| Doubles | |
|---|---|
| 2013 Sibiu Open | |
| Champion |  Rameez Junaid  Philipp Oswald |
| Runner-up |  Jamie Delgado Jordan Kerr |
| Final score | 6–4, 6–4 |
Marin Draganja and Lovro Zovko were the defending champions but chose not to compete.
Rameez Junaid and Philipp Oswald won the title, defeating Jamie Delgado and Jordan Kerr 6–4, 6–4 in the final.
Rameez Junaid / Philipp Oswald (champions) Jamie Delgado / Jordan Kerr (final)
Gero Kretschmer / Alexander Satschko (first round)
Stephan Fransen / Wesley Koolhof (quarterfinals)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | R Junaid P Oswald | 79 | 6 | ||||||||||||||||||||||||
 A Kapaś G Panfil | 67 | 3 | 1 | R Junaid P Oswald | 6 | 6 | |||||||||||||||||||||
| WC |  Lucian Gheorghe P Grigoriu | 7 | 6 | WC | L Gheorghe P Grigoriu | 3 | 2 | ||||||||||||||||||||
| WC | Dan Dumitrașcu Eduard Popa | 5 | 3 | 1 | R Junaid P Oswald | 710 | 6 | ||||||||||||||||||||
| 3 | G Kretschmer A Satschko | 2 | 6 | 5 |  V Mirzadeh  J Pospíšil | 68 | 4 | ||||||||||||||||||||
| V Mirzadeh J Pospíšil | 6 | 0 | [10] | V Mirzadeh J Pospíšil | w/o | ||||||||||||||||||||||
 M Cecchinato R Marcora | 0 | 69 |  K Čapkovič P Červenák | ||||||||||||||||||||||||
| K Čapkovič P Červenák | 6 | 711 | 1 | R Junaid P Oswald | 6 | 6 | |||||||||||||||||||||
| WC | Rareș Ispas F Volandri | 1 | 0 | 2 | J Delgado J Kerr | 4 | 4 | ||||||||||||||||||||
Alexandru-Daniel Carpen M Pavić | 6 | 6 | A-D Carpen M Pavić | 77 | 6 | ||||||||||||||||||||||
| P-A Luncanu F Mergea | 64 | 3 | 4 | S Fransen W Koolhof | 64 | 4 | |||||||||||||||||||||
| 4 | S Fransen W Koolhof | 77 | 6 | A-D Carpen M Pavić | 6 | 2 | [4] | ||||||||||||||||||||
| A Giannessi A Motti | 4 | 611 | 2 | J Delgado J Kerr | 2 | 6 | [10] | ||||||||||||||||||||
 N Ćirić G Tošić | 6 | 713 | N Ćirić G Tošić | 64 | 3 | ||||||||||||||||||||||
| S Groen B Westerhof | 3 | 1 | 2 | J Delgado J Kerr | 77 | 6 | |||||||||||||||||||||
| 2 | J Delgado J Kerr | 6 | 6 | ||||||||||||||||||||||||
Marc López and Gabriel Trujillo-Soler were the defending champions. Trujillo-Soler chose to not participate this year and López partnered up with Leonardo Azzaro. They lost to Rameez Junaid and Philipp Marx in the second round.
Junaid and Marx won in the final 6–4, 6–3, against Jesse Huta Galung and Rui Machado.
Daniel Köllerer and Frank Moser were the defending champions, but they didn't try to defend their title.
Argentinian pair Diego Álvarez and Juan-Martín Aranguren defeated Henri Laaksonen and Philipp Oswald 6–4, 4–6, [10–2] in the final.
Jonathan Erlich and Harel Levy were the defending champions, but they decided not to participate.
Rameez Junaid and Frank Moser defeated Jamie Delgado and Jonathan Marray 6–2, 6–4 in the final.
Yves Allegro and Horia Tecău, who were the winners in 2008, chose to not compete this year.
Michael Kohlmann and Alexander Peya became the new champions, by defeating Philipp Marx and Igor Zelenay 6–4, 7–6(4) in the final.
Henri Kontinen and Frederik Nielsen won the final against Jordan Kerr and Ken Skupski 6–2, 6–4.
Philipp Marx and Igor Zelenay were the defending champions, but Zelenay did not participate.
Marx partnered with Michael Kohlmann, however they were eliminated by their compatriots Martin Emmrich and Andre Begemann in the quarterfinals.
Alexander Peya and Martin Slanar won in the final 7–6(1), 6–3, over Rameez Junaid and Frank Moser.
Thiemo de Bakker and Antal van der Duim were the defending champions but decided not to participate together.
de Bakker played alongside Thomas Schoorel, while van der Duim partnered up with Boy Westerhof.
Rameez Junaid and Simon Stadler won the final 4–6, 6–1, [10–5] against Simon Greul and Bastian Knittel.
Jamie Delgado and Ken Skupski were the defending champions but did not participate.
Karol Beck and Andrej Martin won the final 6–3, 3–6, [10–8] against Claudio Grassi and Amir Weintraub.
Laurynas Grigelis and Rameez Junaid were the defending champions but Grigelis decided not to participate.
Junaid played alongside Dustin Brown, but lost in the semifinals to Jesse Huta Galung and Konstantin Kravchuk.
They lost in the final 3–6, 6–4, [7–10] to Tomasz Bednarek and Andreas Siljeström.
Dustin Brown and Jonathan Marray were the defending champions but Marray decided not to participate.
Brown played alongside Jamie Delgado, but they lost in the quarterfinals to Dominik Meffert and Philipp Oswald.
Andreas Beck and Martin Fischer defeated Martin Emmrich and Rameez Junaid 7–6(7–2), 6–0 in the final to win the title.
Jerzy Janowicz and Jürgen Zopp were the defending champions but decided not to participate.
Dominik Meffert and Philipp Oswald defeated Jamie Delgado and Andreas Siljeström 3–6, 7–6(7–0), [10–7] in the final to win the title.
Jamie Delgado and Ken Skupski were the defending champions, but decided not to participate together.
Delgado played alongside Andreas Siljeström, but they lost to Philipp Marx and Florin Mergea in the second round, while Skupski partnered with Andreas Beck, but they lost to Dustin Brown and Rameez Junaid in the first round.
Andre Begemann and Martin Emmrich defeated Marx and Mergea 7–6(7–4), 6–3 in the final to win the title.
This is the first edition of the event. Similar to singles, 2nd seeds Rameez Junaid and Frank Moser defeated top seeds Dustin Brown and Philipp Marx to win the title.
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.
This was the first edition of the event.
Sanchai Ratiwatana and Sonchat Ratiwatana were the defending champions, but lost in the first round to Jamie Delgado and Gilles Müller.
Tomasz Bednarek and Mateusz Kowalczyk were the two-time defending champions, but Bednarek did not participate that year. Kowalczyk played alongside Artem Sitak and they lost in the First Round to Adil Shamasdin and Franko Škugor.
Philipp Oswald and Andreas Siljeström were the defending champions, but Oswald did not participate that year, and Siljeström played alongside Roman Jebavý, but they lost in the final to Patrick Grigoriu and Costin Pavăl, 6–7(4–7), 7–6(7–4), [5–10].
František Čermák and Jiří Veselý were the defending champions, but Veselý chose not to participate. Čermák played alongside Radu Albot, but lost in the final to Andrey Rublev and Dmitry Tursunov, 6–2, 1–6, [6–10].
James Cerretani and Philipp Oswald were the defending champions but chose not to defend their title.