2013 Sibiu Open

{{TennisEventInfo|2013|Sibiu Open|

| date=23 – 29 September

| edition=2nd

| location=Sibiu, Romania

| champs={{flagicon|CZE}} Jaroslav Pospíšil

| champd={{flagicon|AUS}} Rameez Junaid / {{flagicon|AUT}} Philipp Oswald

| before_name=BRD Sibiu Challenger

}}

The 2013 Sibiu Open was a professional tennis tournament played on clay courts. It was the second edition of the tournament which was part of the 2013 ATP Challenger Tour. It takes place in Sibiu, Romania between 23 and 29 September 2013.

Singles main draw entrants

=Seeds=

class="sortable wikitable"
width="70"| Country

! width="195"| Player

! Rank1

! Seed

{{flag|ITA}}

|Filippo Volandri

|91

|1

{{flag|CZE}}

|Jan Hájek

|103

|2

{{flag|GER}}

|Julian Reister

|107

|3

{{flag|AUT}}

|Andreas Haider-Maurer

|108

|4

{{flag|ROU}}

|Adrian Ungur

|117

|5

{{flag|SRB}}

|Dušan Lajović

|144

|6

{{flag|ESP}}

|Pere Riba

|156

|7

{{flag|ITA}}

|Marco Cecchinato

|185

|8

{{flag|NED}}

|Thomas Schoorel

|192

|9

  • 1 Rankings are as of September 16, 2013.

=Other entrants=

The following players received wildcards into the singles main draw:

The following players received entry from the qualifying draw:

The following players received entry as a lucky loser the singles main draw:

Champions

=Singles=

{{main|2013 Sibiu Open – Singles}}

=Doubles=

{{main|2013 Sibiu Open – Doubles}}