2013 International German Open – Singles
was the defending champion but lost to Nicolás Almagro in the quarterfinals.
Fabio Fognini defeated qualifier Federico Delbonis 4–6, 7–6, 6–2 to win his first ATP World Tour 500 event and second career title in as many weeks.Seeds
All seeds receive a bye into the second round.Draw
Finals
Section 2
Section 3
Section 4
Qualifying
Seeds
Qualifiers
Qualifying draw
First qualifier
Second qualifier
Third qualifier
Sixth qualifier