National Bank Open 2021 - Đơn nam

Daniil Medvedev
|runner = Reilly Opelka
|score = 6–4, 6–3
| draw = 48 (6 / 3)
| seeds = 16
| before_name = Rogers Cup
| before_year = 2019
| after_year = 2022
}}

Rafael Nadal là đương kim vô địch, nhưng rút lui trước khi giải đấu bắt đầu do chấn thương chân trái.

Daniil Medvedev là nhà vô địch, đánh bại Reilly Opelka trong trận chung kết, 6–4, 6–3. Đây là danh hiệu ATP Masters 1000 thứ 4 và danh hiệu thứ 12 trong sự nghiệp của Medvedev.

Hạt giống
Tất cả các hạt giống được miễn vào vòng 2.
Daniil Medvedev (Vô địch)
Rafael Nadal (Rút lui do chấn thương chân trái)
Stefanos Tsitsipas (Bán kết)
Andrey Rublev (Vòng 3)
Denis Shapovalov (Vòng 2)
Casper Ruud (Tứ kết)
Hubert Hurkacz (Tứ kết)
Diego Schwartzman (Vòng 3)

Félix Auger-Aliassime (Vòng 2)
Roberto Bautista Agut (Tứ kết)
Gaël Monfils (Tứ kết)
Alex de Minaur (Vòng 2)
Cristian Garín (Vòng 2)
Grigor Dimitrov (Vòng 2)
Aslan Karatsev (Vòng 2)
Jannik Sinner (Vòng 2)
}}

Kết quả

Chung kết
Daniil Medvedev
|RD1-score1-1=2
|RD1-score1-2=78
|RD1-score1-3=77
|RD1-seed2=7
|RD1-team2= Hubert Hurkacz
|RD1-score2-1=6
|RD1-score2-2=66
|RD1-score2-3=65

|RD1-seed3=
|RD1-team3= John Isner
|RD1-score3-1=77
|RD1-score3-2=6
|RD1-score3-3=
|RD1-seed4=11
|RD1-team4= Gaël Monfils
|RD1-score4-1=65
|RD1-score4-2=4
|RD1-score4-3=

|RD1-seed5=6
|RD1-team5= Casper Ruud
|RD1-score5-1=1
|RD1-score5-2=4
|RD1-score5-3=
|RD1-seed6=3
|RD1-team6= Stefanos Tsitsipas
|RD1-score6-1=6
|RD1-score6-2=6
|RD1-score6-3=

|RD1-seed7=10
|RD1-team7= Roberto Bautista Agut
|RD1-score7-1=3
|RD1-score7-2=61
|RD1-score7-3=
|RD1-seed8=
|RD1-team8= Reilly Opelka
|RD1-score8-1=6
|RD1-score8-2=77
|RD1-score8-3=

|RD2-seed1=1
|RD2-team1= Daniil Medvedev
|RD2-score1-1=6
|RD2-score1-2=6
|RD2-score1-3=
|RD2-seed2=
|RD2-team2= John Isner
|RD2-score2-1=2
|RD2-score2-2=2
|RD2-score2-3=

|RD2-seed3=3
|RD2-team3= Stefanos Tsitsipas
|RD2-score3-1=77
|RD2-score3-2=64
|RD2-score3-3=4
|RD2-seed4=
|RD2-team4= Reilly Opelka
|RD2-score4-1=62
|RD2-score4-2=77
|RD2-score4-3=6

|RD3-seed1=1
|RD3-team1= Daniil Medvedev
|RD3-score1-1=6
|RD3-score1-2=6
|RD3-score1-3=
|RD3-seed2=
|RD3-team2= Reilly Opelka
|RD3-score2-1=4
|RD3-score2-2=3
|RD3-score2-3=
}}

