD1-score13-2=6
| RD1-score13-3=
| RD1-seed14=Q
| RD1-team14= D Kudla
| RD1-score14-1=3
| RD1-score14-2=4
| RD1-score14-3=

| RD2-seed01=3/WC
| RD2-team01= D Evans
| RD2-score01-1=3
| RD2-score01-2=6
| RD2-score01-3=6
| RD2-seed02=Q
| RD2-team02= L Pouille
| RD2-score02-1=6
| RD2-score02-2=4
| RD2-score02-3=1

| RD2-seed03=
| RD2-team03= E Gerasimov
| RD2-score03-1=64
| RD2-score03-2=66
| RD2-score03-3=
| RD2-seed04=14
| RD2-team04= R Gasquet
| RD2-score04-1=77
| RD2-score04-2=78
| RD2-score04-3=

| RD2-seed05=12
| RD2-team05= B Paire
| RD2-score05-1=6
| RD2-score05-2=6
| RD2-score05-3=
| RD2-seed06=PR
| RD2-team06= G Simon
| RD2-score06-1=3
| RD2-score06-2=3
| RD2-score06-3=

| RD2-seed07=
| RD2-team07= E Ruusuvuori
| RD2-score07-1=6
| RD2-score07-2=77
| RD2-score07-3=
| RD2-seed08=5
| RD2-team08= A Bublik
| RD2-score08-1=2
| RD2-score08-2=65
| RD2-score08-3=

| RD3-seed01=3/WC
| RD3-team01= D Evans
| RD3-score01-1=4
| RD3-score01-2=64
| RD3-score01-3=
| RD3-seed02=14
| RD3-team02= R Gasquet
| RD3-score02-1=6
| RD3-score02-2=77
| RD3-score02-3=

| RD3-seed03=12
| RD3-team03= B Paire
| RD3-score03-1=4
| RD3-score03-2=6
| RD3-score03-3=1
| RD3-seed04=
| RD3-team04= E Ruusuvuori
| RD3-score04-1=6
| RD3-score04-2=4
| RD3-score04-3=6

| RD4-seed01=14
| RD4-team01= R Gasquet
| RD4-score01-1=65
| RD4-score01-2=1
| RD4-score01-3=
| RD4-seed02=
| RD4-team02= E Ruusuvuori
| RD4-score02-1=77
| RD4-score02-2=6
| RD4-score02-3=
}}

Nửa dưới
Nhánh 3
F Coria
| RD1-score03-1=6
| RD1-score03-2=4
| RD1-score03-3=6
| RD1-seed04=
| RD1-team04= L Musetti
| RD1-score04-1=4
| RD1-score04-2=6
| RD1-score04-3=4

| RD1-seed05=
| RD1-team05= M Giron
| RD1-score05-1=7
| RD1-score05-2=6
| RD1-score05-3=
| RD1-seed06=
| RD1-team06= F Bagnis
| RD1-score06-1=5
| RD1-score06-2=4
| RD1-score06-3=

| RD1-seed11=
| RD1-team11= S Johnson
| RD1-score11-1=5
| RD1-score11-2=4
| RD1-score11-3=
| RD1-seed12=Q
| RD1-team12= A Popyrin
| RD1-score12-1=7
| RD1-score12-2=6
| RD1-score12-3=

| RD1-seed13=
| RD1-team13= J Munar
| RD1-score13-1=6
| RD1-score13-2=3
| RD1-score13-3=0
| RD1-seed14=LL
| RD1-team14= Y Watanuki
| RD1-score14-1=3
| RD1-score14-2=6
| RD1-score14-3=6

| RD2-seed01=LL
| RD2-team01= P-H Herbert
| RD2-score01-1=6
| RD2-score01-2=6
| RD2-score01-3=
| RD2-seed02=
| RD2-team02= F Coria
| RD2-score02-1=4
| RD2-score02-2=2
| RD2-score02-3=

| RD2-seed03=
| RD2-team03= M Giron
| RD2-score03-1=6
| RD2-score03-2=6
| RD2-score03-3=
| RD2-seed04=10
| RD2-team04= F Delbonis
| RD2-score04-1=3
| RD2-score04-2=4
| RD2-score04-3=

| RD2-seed05=15
| RD2-team05= C Alcaraz
| RD2-score05-1=69
| RD2-score05-2=6
| RD2-score05-3=77
| RD2-seed06=Q
| RD2-team06= A Popyrin
| RD2-score06-1=711
| RD2-score06-2=1
| RD2-score06-3=61

