MercedesCup 2021 - Đơn

Marin Čilić
| runner = Félix Auger-Aliassime
| score = 7–6(7–2), 6–3
| draw = 28 (4 / 5)
| seeds = 8
| type = singles doubles
| before_name = MercedesCup
| after_name = MercedesCup
| main_name = Giải quần vợt Stuttgart Mở rộng
| before_year = 2019
}}

Matteo Berrettini là đương kim vô địch, nhưng không tham dự giải đấu vì anh vẫn thi đấu Giải quần vợt Pháp Mở rộng 2021 khi giải đấu bắt đầu.

Marin Čilić là nhà vô địch, đánh bại Félix Auger-Aliassime trong trận chung kết, 7–6(7–2), 6–3..

Hạt giống
4 hạt giống hàng đầu được miễn vào vòng 2.
Denis Shapovalov (Tứ kết)
Hubert Hurkacz (Vòng 2)
Félix Auger-Aliassime (Chung kết)
Alex de Minaur (Tứ kết)
Nikoloz Basilashvili (Vòng 2)
Ugo Humbert (Tứ kết)
Adrian Mannarino (Vòng 1)
John Millman (Rút lui)
}}

Kết quả

Chung kết
Marin Čilić
| RD1-score1-1=6
| RD1-score1-2=1
| RD1-score1-3=
| RD1-seed2=WC
| RD1-team2= Jurij Rodionov
| RD1-score2-1=3
| RD1-score2-2=0r
| RD1-score2-3=

| RD1-seed3=3
| RD1-team3= Félix Auger-Aliassime
| RD1-score3-1=6
| RD1-score3-2=7
| RD1-score3-3=
| RD1-seed4=&nbsp;
| RD1-team4= Sam Querrey
| RD1-score4-1=4
| RD1-score4-2=5
| RD1-score4-3=

| RD2-seed1=&nbsp;
| RD2-team1= Marin Čilić
| RD2-score1-1=77
| RD2-score1-2=6
| RD2-score1-3=
| RD2-seed2=3
| RD2-team2= Félix Auger-Aliassime
| RD2-score2-1=62
| RD2-score2-2=3
| RD2-score2-3=
}}

Nửa trên
F López
| RD1-score03-1=6
| RD1-score03-2=6
| RD1-score03-3=
| RD1-seed04=
| RD1-team04= A Popyrin
| RD1-score04-1=4
| RD1-score04-2=4
| RD1-score04-3=

| RD1-seed05=&nbsp;
| RD1-team05= M Čilić
| RD1-score05-1=7
| RD1-score05-2=6
| RD1-score05-3=
| RD1-seed06=WC
| RD1-team06= R Molleker
| RD1-score06-1=5
| RD1-score06-2=3
| RD1-score06-3=

| RD1-seed07=WC
| RD1-team07= D Brown
| RD1-score07-1=3
| RD1-score07-2=64
| RD1-score07-3=
| RD1-seed08=5
| RD1-team08= N Basilashvili
| RD1-score08-1=6
| RD1-score08-2=77
| RD1-score08-3=

| RD1-seed11=&nbsp;
| RD1-team11= G Pella
| RD1-score11-1=3
| RD1-score11-2=4
| RD1-score11-3=
| RD1-seed12=
| RD1-team12= J Thompson
| RD1-score12-1=6
| RD1-score12-2=6
| RD1-score12-3=

| RD1-seed13=&nbsp;
| RD1-team13= D Koepfer
| RD1-score13-1=6
| RD1-score13-2=3
| RD1-score13-3=2
| RD1-seed14=WC
| RD1-team14= J Rodionov
| RD1-score14-1=2
| RD1-score14-2=6
| RD1-score14-3=6

| RD1-seed15=Q
| RD1-team15= P Gojowczyk
| RD1-score15-1=5
| RD1-score15-2=6
| RD1-score15-3=6
| RD1-seed16=LL
| RD1-team16= I Ivashka
| RD1-score16-1=7
| RD1-score16-2=4
| RD1-score16-3=2

| RD2-seed01=1
| RD2-team01= D Shapovalov
| RD2-score01-1=6
| RD2-score01-2=62
| RD2-score01-3=6
| RD2-seed02=
| RD2-team02= F López
| RD2-score02-1=2
| RD2-score02-2=77
| RD2-score02-3=3

| RD2-seed03=
| RD2-team03= M Čilić
| RD2-score03-1=6
| RD2-score03-2=6
| RD2-score03-3=
| RD2-seed04=5
| RD2-team04= N Basilashvili
| RD2-score04-1=3
| RD2-score04-2=2
| RD2-score04-3=

| RD2-seed05=4
| RD2-team05= A de Minaur
| RD2-score05-1=68
| RD2-score05-2=6
| RD2-score05-3=6
| RD2-seed06=
| RD2-team06= J Thompson
| RD2-score06-1=710
| RD2-score06-2=3
| RD2-score06-3=4