Nửa trên
Nhánh 1
D Evans
| RD1-score03-1=4
| RD1-score03-2=4
| RD1-score03-3=
| RD1-seed04=
| RD1-team04= A Bublik
| RD1-score04-1=6
| RD1-score04-2=6
| RD1-score04-3=

| RD1-seed05=Q
| RD1-team05= J Duckworth
| RD1-score05-1=77
| RD1-score05-2=6
| RD1-score05-3=
| RD1-seed06=
| RD1-team06= T Fritz
| RD1-score06-1=62
| RD1-score06-2=3
| RD1-score06-3=

| RD1-seed11=WC
| RD1-team11= J Brooksby
| RD1-score11-1=6
| RD1-score11-2=0
| RD1-score11-3=4
| RD1-seed12=
| RD1-team12= N Basilashvili
| RD1-score12-1=2
| RD1-score12-2=6
| RD1-score12-3=6

| RD1-seed13=
| RD1-team13= M Kecmanović
| RD1-score13-1=4
| RD1-score13-2=77
| RD1-score13-3=2
| RD1-seed14=PR
| RD1-team14= K Nishikori
| RD1-score14-1=6
| RD1-score14-2=65
| RD1-score14-3=6

| RD2-seed01=1
| RD2-team01= D Medvedev
| RD2-score01-1=4
| RD2-score01-2=6
| RD2-score01-3=6
| RD2-seed02=
| RD2-team02= A Bublik
| RD2-score02-1=6
| RD2-score02-2=3
| RD2-score02-3=4

| RD2-seed03=Q
| RD2-team03= J Duckworth
| RD2-score03-1=6
| RD2-score03-2=6
| RD2-score03-3=
| RD2-seed04=16
| RD2-team04= J Sinner
| RD2-score04-1=3
| RD2-score04-2=4
| RD2-score04-3=

| RD2-seed05=12
| RD2-team05= A de Minaur
| RD2-score05-1=1
| RD2-score05-2=1
| RD2-score05-3=
| RD2-seed06=
| RD2-team06= N Basilashvili
| RD2-score06-1=6
| RD2-score06-2=6
| RD2-score06-3=

| RD2-seed07=PR
| RD2-team07= K Nishikori
| RD2-score07-1=
| RD2-score07-2=
| RD2-score07-3=
| RD2-seed08=7
| RD2-team08= H Hurkacz
| RD2-score08-1=w/o
| RD2-score08-2=
| RD2-score08-3=

| RD3-seed01=1
| RD3-team01= D Medvedev
| RD3-score01-1=6
| RD3-score01-2=6
| RD3-score01-3=
| RD3-seed02=Q
| RD3-team02= J Duckworth
| RD3-score02-1=2
| RD3-score02-2=4
| RD3-score02-3=

| RD3-seed03=
| RD3-team03= N Basilashvili
| RD3-score03-1=79
| RD3-score03-2=4
| RD3-score03-3=4
| RD3-seed04=7
| RD3-team04= H Hurkacz
| RD3-score04-1=67
| RD3-score04-2=6
| RD3-score04-3=6

| RD4-seed01=1
| RD4-team01= D Medvedev
| RD4-score01-1=2
| RD4-score01-2=78
| RD4-score01-3=77
| RD4-seed02=7
| RD4-team02= H Hurkacz
| RD4-score02-1=6
| RD4-score02-2=66
| RD4-score02-3=65
}}

Nhánh 2
J-L Struff
| RD1-score03-1=77
| RD1-score03-2=2
| RD1-score03-3=4
| RD1-seed04=
| RD1-team04= F Fognini
| RD1-score04-1=62
| RD1-score04-2=6
| RD1-score04-3=6

| RD1-seed05=
| RD1-team05= J Isner
| RD1-score05-1=6
| RD1-score05-2=6
| RD1-score05-3=
| RD1-seed06=
| RD1-team06= A Davidovich Fokina
| RD1-score06-1=4
| RD1-score06-2=1
| RD1-score06-3=

| RD1-seed11=
| RD1-team11= J Millman
| RD1-score11-1=6
| RD1-score11-2=77
| RD1-score11-3=
| RD1-seed12=Q
| RD1-team12= R Berankis
| RD1-score12-1=3
| RD1-score12-2=64
| RD1-score12-3=

