AS Terbuka 2011 – Tunggal Putra

Rafael Nadal merupakan juara bertahan turnamen ini, tetapi menjadi juara kedua setelah dikalahkan Novak Djokovic dengan skor 6–2, 6–4, 6–7(3–7), 6–1.

Unggulan 

  Novak Djokovic (Juara)
  Rafael Nadal (Juara Kedua)
  Roger Federer (Semifinal)
  Andy Murray (Semifinal)
  David Ferrer (Putaran Keempat)
  Robin Söderling (tidak ikut karena sakit)
  Gaël Monfils (Putaran Kedua)
  Mardy Fish (Putaran Keempat)
  Tomáš Berdych (Putaran Ketiga, berhenti karena cedera bahu)
  Nicolás Almagro (Putaran Pertama)
  Jo-Wilfried Tsonga (Perempatfinal)
  Gilles Simon (Putaran Keempat)
  Richard Gasquet (Putaran Kedua)
  Stanislas Wawrinka (Putaran Kedua)
  Viktor Troicki (Putaran Pertama)
  Mikhail Youzhny ''(Putaran Pertama)

<ol start=17>
 Jürgen Melzer ''(Putaran Kedua)
 Juan Martín del Potro ''(Putaran Ketiga)
 Fernando Verdasco ''(Putaran Ketiga)
 Janko Tipsarević ''(Perempatfinal)
 Andy Roddick ''(Perempatfinal)
 Alexandr Dolgopolov ''(Putaran Keempat)
 Radek Štěpánek ''(Putaran Kedua, berhenti karena cedera bahu kanan)
 Juan Ignacio Chela ''(Putaran Ketiga)
 Feliciano López ''(Putaran Ketiga)
 Florian Mayer ''(Putaran Ketiga)
 Marin Čilić ''(Putaran Ketiga)
 John Isner ''(Perempatfinal)
 Michaël Llodra ''(Putaran Kedua)
 Ivan Ljubičić ''(Putaran Kedua)
 Marcel Granollers ''(Putaran Ketiga)
 Ivan Dodig ''(Putaran Pertama)

Kualifikasi

Hasil pengundian

Final 
{{8TeamBracket-Tennis5
| RD1=Perempatfinal
| RD2=Semifinal
| RD3=Final

| team-width=175

| RD1-seed1=1
| RD1-team1= Novak Djokovic
| RD1-score1-1=7<sup>7
| RD1-score1-2=6<sup>3
| RD1-score1-3=6
| RD1-score1-4=3
| RD1-score1-5= 
| RD1-seed2=20
| RD1-team2= Janko Tipsarević
| RD1-score2-1=6<sup>2
| RD1-score2-2=7<sup>7
| RD1-score2-3=0
| RD1-score2-4=0<sup>r
| RD1-score2-5= 

| RD1-seed3=3
| RD1-team3= Roger Federer
| RD1-score3-1=6
| RD1-score3-2=6
| RD1-score3-3=6
| RD1-score3-4= 
| RD1-score3-5= 
| RD1-seed4=11
| RD1-team4= Jo-Wilfried Tsonga
| RD1-score4-1=4
| RD1-score4-2=3
| RD1-score4-3=3
| RD1-score4-4= 
| RD1-score4-5= 

| RD1-seed5=28
| RD1-team5= John Isner
| RD1-score5-1=5
| RD1-score5-2=4
| RD1-score5-3=6
| RD1-score5-4=6<sup>2
| RD1-score5-5= 
| RD1-seed6=4
| RD1-team6= Andy Murray
| RD1-score6-1=7
| RD1-score6-2=6
| RD1-score6-3=3
| RD1-score6-4=7<sup>7
| RD1-score6-5= 

| RD1-seed7=21
| RD1-team7= Andy Roddick
| RD1-score7-1=2
| RD1-score7-2=1
| RD1-score7-3=3
| RD1-score7-4= 
| RD1-score7-5= 
| RD1-seed8=2
| RD1-team8= Rafael Nadal| RD1-score8-1=6
| RD1-score8-2=6
| RD1-score8-3=6| RD1-score8-4= 
| RD1-score8-5= 

| RD2-seed1=1
| RD2-team1= Novak Djokovic
| RD2-score1-1=6<sup>7
| RD2-score1-2=4
| RD2-score1-3=6
| RD2-score1-4=6
| RD2-score1-5=7
| RD2-seed2=3
| RD2-team2= Roger Federer
| RD2-score2-1=7<sup>9
| RD2-score2-2=6
| RD2-score2-3=3
| RD2-score2-4=2
| RD2-score2-5=5

| RD2-seed3=4
| RD2-team3= Andy Murray
| RD2-score3-1=4
| RD2-score3-2=2
| RD2-score3-3=6
| RD2-score3-4=2
| RD2-score3-5= 
| RD2-seed4=2
| RD2-team4= Rafael Nadal
| RD2-score4-1=6
| RD2-score4-2=6
| RD2-score4-3=3
| RD2-score4-4=6
| RD2-score4-5= 

| RD3-seed1=1
| RD3-team1= Novak Djokovic
| RD3-score1-1=6
| RD3-score1-2=6
| RD3-score1-3=6<sup>3
| RD3-score1-4=6
| RD3-score1-5= 
| RD3-seed2=2
| RD3-team2= Rafael Nadal
| RD3-score2-1=2
| RD3-score2-2=4
| RD3-score2-3=7<sup>7
| RD3-score2-4=1
| RD3-score2-5= 
}}