| RD2-seed07=WC
| RD2-team07= J Rodionov
| RD2-score07-1=5
| RD2-score07-2=
| RD2-score07-3=
| RD2-seed08=Q
| RD2-team08= P Gojowczyk
| RD2-score08-1=3r
| RD2-score08-2=
| RD2-score08-3=

| RD3-seed01=1
| RD3-team01= D Shapovalov
| RD3-score01-1=5
| RD3-score01-2=63
| RD3-score01-3=
| RD3-seed02=
| RD3-team02= M Čilić
| RD3-score02-1=7
| RD3-score02-2=77
| RD3-score02-3=

| RD3-seed03=4
| RD3-team03= A de Minaur
| RD3-score03-1=6
| RD3-score03-2=3
| RD3-score03-3=64
| RD3-seed04=WC
| RD3-team04= J Rodionov
| RD3-score04-1=3
| RD3-score04-2=6
| RD3-score04-3=77

| RD4-seed01=
| RD4-team01= M Čilić
| RD4-score01-1=6
| RD4-score01-2=1
| RD4-score01-3=
| RD4-seed02=WC
| RD4-team02= J Rodionov
| RD4-score02-1=3
| RD4-score02-2=0r
| RD4-score02-3=
}}

Nửa dưới
U Humbert
| RD1-score01-1=6
| RD1-score01-2=6
| RD1-score01-3=
| RD1-seed02=&nbsp;
| RD1-team02= M Fucsovics
| RD1-score02-1=3
| RD1-score02-2=1
| RD1-score02-3=

| RD1-seed03=&nbsp;
| RD1-team03= J Chardy
| RD1-score03-1=4
| RD1-score03-2=4
| RD1-score03-3=
| RD1-seed04=WC
| RD1-team04= Y Hanfmann
| RD1-score04-1=6
| RD1-score04-2=6
| RD1-score04-3=

| RD1-seed05=
| RD1-team05= G Simon
| RD1-score05-1=4
| RD1-score05-2=5
| RD1-score05-3=
| RD1-seed06=&nbsp;
| RD1-team06= L Harris
| RD1-score06-1=6
| RD1-score06-2=7
| RD1-score06-3=

| RD1-seed09=7
| RD1-team09= A Mannarino
| RD1-score09-1=3
| RD1-score09-2=2
| RD1-score09-3=
| RD1-seed10=Q
| RD1-team10= J Duckworth
| RD1-score10-1=6
| RD1-score10-2=6
| RD1-score10-3=

| RD1-seed11=Q
| RD1-team11= A Çelikbilek
| RD1-score11-1=4
| RD1-score11-2=1
| RD1-score11-3=
| RD1-seed12=
| RD1-team12= S Querrey
| RD1-score12-1=6
| RD1-score12-2=6
| RD1-score12-3=

| RD1-seed13=Q
| RD1-team13= R Albot
| RD1-score13-1=64
| RD1-score13-2=65
| RD1-score13-3=
| RD1-seed14=WC
| RD1-team14= DS Stricker
| RD1-score14-1=77
| RD1-score14-2=77
| RD1-score14-3=

| RD2-seed01=6
| RD2-team01= U Humbert
| RD2-score01-1=711
| RD2-score01-2=6
| RD2-score01-3=
| RD2-seed02=WC
| RD2-team02= Y Hanfmann
| RD2-score02-1=69
| RD2-score02-2=2
| RD2-score02-3=

| RD2-seed03=
| RD2-team03= L Harris
| RD2-score03-1=3
| RD2-score03-2=64
| RD2-score03-3=
| RD2-seed04=3
| RD2-team04= F Auger-Aliassime
| RD2-score04-1=6
| RD2-score04-2=77
| RD2-score04-3=

| RD2-seed05=Q
| RD2-team05= J Duckworth
| RD2-score05-1=4
| RD2-score05-2=67
| RD2-score05-3=
| RD2-seed06=
| RD2-team06= S Querrey
| RD2-score06-1=6
| RD2-score06-2=79
| RD2-score06-3=

| RD2-seed07=WC
| RD2-team07= DS Stricker
| RD2-score07-1=77
| RD2-score07-2=77
| RD2-score07-3=
| RD2-seed08=2
| RD2-team08= H Hurkacz
| RD2-score08-1=65
| RD2-score08-2=65
| RD2-score08-3=

| RD3-seed01=6
| RD3-team01= U Humbert
| RD3-score01-1=65
| RD3-score01-2=68
| RD3-score01-3=
| RD3-seed02=3
| RD3-team02= F Auger-Aliassime
| RD3-score02-1=77
| RD3-score02-2=710
| RD3-score02-3=

| RD3-seed03=
| RD3-team03= S Querrey
| RD3-score03-1=64
| RD3-score03-2=77
| RD3-score03-3=6
| RD3-seed04=WC
| RD3-team04= DS Stricker
| RD3-score04-1=77
| RD3-score04-2=64
| RD3-score04-3=3

| RD4-seed01=3
| RD4-team01= F Auger-Aliassime
| RD4-score01-1=6
| RD4-score01-2=7
| RD4-score01-3=
| RD4-seed02=
| RD4-team02= S Querrey
| RD4-score02-1=4
| RD4-score02-2=5
| RD4-score02-3=
}}