| RD1-seed13=Q
| RD1-team13= Y Nishioka
| RD1-score13-1=4
| RD1-score13-2=3
| RD1-score13-3=
| RD1-seed14=LL
| RD1-team14= F Tiafoe
| RD1-score14-1=6
| RD1-score14-2=6
| RD1-score14-3=

| RD2-seed01=4
| RD2-team01= A Rublev
| RD2-score01-1=77
| RD2-score01-2=6
| RD2-score01-3=
| RD2-seed02=
| RD2-team02= F Fognini
| RD2-score02-1=64
| RD2-score02-2=3
| RD2-score02-3=

| RD2-seed03=
| RD2-team03= J Isner
| RD2-score03-1=4
| RD2-score03-2=6
| RD2-score03-3=6
| RD2-seed04=13
| RD2-team04= C Garín
| RD2-score04-1=6
| RD2-score04-2=3
| RD2-score04-3=4

| RD2-seed05=11
| RD2-team05= G Monfils
| RD2-score05-1=3
| RD2-score05-2=6
| RD2-score05-3=6
| RD2-seed06=
| RD2-team06= J Millman
| RD2-score06-1=6
| RD2-score06-2=3
| RD2-score06-3=4

| RD2-seed07=LL
| RD2-team07= F Tiafoe
| RD2-score07-1=6
| RD2-score07-2=6
| RD2-score07-3=
| RD2-seed08=5
| RD2-team08= D Shapovalov
| RD2-score08-1=1
| RD2-score08-2=4
| RD2-score08-3=

| RD3-seed01=4
| RD3-team01= A Rublev
| RD3-score01-1=5
| RD3-score01-2=65
| RD3-score01-3=
| RD3-seed02=
| RD3-team02= J Isner
| RD3-score02-1=7
| RD3-score02-2=77
| RD3-score02-3=

| RD3-seed03=11
| RD3-team03= G Monfils
| RD3-score03-1=6
| RD3-score03-2=77
| RD3-score03-3=
| RD3-seed04=LL
| RD3-team04= F Tiafoe
| RD3-score04-1=1
| RD3-score04-2=62
| RD3-score04-3=

| RD4-seed01=
| RD4-team01= J Isner
| RD4-score01-1=77
| RD4-score01-2=6
| RD4-score01-3=
| RD4-seed02=11
| RD4-team02= G Monfils
| RD4-score02-1=65
| RD4-score02-2=4
| RD4-score02-3=
}}

Nửa dưới
Nhánh 3
A Ramos Viñolas
| RD1-score03-1=2
| RD1-score03-2=6
| RD1-score03-3=3
| RD1-seed04=
| RD1-team04= M Čilić
| RD1-score04-1=6
| RD1-score04-2=4
| RD1-score04-3=6

| RD1-seed05=
| RD1-team05= D Lajović
| RD1-score05-1=3
| RD1-score05-2=6
| RD1-score05-3=6
| RD1-seed06=Q
| RD1-team06= E Ruusuvuori
| RD1-score06-1=6
| RD1-score06-2=3
| RD1-score06-3=3

| RD1-seed11=
| RD1-team11= C Norrie
| RD1-score11-1=4
| RD1-score11-2=7
| RD1-score11-3=4
| RD1-seed12=
| RD1-team12= K Khachanov
| RD1-score12-1=6
| RD1-score12-2=5
| RD1-score12-3=6

| RD1-seed13=
| RD1-team13= L Sonego
| RD1-score13-1=3
| RD1-score13-2=4
| RD1-score13-3=
| RD1-seed14=
| RD1-team14= U Humbert
| RD1-score14-1=6
| RD1-score14-2=6
| RD1-score14-3=

| RD2-seed01=6
| RD2-team01= C Ruud
| RD2-score01-1=6
| RD2-score01-2=3
| RD2-score01-3=6
| RD2-seed02=
| RD2-team02= M Čilić
| RD2-score02-1=3
| RD2-score02-2=6
| RD2-score02-3=3