| RD2-seed07=LL
| RD2-team07= Y Watanuki
| RD2-score07-1=5
| RD2-score07-2=1
| RD2-score07-3=
| RD2-seed08=4
| RD2-team08= M Fucsovics
| RD2-score08-1=7
| RD2-score08-2=6
| RD2-score08-3=

| RD3-seed01=LL
| RD3-team01= P-H Herbert
| RD3-score01-1=6
| RD3-score01-2=3
| RD3-score01-3=3
| RD3-seed02=
| RD3-team02= M Giron
| RD3-score02-1=4
| RD3-score02-2=6
| RD3-score02-3=6

| RD3-seed03=15
| RD3-team03= C Alcaraz
| RD3-score03-1=6
| RD3-score03-2=0
| RD3-score03-3=6
| RD3-seed04=4
| RD3-team04= M Fucsovics
| RD3-score04-1=3
| RD3-score04-2=6
| RD3-score04-3=2

| RD4-seed01=
| RD4-team01= M Giron
| RD4-score01-1=62
| RD4-score01-2=2
| RD4-score01-3=
| RD4-seed02=15
| RD4-team02= C Alcaraz
| RD4-score02-1=77
| RD4-score02-2=6
| RD4-score02-3=
}}

Nhánh 4
J Thompson
| RD1-score03-1=6
| RD1-score03-2=1
| RD1-score03-3=6
| RD1-seed04=
| RD1-team04= G Pella
| RD1-score04-1=1
| RD1-score04-2=6
| RD1-score04-3=3

| RD1-seed05=
| RD1-team05= M Ymer
| RD1-score05-1=6
| RD1-score05-2=1
| RD1-score05-3=6
| RD1-seed06=
| RD1-team06= S Travaglia
| RD1-score06-1=2
| RD1-score06-2=6
| RD1-score06-3=2

| RD1-seed11=LL
| RD1-team11= N Rubin
| RD1-score11-1=2
| RD1-score11-2=0
| RD1-score11-3=
| RD1-seed12=WC
| RD1-team12= A Murray
| RD1-score12-1=6
| RD1-score12-2=6
| RD1-score12-3=

| RD1-seed13=
| RD1-team13= T Monteiro
| RD1-score13-1=6
| RD1-score13-2=4
| RD1-score13-3=77
| RD1-seed14=
| RD1-team14= J Duckworth
| RD1-score14-1=4
| RD1-score14-2=6
| RD1-score14-3=65

| RD2-seed01=LL
| RD2-team01= M Purcell
| RD2-score01-1=7
| RD2-score01-2=6
| RD2-score01-3=
| RD2-seed02=
| RD2-team02= J Thompson
| RD2-score02-1=5
| RD2-score02-2=4
| RD2-score02-3=

| RD2-seed03=
| RD2-team03= M Ymer
| RD2-score03-1=6
| RD2-score03-2=6
| RD2-score03-3=
| RD2-seed04=11
| RD2-team04= A Ramos Viñolas
| RD2-score04-1=3
| RD2-score04-2=1
| RD2-score04-3=

| RD2-seed05=13
| RD2-team05= F Tiafoe
| RD2-score05-1=77
| RD2-score05-2=6
| RD2-score05-3=
| RD2-seed06=WC
| RD2-team06= A Murray
| RD2-score06-1=64
| RD2-score06-2=3
| RD2-score06-3=

| RD2-seed07=
| RD2-team07= T Monteiro
| RD2-score07-1=7
| RD2-score07-2=6
| RD2-score07-3=
| RD2-seed08=LL
| RD2-team08= Ed Nava
| RD2-score08-1=5
| RD2-score08-2=1
| RD2-score08-3=

| RD3-seed01=LL
| RD3-team01= M Purcell
| RD3-score01-1=5
| RD3-score01-2=2
| RD3-score01-3=
| RD3-seed02=
| RD3-team02= M Ymer
| RD3-score02-1=7
| RD3-score02-2=6
| RD3-score02-3=

| RD3-seed03=13
| RD3-team03= F Tiafoe
| RD3-score03-1=7
| RD3-score03-2=77
| RD3-score03-3=
| RD3-seed04=
| RD3-team04= T Monteiro
| RD3-score04-1=5
| RD3-score04-2=62
| RD3-score04-3=

| RD4-seed01=
| RD4-team01= M Ymer
| RD4-score01-1=62
| RD4-score01-2=6
| RD4-score01-3=6
| RD4-seed02=13
| RD4-team02= F Tiafoe
| RD4-score02-1=77
| RD4-score02-2=2
| RD4-score02-3=3
}}