Vòng loại
Hạt giống
Sam Querrey (Vào vòng đấu chính)
Gilles Simon (Vào vòng đấu chính)
Jiří Veselý (Vòng 1)
Emil Ruusuvuori (Vòng loại cuối cùng)
Marcos Giron (Vòng 1)
Lucas Pouille (Vòng 1)
Radu Albot (Vượt qua vòng loại)
Ilya Ivashka (Vòng loại cuối cùng, Thua cuộc may mắn)
}}

Vượt qua vòng loại
James Duckworth
Peter Gojowczyk
Altuğ Çelikbilek
Radu Albot
}}

Thua cuộc may mắn
Ilya Ivashka
}}

Kết quả vòng loại
Vòng loại thứ 1
Luke Saville
| RD1-score1-1=78
| RD1-score1-2=4
| RD1-score1-3=4
| RD1-seed2=Alt
| RD1-team2= James Duckworth
| RD1-score2-1=66
| RD1-score2-2=6
| RD1-score2-3=6

| RD1-seed3=WC
| RD1-team3= Daniel Masur
| RD1-score3-1=0
| RD1-score3-2=64
| RD1-score3-3=
| RD1-seed4=8
| RD1-team4= Ilya Ivashka
| RD1-score4-1=6
| RD1-score4-2=77
| RD1-score4-3=

| RD2-seed1=Alt
| RD2-team1= James Duckworth
| RD2-score1-1=77
| RD2-score1-2=3
| RD2-score1-3=7
| RD2-seed2=8
| RD2-team2= Ilya Ivashka
| RD2-score2-1=65
| RD2-score2-2=6
| RD2-score2-3=5
}}

Vòng loại thứ 2
Sergiy Stakhovsky
| RD1-score1-1=1
| RD1-score1-2=64
| RD1-score1-3=
| RD1-seed2=Alt
| RD1-team2= Peter Gojowczyk
| RD1-score2-1=6
| RD1-score2-2=77
| RD1-score2-3=

| RD1-seed3=Alt
| RD1-team3= Grégoire Barrère
| RD1-score3-1=6
| RD1-score3-2=6
| RD1-score3-3=
| RD1-seed4=5
| RD1-team4= Marcos Giron
| RD1-score4-1=3
| RD1-score4-2=2
| RD1-score4-3=

| RD2-seed1=Alt
| RD2-team1= Peter Gojowczyk
| RD2-score1-1=6
| RD2-score1-2=6
| RD2-score1-3=
| RD2-seed2=Alt
| RD2-team2= Grégoire Barrère
| RD2-score2-1=2
| RD2-score2-2=4
| RD2-score2-3=
}}

Vòng loại thứ 3
Jiří Veselý
| RD1-score1-1=77
| RD1-score1-2=2
| RD1-score1-3=4
| RD1-seed2=Alt
| RD1-team2= Dennis Novak
| RD1-score2-1=65
| RD1-score2-2=6
| RD1-score2-3=6

| RD1-seed3=Alt
| RD1-team3= Altuğ Çelikbilek
| RD1-score3-1=6
| RD1-score3-2=2
| RD1-score3-3=6
| RD1-seed4=6
| RD1-team4= Lucas Pouille
| RD1-score4-1=3
| RD1-score4-2=6
| RD1-score4-3=3

| RD2-seed1=Alt
| RD2-team1= Dennis Novak
| RD2-score1-1=6
| RD2-score1-2=63
| RD2-score1-3=5
| RD2-seed2=Alt
| RD2-team2= Altuğ Çelikbilek
| RD2-score2-1=1
| RD2-score2-2=77
| RD2-score2-3=7
}}

Vòng loại thứ 4
Emil Ruusuvuori
| RD1-score1-1=7
| RD1-score1-2=6
| RD1-score1-3=
| RD1-seed2=Alt
| RD1-team2= João Sousa
| RD1-score2-1=5
| RD1-score2-2=3
| RD1-score2-3=

| RD1-seed3=Alt
| RD1-team3= Christopher O'Connell
| RD1-score3-1=3
| RD1-score3-2=0r
| RD1-score3-3=
| RD1-seed4=7
| RD1-team4= Radu Albot
| RD1-score4-1=6
| RD1-score4-2=0
| RD1-score4-3=

| RD2-seed1=4
| RD2-team1= Emil Ruusuvuori
| RD2-score1-1=65
| RD2-score1-2=4
| RD2-score1-3=
| RD2-seed2=7
| RD2-team2= Radu Albot
| RD2-score2-1=77
| RD2-score2-2=6
| RD2-score2-3=
}}

Tham khảo

Liên kết ngoài
Kết quả vòng đấu chính
Kết quả vòng loại