| RD2-seed03=
| RD2-team03= D Lajović
| RD2-score03-1=7
| RD2-score03-2=6
| RD2-score03-3=
| RD2-seed04=9
| RD2-team04= F Auger-Aliassime
| RD2-score04-1=5
| RD2-score04-2=4
| RD2-score04-3=

| RD2-seed05=15
| RD2-team05= A Karatsev
| RD2-score05-1=67
| RD2-score05-2=4
| RD2-score05-3=
| RD2-seed06=
| RD2-team06= K Khachanov
| RD2-score06-1=79
| RD2-score06-2=6
| RD2-score06-3=

| RD2-seed07=
| RD2-team07= U Humbert
| RD2-score07-1=3
| RD2-score07-2=715
| RD2-score07-3=1
| RD2-seed08=3
| RD2-team08= S Tsitsipas
| RD2-score08-1=6
| RD2-score08-2=613
| RD2-score08-3=6

| RD3-seed01=6
| RD3-team01= C Ruud
| RD3-score01-1=6
| RD3-score01-2=6
| RD3-score01-3=
| RD3-seed02=
| RD3-team02= D Lajović
| RD3-score02-1=4
| RD3-score02-2=3
| RD3-score02-3=

| RD3-seed03=
| RD3-team03= K Khachanov
| RD3-score03-1=3
| RD3-score03-2=2
| RD3-score03-3=
| RD3-seed04=3
| RD3-team04= S Tsitsipas
| RD3-score04-1=6
| RD3-score04-2=6
| RD3-score04-3=

| RD4-seed01=6
| RD4-team01= C Ruud
| RD4-score01-1=1
| RD4-score01-2=4
| RD4-score01-3=
| RD4-seed02=3
| RD4-team02= S Tsitsipas
| RD4-score02-1=6
| RD4-score02-2=6
| RD4-score02-3=
}}

Nhánh 4
B Paire
| RD1-score03-1=6
| RD1-score03-2=6
| RD1-score03-3=
| RD1-seed04=SE
| RD1-team04= M McDonald
| RD1-score04-1=3
| RD1-score04-2=4
| RD1-score04-3=

| RD1-seed05=WC
| RD1-team05= V Pospisil
| RD1-score05-1=77
| RD1-score05-2=2
| RD1-score05-3=3
| RD1-seed06=Q
| RD1-team06= T Paul
| RD1-score06-1=65
| RD1-score06-2=6
| RD1-score06-3=6

| RD1-seed11=WC
| RD1-team11= N Kyrgios
| RD1-score11-1=6
| RD1-score11-2=64
| RD1-score11-3=4
| RD1-seed12=
| RD1-team12= R Opelka
| RD1-score12-1=4
| RD1-score12-2=77
| RD1-score12-3=6

| RD1-seed13=
| RD1-team13= L Harris
| RD1-score13-1=6
| RD1-score13-2=6
| RD1-score13-3=
| RD1-seed14=Q
| RD1-team14= B Schnur
| RD1-score14-1=3
| RD1-score14-2=2
| RD1-score14-3=

| RD2-seed01=8
| RD2-team01= D Schwartzman
| RD2-score01-1=7
| RD2-score01-2=6
| RD2-score01-3=
| RD2-seed02=
| RD2-team02= B Paire
| RD2-score02-1=5
| RD2-score02-2=1
| RD2-score02-3=

| RD2-seed03=Q
| RD2-team03= T Paul
| RD2-score03-1=3
| RD2-score03-2=4
| RD2-score03-3=
| RD2-seed04=10
| RD2-team04= R Bautista Agut
| RD2-score04-1=6
| RD2-score04-2=6
| RD2-score04-3=

| RD2-seed05=14
| RD2-team05= G Dimitrov
| RD2-score05-1=3
| RD2-score05-2=4
| RD2-score05-3=
| RD2-seed06=
| RD2-team06= R Opelka
| RD2-score06-1=6
| RD2-score06-2=6
| RD2-score06-3=

