2018 ATP Shenzhen Open

The 2018 ATP Shenzhen Open was a professional men's tennis tournament played on hard courts. It was the 5th edition of the tournament, and part of the ATP World Tour 250 series of the 2018 ATP World Tour. It took place at the Shenzhen Longgang Tennis Centre in Shenzhen, China from September 24 to 30.

Singles main draw entrants

Seeds

¹ Rankings are as of September 17, 2018

Other entrants

The following players received entry from the qualifying draw:

Withdrawals

;Before the tournament

Denis Istomin →replaced by Mackenzie McDonald
Benoît Paire →replaced by Jiří Veselý

Retirements

Doubles main draw entrants

Seeds

¹ Rankings are as of September 1, 2018

Other entrants

The following pairs received wildcards into the doubles main draw:

Li Zhe / Wu Di
Sun Fajing / Zhang Zhizhen

Withdrawals

;During the tournament

Denis Kudla

Champions

Singles

Yoshihito Nishioka def. Pierre-Hugues Herbert, 7–5, 2–6, 6–4

Doubles

Ben McLachlan / Joe Salisbury def. Robert Lindstedt / Rajeev Ram, 7–6, 7–6.