Vòng loại
Hạt giống
Alexei Popyrin (Vượt qua vòng loại)
Denis Kudla (Vượt qua vòng loại)
Pierre-Hugues Herbert (Vòng loại cuối cùng, Thua cuộc may mắn)
Lucas Pouille (Vượt qua vòng loại)
Max Purcell (Vòng loại cuối cùng, Thua cuộc may mắn)
Yosuke Watanuki (Vòng loại cuối cùng, Thua cuộc may mắn)
Wu Tung-lin (Vượt qua vòng loại)
Noah Rubin (Vòng loại cuối cùng, Thua cuộc may mắn)
}}

Vượt qua vòng loại
Alexei Popyrin
Denis Kudla
Wu Tung-lin
Lucas Pouille
}}

Thua cuộc may mắn
Yosuke Watanuki
Noah Rubin
Pierre-Hugues Herbert
Max Purcell
Eduardo Nava
}}

Kết quả vòng loại
Vòng loại thứ 1
Alexei Popyrin
| RD1-score1-1=6
| RD1-score1-2=78
| RD1-score1-3=
| RD1-seed2=
| RD1-team2= Sasikumar Mukund
| RD1-score2-1=1
| RD1-score2-2=66
| RD1-score2-3=

| RD1-seed3=Alt
| RD1-team3= Chung Yun-seong
| RD1-score3-1=3
| RD1-score3-2=63
| RD1-score3-3=
| RD1-seed4=6
| RD1-team4= Yosuke Watanuki
| RD1-score4-1=6
| RD1-score4-2=77
| RD1-score4-3=

| RD2-seed1=1
| RD2-team1= Alexei Popyrin
| RD2-score1-1=6
| RD2-score1-2=4
| RD2-score1-3=6
| RD2-seed2=6
| RD2-team2= Yosuke Watanuki
| RD2-score2-1=2
| RD2-score2-2=6
| RD2-score2-3=1
}}

Vòng loại thứ 2
Denis Kudla
| RD1-score1-1=6
| RD1-score1-2=6
| RD1-score1-3=
| RD1-seed2=Alt
| RD1-team2= Sekou Bangoura
| RD1-score2-1=2
| RD1-score2-2=3
| RD1-score2-3=

| RD1-seed3=&nbsp;
| RD1-team3= John-Patrick Smith
| RD1-score3-1=6
| RD1-score3-2=1
| RD1-score3-3=4
| RD1-seed4=5/Alt
| RD1-team4= Max Purcell
| RD1-score4-1=3
| RD1-score4-2=6
| RD1-score4-3=6

| RD2-seed1=2
| RD2-team1= Denis Kudla
| RD2-score1-1=6
| RD2-score1-2=5
| RD2-score1-3=6
| RD2-seed2=5/Alt
| RD2-team2= Max Purcell
| RD2-score2-1=4
| RD2-score2-2=7
| RD2-score2-3=2
}}

Vòng loại thứ 3
Pierre-Hugues Herbert
| RD1-score1-1=64
| RD1-score1-2=6
| RD1-score1-3=6
| RD1-seed2=WC
| RD1-team2= Eduardo Nava
| RD1-score2-1=77
| RD1-score2-2=3
| RD1-score2-3=0

| RD1-seed3=WC
| RD1-team3= Donald Young
| RD1-score3-1=0
| RD1-score3-2=0
| RD1-score3-3=
| RD1-seed4=7
| RD1-team4= Wu Tung-lin
| RD1-score4-1=6
| RD1-score4-2=6
| RD1-score4-3=

| RD2-seed1=3
| RD2-team1= Pierre-Hugues Herbert
| RD2-score1-1=4
| RD2-score1-2=3
| RD2-score1-3=
| RD2-seed2=7
| RD2-team2= Wu Tung-lin
| RD2-score2-1=6
| RD2-score2-2=6
| RD2-score2-3=
}}

Vòng loại thứ 4
Lucas Pouille
| RD1-score1-1=66
| RD1-score1-2=6
| RD1-score1-3=6
| RD1-seed2=
| RD1-team2= Darian King
| RD1-score2-1=78
| RD1-score2-2=4
| RD1-score2-3=4

| RD1-seed3=&nbsp;
| RD1-team3= JC Aragone
| RD1-score3-1=63
| RD1-score3-2=6
| RD1-score3-3=4
| RD1-seed4=8
| RD1-team4= Noah Rubin
| RD1-score4-1=77
| RD1-score4-2=1
| RD1-score4-3=6

| RD2-seed1=4
| RD2-team1= Lucas Pouille
| RD2-score1-1=4
| RD2-score1-2=77
| RD2-score1-3=6
| RD2-seed2=8
| RD2-team2= Noah Rubin
| RD2-score2-1=6
| RD2-score2-2=65
| RD2-score2-3=2
}}

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