Leonardo Mayer Leonardo Martín Mayer (, ; born May 15, 1987) is a tennis coach and a former professional player from Argentina. Mayer achieved a career-high singles ranking of world No. 21 in June 2015 and world No. 48 in doubles in January 2019. Career ...

was the defending champion, but lost in the final to

Nikoloz Basilashvili Nikoloz Basilashvili ( ka, ნიკოლოზ ბასილაშვილი, tr, ; born 23 February 1992) is a Georgian professional tennis player. He reached a career-high ATP singles ranking of world No. 16 on 27 May 2019 making him the ...

, 4–6, 6–0, 5–7. This was Basilashvili's first

ATP World Tour The ATP Tour (known as ATP World Tour between January 2009 and December 2018) is the sole worldwide top-tier tennis tour for men organized by the Association of Tennis Professionals (ATP) founded in 1990 that replaced the earlier dual Grand Pri ...

title, as well as the first ATP title won by a Georgian player since

Alexander Metreveli Alexander Irakliyevich Metreveli ( ka, ალექსანდრე მეტრეველი, tr, ; ; born 2 November 1944) is a retired Soviet tennis player of Georgian background. Personal info Metreveli is an honorary citizen of Aust ...

Seeds

Draw

Finals

Top half

Bottom half

Qualifying

Seeds

Qualifiers

Lucky loser

# Thiago Monteiro

Qualifying draw

First qualifier

Second qualifier

Third qualifier

Fourth qualifier

References

Main drawQualifying draw
{{DEFAULTSORT:2018 German Open - Singles German Open - Singles 2018 International German Open