Concurso Internacional de Tenis – San Sebastián 2011 – Tunggal

Albert Ramos berhasil mempertahankan gelar juaranya setelah mengalahkan Pere Riba dengan skor 6–1, 6–2.

Unggulan 

 ' Albert Ramos (Juara)
  Pere Riba (Juara Kedua)
  Daniel Gimeno-Traver (Semifinal)
  Thiemo de Bakker (Putaran Pertama)

<li>  Benoît Paire (Putaran Pertama)
<li>  Augustin Gensse (Putaran Kedua, berhenti)
<li>  Guillermo Olaso ''(Putaran Pertama, berhenti karena sakit panas)
<li>  Roberto Bautista-Agut ''(Perempatfinal)

Hasil pengundian

Final 
{{4TeamBracket-Tennis3-v2
| RD1=Semifinal
| RD2=Final

| team-width=175

| RD1-seed1=1
| RD1-team1= Albert Ramos
| RD1-score1-1=6
| RD1-score1-2=6
| RD1-score1-3= 
| RD1-seed2=3
| RD1-team2= Daniel Gimeno-Traver
| RD1-score2-1=4
| RD1-score2-2=4
| RD1-score2-3= 

| RD1-seed3= 
| RD1-team3= Simone Vagnozzi
| RD1-score3-1=0
| RD1-score3-2=2
| RD1-score3-3= 
| RD1-seed4=2
| RD1-team4= Pere Riba
| RD1-score4-1=6
| RD1-score4-2=6
| RD1-score4-3= 

| RD2-seed1=1
| RD2-team1= Albert Ramos
| RD2-score1-1=6
| RD2-score1-2=6
| RD2-score1-3= 
| RD2-seed2=2
| RD2-team2= Pere Riba
| RD2-score2-1=1
| RD2-score2-2=2
| RD2-score2-3= 
}}

 Paruh atas 
{{16TeamBracket-Compact-Tennis3
| RD1=Putaran Pertama
| RD2=Putaran Kedua
| RD3=Perempatfinal
| RD4=Semifinal

| RD1-seed01=1
| RD1-team01= A Ramos
| RD1-score01-1=6
| RD1-score01-2=6
| RD1-score01-3= 
| RD1-seed02= 
| RD1-team02= J Martí
| RD1-score02-1=3
| RD1-score02-2=1
| RD1-score02-3= 

| RD1-seed03= 
| RD1-team03= G Alcaide
| RD1-score03-1=6
| RD1-score03-2=6
| RD1-score03-3= 
| RD1-seed04=
| RD1-team04= J Eysseric
| RD1-score04-1=2
| RD1-score04-2=4
| RD1-score04-3= 

| RD1-seed05=Q
| RD1-team05= Gorka Fraile
| RD1-score05-1=6
| RD1-score05-2=6
| RD1-score05-3= 
| RD1-seed06=WC
| RD1-team06=
| RD1-score06-1=1
| RD1-score06-2=3
| RD1-score06-3= 

| RD1-seed07= 
| RD1-team07= I Navarro
| RD1-score07-1=3
| RD1-score07-2=4
| RD1-score07-3= 
| RD1-seed08=8
| RD1-team08= R Bautista-Agut
| RD1-score08-1=6
| RD1-score08-2=6
| RD1-score08-3= 

| RD1-seed09=3
| RD1-team09=
| RD2-score05-1=4
| RD2-score05-2=7
| RD2-score05-3=7
| RD2-seed06= 
| RD2-team06= L Sorensen
| RD2-score06-1=6
| RD2-score06-2=5
| RD2-score06-3=5

| RD2-seed07= 
| RD2-team07= J Sousa
| RD2-score07-1=6
| RD2-score07-2=7<sup>7
| RD2-score07-3= 
| RD2-seed08= 
| RD2-team08= J Aguilar
| RD2-score08-1=4
| RD2-score08-2=6<sup>1
| RD2-score08-3= 

| RD3-seed01=1
| RD3-team01= A Ramos
| RD3-score01-1=1
| RD3-score01-2=6
| RD3-score01-3=6
| RD3-seed02=8
| RD3-team02= R Bautista-Agut
| RD3-score02-1='''6
| RD3-score02-2=4
| RD3-score02-3=1

| RD3-seed03=3
| RD3-team03=

Paruh bawah

Referensi 
 Undian Utama
 Undian Kualifikasi

Concurso Internacional de Tenis – San Sebastián – Tunggal