| RD2-seed07=
| RD2-team07= L Harris
| RD2-score07-1=6
| RD2-score07-2=6
| RD2-score07-3=
| RD2-seed08=LL
| RD2-team08= F López
| RD2-score08-1=2
| RD2-score08-2=3
| RD2-score08-3=

| RD3-seed01=8
| RD3-team01= D Schwartzman
| RD3-score01-1=3
| RD3-score01-2=6
| RD3-score01-3=5
| RD3-seed02=10
| RD3-team02= R Bautista Agut
| RD3-score02-1=6
| RD3-score02-2=3
| RD3-score02-3=7

| RD3-seed03=
| RD3-team03= R Opelka
| RD3-score03-1=4
| RD3-score03-2=78
| RD3-score03-3=77
| RD3-seed04=
| RD3-team04= L Harris
| RD3-score04-1=6
| RD3-score04-2=66
| RD3-score04-3=64

| RD4-seed01=10
| RD4-team01= R Bautista Agut
| RD4-score01-1=3
| RD4-score01-2=61
| RD4-score01-3=
| RD4-seed02=
| RD4-team02= R Opelka
| RD4-score02-1=6
| RD4-score02-2=77
| RD4-score02-3=
}}

Vòng loại
Hạt giống
Frances Tiafoe (Vòng loại cuối cùng, Thua cuộc may mắn)
Tommy Paul (Vượt qua vòng loại)
Yoshihito Nishioka (Vượt qua vòng loại)
Dominik Koepfer (Vòng 1)
Lorenzo Musetti (Rút lui)
Marcos Giron (Vòng 1)
Emil Ruusuvuori (Vượt qua vòng loại)
Alexei Popyrin (Vòng 1)
James Duckworth (Vượt qua vòng loại)
Ričardas Berankis (Vượt qua vòng loại)
Feliciano López (Vòng loại cuối cùng, Thua cuộc may mắn)
Benjamin Bonzi (Vòng 1)
}}

Vượt qua vòng loại
Emil Ruusuvuori
Tommy Paul
Yoshihito Nishioka
James Duckworth
Ričardas Berankis
Brayden Schnur
}}

Thua cuộc may mắn
Frances Tiafoe
Feliciano López
}}

Kết quả vòng loại
Vòng loại thứ 1
Frances Tiafoe
| RD1-score1-1=6
| RD1-score1-2=0
| RD1-score1-3=6
| RD1-seed2=
| RD1-team2= J.J. Wolf
| RD1-score2-1=2
| RD1-score2-2=6
| RD1-score2-3=4

| RD1-seed3=WC
| RD1-team3= Steven Diez
| RD1-score3-1=3
| RD1-score3-2=2
| RD1-score3-3=
| RD1-seed4=7
| RD1-team4= Emil Ruusuvuori
| RD1-score4-1=6
| RD1-score4-2=6
| RD1-score4-3=

| RD2-seed1=1
| RD2-team1= Frances Tiafoe
| RD2-score1-1=1
| RD2-score1-2=4
| RD2-score1-3=
| RD2-seed2=7
| RD2-team2= Emil Ruusuvuori
| RD2-score2-1=6
| RD2-score2-2=6
| RD2-score2-3=
}}

Vòng loại thứ 2
Tommy Paul
| RD1-score1-1=77
| RD1-score1-2=6
| RD1-score1-3=
| RD1-seed2=WC
| RD1-team2= Liam Draxl
| RD1-score2-1=60
| RD1-score2-2=4
| RD1-score2-3=

| RD1-seed3=
| RD1-team3= Liam Broady
| RD1-score3-1=5
| RD1-score3-2=79
| RD1-score3-3=77
| RD1-seed4=8
| RD1-team4= Alexei Popyrin
| RD1-score4-1=7
| RD1-score4-2=67
| RD1-score4-3=62

| RD2-seed1=2
| RD2-team1= Tommy Paul
| RD2-score1-1=77
| RD2-score1-2=6
| RD2-score1-3=
| RD2-seed2=
| RD2-team2= Liam Broady
| RD2-score2-1=63
| RD2-score2-2=3
| RD2-score2-3=
}}

