2018 Queen's Club Championships – Singles
was the defending champion, but lost in the quarterfinals to Nick Kyrgios.
Marin Čilić won the title, after beating Novak Djokovic 5–7, 7–6, 6–3 in the final, despite being a match point down in the second set.
This was Djokovic's first ATP Tour final in almost a year, and Cilic's overall second and first straight victory against him in 16 matches.Seeds
Draw
Finals
Top half
Seeds
Qualifiers
Qualifying draw
Second qualifier
Third qualifier
