Ceko Terbuka 2011 – Tunggal

Jan Hájek merupakan juara bertahan turnamen ini, akan tetapi dikalahkan Mikhail Youzhny di putaran kedua.
Yuri Schukin keluar sebagai juara setelah mengalahkan Flavio Cipolla dengan skor 6–4, 4–6, 6–0.

 Unggulan 

  Mikhail Youzhny (Perempatfinal, berhenti karena cedera kaki kiri)
  Tommy Robredo (tidak ikut)
  Andreas Seppi (Perempatfinal)
  Daniel Gimeno-Traver (Putaran Pertama)

<li>  Lu Yen-hsun (Putaran Pertama)
<li>  Radek Štěpánek (Semifinal)
<li>  Carlos Berlocq ''(Putaran Pertama)
<li>  Filippo Volandri ''(Putaran Kedua)

 Hasil pengundian 

 Final 

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

| team-width=160

| RD1-seed01=7
| RD1-team01= C Berlocq
| RD1-score01-1=2
| RD1-score01-2=6<sup>2
| RD1-score01-3= 
| RD1-seed02= 
| RD1-team02= J Souza
| RD1-score02-1=6
| RD1-score02-2=7
| RD1-score02-3= 

| RD1-seed03= 
| RD1-team03= V Estrella
| RD1-score03-1=3
| RD1-score03-2=6
| RD1-score03-3=6
| RD1-seed04=Q
| RD1-team04= Roman Vogeli
| RD1-score04-1=6
| RD1-score04-2=3
| RD1-score04-3=4

| RD1-seed05= 
| RD1-team05= J Pospíšil
| RD1-score05-1=6
| RD1-score05-2=7
| RD1-score05-3= 
| RD1-seed06= 
| RD1-team06= R Ramírez Hidalgo
| RD1-score06-1=3
| RD1-score06-2=6<sup>5
| RD1-score06-3= 

| RD1-seed07= 
| RD1-team07=
| RD2-score04-1=6
| RD2-score04-2=6
| RD2-score04-3= 

| RD2-seed05= 
| RD2-team05= A Ramos
| RD2-score05-1=3
| RD2-score05-2=3
| RD2-score05-3= 
| RD2-seed06=Q
| RD2-team06= E Korolev
| RD2-score06-1=6
| RD2-score06-2=6
| RD2-score06-3= 

| RD2-seed07= 
| RD2-team07= F Cipolla
| RD2-score07-1=6
| RD2-score07-2=6
| RD2-score07-3= 
| RD2-seed08= 
| RD2-team08= G Olaso
| RD2-score08-1=4
| RD2-score08-2=4
| RD2-score08-3= 

| RD3-seed01= 
| RD3-team01= V Estrella
| RD3-score01-1='''7
| RD3-score01-2=5
| RD3-score01-3=3
| RD3-seed02= 
| RD3-team02=

 Referensi 
 Undian Utama
 Undian Kualifikasi

UniCredit Czech Open – Tunggal