Miles Armstrong and Sadik Kadir were the defending champions, but Armstrong chose to not participate this year. Kadir partnered up with Joseph Sirianni, but they lost 7–5, 5–7, [11–13] against Rameez Junaid and Daniel King-Turner in the first round.
Matthew Ebden and Samuel Groth won the title, defeating James Lemke and Dane Propoggia 6–7(8–10), 7–6(7–4), [10–8] in the final.
Aisam-ul-Haq Qureshi and Martin Slanar were the defending champions, but they didn't participate this year.
Sanchai Ratiwatana and Sonchat Ratiwatana were the defending champions, but they lost against Pierre-Ludovic Duclos and Yang Tsung-hua in the semifinals.
Rameez Junaid and Alexander Peya won in the final 6–4, 7–5 against Duclos and Yang.
Matthew Ebden and Samuel Groth won this tournament. They defeated Pavol Červenák and Ivo Klec 6–3, 3–6, [10–1] in the final.
Martin Fischer and Philipp Oswald were the defending champions, but Fischer chose not to participate this year.
As a result, Oswald played alongside Nikolaus Moser. They reached the quarterfinals, but lost to Andrey Kumantsov and Michael Ryderstedt.
Dominik Meffert and Simon Stadler won the title after defeating Andre Begemann and James Lemke 7–5, 2–6, [10–7].
The 2011 Siemens Open was a professional tennis tournament played on clay courts. It was part of the Tretorn SERIE+ of the 2011 ATP Challenger Tour. It was the 19th edition of the tournament. It took place in Scheveningen, Netherlands between July 4 and July 10, 2011.
Dominik Meffert and Björn Phau won the title, defeating Teymuraz Gabashvili and Andrey Kuznetsov 6–4, 6–3 in the final.
Robin Haase and Rogier Wassen were the defending champions, but Haase decided not to participate.
Wassen played alongside Jesse Huta Galung. They were eliminated already in the first round.
Robin Haase and Thomas Schoorel were the defending champions, but decided not to participate.
Andre Begemann and Martin Emmrich were the defending champions, but decided not to participate.
Karol Beck and Lukáš Rosol were the defending champions, but decided not to participate.
Colin Ebelthite and Jaroslav Pospíšil won the title, defeating Alexander Bury and Andrei Vasilevski 6–3, 6–4 in the final.
Matthew Ebden and Samuel Groth were the defending champions but Ebden decided not to participate.
Groth partners up with Adam Feeney, but lost in the first round to John Peers and John-Patrick Smith.
Peers and Smith then went on to win the title, defeating John Paul Fruttero and Raven Klaasen in the final, 7–6(7–5), 6–4.
Colin Ebelthite and Adam Feeney were the defending champions but decided not to participate.
Antal van der Duim and Boy Westerhof won the title, defeating Rameez Junaid and Simon Stadler 6–4, 5–7, [10–7] in the final.
Rameez Junaid and Simon Stadler were the defending champions, but they did not participate that year.
Gero Kretschmer and Alexander Satschko won the title, defeating Henri Kontinen and Mateusz Kowalczyk in the final, 6–3, 6–3.
Arnau Brugués-Davi and João Sousa were the defending champions but Arnau decided not to participate.
Sousa played alongside Frank Moser but lost in the first round.
Colin Ebelthite and Rameez Junaid won the title after defeating Christian Harrison and Michael Venus 6–4, 7–5 in the final.
The men's doubles of the 2013 Prague Open by Advantage Cars tournament was played on clay in Prague, Czech Republic. Lukáš Rosol and Horacio Zeballos were the defending champions, but both decided not to participate.
Lee Hsin-han and Peng Hsien-yin defeated Vahid Mirzadeh and Denis Zivkovic 6–4, 4–6, [10–5] in the final to win the title.
This was the first edition of the tournament.
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.
Colin Ebelthite and Rameez Junaid were the defending champions, but decided not to compete.
Samuel Groth and Joseph Sirianni were the defending champions, but Groth chose to not participate this year. Sirianni partnered up with Andrew Coelho, but they lost 6–7(6–8), 4–6 against Miles Armstrong and Sadik Kadir in the quarterfinals.
Miles Armstrong and Sadik Kadir won in the final 6–3, 3–6, [10–7] against Peter Luczak and Robert Smeets.
Colin Ebelthite 