Vòng loại thứ 3
Yoshihito Nishioka
| RD1-score1-1=77
| RD1-score1-2=6
| RD1-score1-3=
| RD1-seed2=
| RD1-team2= Michael Mmoh
| RD1-score2-1=65
| RD1-score2-2=2
| RD1-score2-3=

| RD1-seed3=
| RD1-team3= Maxime Cressy
| RD1-score3-1=64
| RD1-score3-2=4
| RD1-score3-3=
| RD1-seed4=11
| RD1-team4= Feliciano López
| RD1-score4-1=77
| RD1-score4-2=6
| RD1-score4-3=

| RD2-seed1=3
| RD2-team1= Yoshihito Nishioka
| RD2-score1-1=7
| RD2-score1-2=78
| RD2-score1-3=
| RD2-seed2=11
| RD2-team2= Feliciano López
| RD2-score2-1=5
| RD2-score2-2=66
| RD2-score2-3=
}}

Vòng loại thứ 4
Dominik Koepfer
| RD1-score1-1=3
| RD1-score1-2=4
| RD1-score1-3=
| RD1-seed2=WC
| RD1-team2= Peter Polansky
| RD1-score2-1=6
| RD1-score2-2=6
| RD1-score2-3=

| RD1-seed3=
| RD1-team3= Illya Marchenko
| RD1-score3-1=1
| RD1-score3-2=3
| RD1-score3-3=
| RD1-seed4=9
| RD1-team4= James Duckworth
| RD1-score4-1=6
| RD1-score4-2=6
| RD1-score4-3=

| RD2-seed1=WC
| RD2-team1= Peter Polansky
| RD2-score1-1=6
| RD2-score1-2=1
| RD2-score1-3=2
| RD2-seed2=9
| RD2-team2= James Duckworth
| RD2-score2-1=4
| RD2-score2-2=6
| RD2-score2-3=6
}}

Vòng loại thứ 5
Max Purcell
| RD1-score1-1=62
| RD1-score1-2=77
| RD1-score1-3=64
| RD1-seed2=
| RD1-team2= Emilio Gómez
| RD1-score2-1=77
| RD1-score2-2=62
| RD1-score2-3=77

| RD1-seed3=
| RD1-team3= Norbert Gombos
| RD1-score3-1=65
| RD1-score3-2=4
| RD1-score3-3=
| RD1-seed4=10
| RD1-team4= Ričardas Berankis
| RD1-score4-1=77
| RD1-score4-2=6
| RD1-score4-3=

| RD2-seed1=
| RD2-team1= Emilio Gómez
| RD2-score1-1=4
| RD2-score1-2=5
| RD2-score1-3=
| RD2-seed2=10
| RD2-team2= Ričardas Berankis
| RD2-score2-1=6
| RD2-score2-2=7
| RD2-score2-3=
}}

Vòng loại thứ 6
Marcos Giron
| RD1-score1-1=2
| RD1-score1-2=3
| RD1-score1-3=
| RD1-seed2=WC
| RD1-team2= Brayden Schnur
| RD1-score2-1=6
| RD1-score2-2=6
| RD1-score2-3=

| RD1-seed3=
| RD1-team3= Daniel Elahi Galán
| RD1-score3-1=6
| RD1-score3-2=2
| RD1-score3-3=6
| RD1-seed4=12
| RD1-team4= Benjamin Bonzi
| RD1-score4-1=3
| RD1-score4-2=6
| RD1-score4-3=2

| RD2-seed1=WC
| RD2-team1= Brayden Schnur
| RD2-score1-1=79
| RD2-score1-2=6
| RD2-score1-3=
| RD2-seed2=
| RD2-team2= Daniel Elahi Galán
| RD2-score2-1=67
| RD2-score2-2=3
| RD2-score2-3=
}}

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