 Paruh atas 
 Bagian 1 

 Bagian 2 

 Bagian 3 

 Bagian 4 

 Paruh bawah 
 Bagian 5 
{{16TeamBracket-Compact-Tennis5
| RD1=Putaran Pertama
| RD2=Putaran Kedua
| RD3=Putaran Ketiga
| RD4=Putaran Keempat

| RD1-seed01=LL
| RD1-team01= R Dutra da Silva
| RD1-score01-1=6
| RD1-score01-2=3
| RD1-score01-3=6
| RD1-score01-4=1
| RD1-score01-5= 
| RD1-seed02=Q
| RD1-team02= L Sorensen
| RD1-score02-1=0
| RD1-score02-2=6
| RD1-score02-3=4
| RD1-score02-4=0<sup>r
| RD1-score02-5= 

| RD1-seed03= 
| RD1-team03=
| RD1-score03-1=4
| RD1-score03-2=4
| RD1-score03-3=6
| RD1-score03-4=7<sup>7
| RD1-score03-5=6
| RD1-seed04=WC
| RD1-team04= S Johnson
| RD1-score04-1=6
| RD1-score04-2=6
| RD1-score04-3=3
| RD1-score04-4=6<sup>3
| RD1-score04-5=3

| RD1-seed05=WC
| RD1-team05= R Ginepri
| RD1-score05-1=6
| RD1-score05-2=6
| RD1-score05-3=6<sup>5
| RD1-score05-4=6
| RD1-score05-5= 
| RD1-seed06=Q
| RD1-team06= J Souza
| RD1-score06-1=3
| RD1-score06-2=4
| RD1-score06-3=7<sup>7
| RD1-score06-4=1
| RD1-score06-5= 

| RD1-seed07= 
| RD1-team07= M Baghdatis
| RD1-score07-1=6<sup>2
| RD1-score07-2=6<sup>11
| RD1-score07-3=6
| RD1-score07-4=4
| RD1-score07-5= 
| RD1-seed08=28
| RD1-team08= J Isner
| RD1-score08-1=7<sup>7
| RD1-score08-2=7<sup>13
| RD1-score08-3=2
| RD1-score08-4=6
| RD1-score08-5= 

| RD1-seed09=18
| RD1-team09= JM del Potro
| RD1-score09-1=6
| RD1-score09-2=6
| RD1-score09-3=6
| RD1-score09-4= 
| RD1-score09-5= 
| RD1-seed10= 
| RD1-team10= F Volandri
| RD1-score10-1=3
| RD1-score10-2=1
| RD1-score10-3=1
| RD1-score10-4= 
| RD1-score10-5= 

| RD1-seed11= 
| RD1-team11= D Junqueira
| RD1-score11-1=6
| RD1-score11-2= 
| RD1-score11-3= 
| RD1-score11-4= 
| RD1-score11-5= 
| RD1-seed12= 
| RD1-team12= K Beck
| RD1-score12-1=2<sup>r
| RD1-score12-2= 
| RD1-score11-3= 
| RD1-score11-4= 
| RD1-score11-5= 

| RD1-seed13= 
| RD1-team13= G García-López
| RD1-score13-1=6
| RD1-score13-2=1
| RD1-score13-3=77
| RD1-score13-4=4
| RD1-score13-5=77
| RD1-seed14= 
| RD1-team14= D Gimeno-Traver
| RD1-score14-1=3
| RD1-score14-2=6
| RD1-score14-3=61
| RD1-score14-4=6
| RD1-score14-5=64

| RD1-seed15= 
| RD1-team15= R Mello
| RD1-score15-1=6
| RD1-score15-2=3
| RD1-score15-3=4
| RD1-score15-4=6
| RD1-score15-5=4
| RD1-seed16=12
| RD1-team16= G Simon
| RD1-score16-1=3
| RD1-score16-2=6
| RD1-score16-3=6
| RD1-score16-4=3
| RD1-score16-5='''6

| RD2-seed01=LL
| RD2-team01= R Dutra da Silva
| RD2-score01-1=4
| RD2-score01-2=3
| RD2-score01-3=5
| RD2-score01-4= 
| RD2-score01-5= 
| RD2-seed02= 
| RD2-team02=

Bagian 6

Bagian 7

Bagian 8

Peringkat akhir 

Catatan: Hanya berdasarkan perhitungan. Kalau salah, harap memberitahu.

Referensi 
 Undian Utama

Tunggal Putra
AS Terbuka – Tunggal