Seeds

Country	Player	Rank1	Seed
GER	Jan-Lennard Struff	56	1
CZE	Jiří Veselý	89	2
EST	Jürgen Zopp	96	3
ITA	Paolo Lorenzi	110	4
SVK	Martin Kližan	112	5
GER	Yannick Hanfmann	135	6
NOR	Casper Ruud	138	7
ITA	Simone Bolelli	144	8

• ¹ Rankings are as of 30 July 2018.

Other entrants

The following players received wildcards into the singles main draw:

• Daniel Masur
• Rudolf Molleker
• Tim Pütz
• Jan-Lennard Struff

The following players received entry into the singles main draw as special exempts:

• Pedro Cachin
• Gonçalo Oliveira

The following players received entry from the qualifying draw:

• Kimmer Coppejans
• Kevin Krawietz
• Gianluca Mager
• Mikael Ymer

The following players received entry as lucky losers:

• Alen Avidzba
• Arthur De Greef
• Alexandre Müller

Singles

• Pedro Sousa def. Jan-Lennard Struff 6–1, 6–3.

Doubles

• Sander Gillé / Joran Vliegen def. Simone Bolelli / Daniele Bracciali 6–2, 6–2.