Gilles Müller was the defending champion, but lost in the quarterfinals to

Benoît Paire Benoît Paire (; born 8 May 1989) is a French professional tennis player. His best result in a Grand Slam has been reaching the fourth round, which he has achieved on four occasions. He has won three singles titles, at the 2015 Swedish Open, t ...

. Daniil Medvedev won his first ATP title, defeating Alex de Minaur in the final, 1–6, 6–4, 7–5.

Seeds

The top four

seeds A seed is an embryonic plant enclosed in a protective outer covering, along with a food reserve. The formation of the seed is a part of the process of reproduction in seed plants, the spermatophytes, including the gymnosperm and angiosperm pl ...

receive a bye into the second round.

Draw

Finals

Top half

Bottom half

Qualifying

Seeds

Qualifiers

Lucky loser

Qualifying draw

First qualifier

Second qualifier

Third qualifier

Fourth qualifier

Notes

References

Main Draw

Qualifying Draw
{{DEFAULTSORT:Sydney International - Men's Singles, 2018 Men's Singles