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.
Singles main-draw entrants
Seeds
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 USA
|
Jack Sock | 8 | 1 |
 ARG
|
Juan Martín del Potro | 9 | 2 |
 RSA |
|||
| USA
|
Sam Querrey | 12 | 4 |
 AUS |
|||
| USA
|
John Isner | 18 | 6 |
 FRA |
|||
 KOR
|
Chung Hyeon | 30 | 8 |
 CAN
|
Milos Raonic | 31 | 9 |
- 1 Rankings as of February 12, 2018
Other entrants
The following players received wildcards into the main draw:
The following players received entry from the qualifying draw:
The following players received entry as lucky losers:
Withdrawals
- Before the tournament
- Kevin Anderson → replaced by
Darian King - Nick Kyrgios → replaced by
Cameron Norrie - Adrian Mannarino → replaced by Peter Polansky
Doubles main-draw entrants
Seeds
| Country | Player | Country | Player | Rank1 | Seed |
|---|---|---|---|---|---|
| USA
|
Bob Bryan | USA
|
Mike Bryan | 30 | 1 |
 BLR
|
Max Mirnyi |  AUT
|
Philipp Oswald | 92 | 2 |
 JPN
|
Ben McLachlan | FRA
|
Hugo Nys | 96 | 3 |
| USA
|
Nicholas Monroe | AUS
|
John-Patrick Smith | 100 | 4 |
- 1 Rankings are as of February 12, 2018.
Other entrants
The following pairs received wildcards into the main draw:
The following pair received entry as alternates:
Withdrawals
- Before the tournament
Finals
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]
References
- ^ "2018 Delray Beach – Singles draw". Association of Tennis Professionals (ATP).
- ^ "2018 Delray Beach – Doubles draw". Association of Tennis Professionals (ATP).