2013 International German Open

The 2013 International German Open (also known as the bet–at–home Open – German Tennis Championships 2013 for sponsorship reasons) was a men's tennis tournament played on outdoor red clay courts. It was the 107th edition of the event known that year as the International German Open and was part of the ATP World Tour 500 series of the 2013 ATP World Tour. It took place at the Am Rothenbaum in Hamburg, Germany, from 14 July through 22 July 2013. Twelfth-seeded Fabio Fognini won the singles title.

Seeds

 * 1 Rankings are as of July 8, 2013

Other entrants
The following players received wildcards into the singles main draw:
 * Roger Federer
 * 🇩🇪 Julian Reister
 * 🇩🇪 Jan-Lennard Struff
 * 🇩🇪 Alexander Zverev

The following players received entry from the qualifying draw:
 * 🇦🇷 Federico Delbonis
 * 🇰🇿 Andrey Golubev
 * 🇨🇿 Jan Hájek
 * Blaž Kavčič
 * 🇵🇱 Łukasz Kubot
 * 🇦🇷 Diego Sebastián Schwartzman

Withdrawals

 * Before the tournament
 * Pablo Cuevas
 * 🇦🇹 Jürgen Melzer
 * 🇫🇮 Jarkko Nieminen
 * 🇫🇷 Gilles Simon
 * 🇦🇺 Bernard Tomic

Retirements

 * 🇵🇱 Jerzy Janowicz (right arm injury)

Seeds

 * Rankings are as of July 8, 2013

Other entrants
The following pairs received wildcards into the doubles main draw:
 * 🇩🇪 Andre Begemann / 🇩🇪 Martin Emmrich
 * 🇩🇪 Daniel Brands / 🇩🇪 Christopher Kas

Withdrawals

 * During the tournament
 * 🇪🇸 David Marrero (right calf injury)
 * 🇫🇷 Benoît Paire (elbow injury)

Singles

 * 🇮🇹 Fabio Fognini defeated 🇦🇷 Federico Delbonis, 4–6, 7–6(10–8), 6–2

Doubles

 * 🇵🇱 Mariusz Fyrstenberg / 🇵🇱 Marcin Matkowski defeated 🇦🇹 Alexander Peya / 🇧🇷 Bruno Soares, 3–6, 6–1, [10–8]