2018 Delray Beach Open

The 2018 Delray Beach Open was a professional tennis tournament played on hard courts. It was the 26th edition of the tournament, and part of the World Tour 250 category of the 2018 ATP World Tour. It took place in Delray Beach, United States between February 19 and February 25, 2018. Unseeded Frances Tiafoe, who entered the draw on a wildcard, won the singles title.

Seeds

 * 1 Rankings as of February 12, 2018

Other entrants
The following players received wildcards into the main draw:
 * 🇺🇸 John Isner
 * 🇺🇸 Reilly Opelka
 * 🇺🇸 Frances Tiafoe

The following players received entry from the qualifying draw:
 * 🇰🇿 Alexander Bublik
 * 🇮🇳 Ramkumar Ramanathan
 * Franko Škugor
 * 🇦🇺 John-Patrick Smith

The following players received entry as lucky losers:
 * Darian King
 * 🇬🇧 Cameron Norrie
 * 🇨🇦 Peter Polansky

Withdrawals

 * Before the tournament
 * Kevin Anderson → replaced by Darian King
 * 🇦🇺 Nick Kyrgios → replaced by 🇬🇧 Cameron Norrie
 * 🇫🇷 Adrian Mannarino → replaced by 🇨🇦 Peter Polansky

Seeds

 * 1 Rankings are as of February 12, 2018.

Other entrants
The following pairs received wildcards into the main draw:
 * 🇺🇸 Taylor Fritz / 🇺🇸 Stefan Kozlov
 * 🇨🇦 Peter Polansky / 🇨🇦 Denis Shapovalov

The following pair received entry as alternates:
 * Darian King / 🇺🇸 Anderson Reed

Withdrawals

 * Before the tournament
 * 🇺🇸 Sam Querrey

Singles

 * 🇺🇸 Frances Tiafoe defeated 🇩🇪 Peter Gojowczyk, 6–1, 6–4

Doubles

 * 🇺🇸 Jack Sock / 🇺🇸 Jackson Withrow defeated 🇺🇸 Nicholas Monroe / 🇦🇺 John-Patrick Smith, 4–6, 6–4, [10–8]