The 2020 Delray Beach Open was a professional men's tennis tournament played on hard courts. It was the 28th edition of the tournament, and part of the 2020 ATP Tour. It took place in Delray Beach, Florida, United States between 17 February and 23 February 2020.[1]
| width=70 | Country | width=175 | Player | Rank1 | Seed |
|---|---|---|---|---|---|
 Australia | |||||
 Canada | Milos Raonic | 32 | 2 | ||
| Taylor Fritz | 36 | 3 | |||
| Reilly Opelka | 40 | 4 | |||
| Australia | John Millman | 41 | 5 | ||
 France | Ugo Humbert | 43 | 6 | ||
| France | Adrian Mannarino | 44 | 7 | ||
 Moldova, Republic of | Radu Albot | 50 | 8 |
The following players received wildcards into the main draw:
The following players received entry into the singles main draw using a protected ranking:
The following player received entry as a special exempt:
The following players received entry from the qualifying draw:
The following players received entry as lucky losers:
Kyle Edmund → replaced by 
Stefan Kozlov Nick Kyrgios → replaced by 
Daniel Elahi Galán
Kei Nishikori → replaced by Henri Laaksonen Tennys Sandgren → replaced by Bernard Tomic
Andreas Seppi → replaced by 
Denis Istomin| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
| Bob Bryan | Mike Bryan | 52 | 1 | |||
 Mexico | Santiago González | United Kingdom | Ken Skupski | 85 | 2 | |
 New Zealand | Marcus Daniell |  Austria | Philipp Oswald | 91 | 3 | |
| United Kingdom | Luke Bambridge | Japan | Ben McLachlan | 96 | 4 |
The following pairs received wildcards into the main draw:
See main article: 2020 Delray Beach Open – Singles.
Reilly Opelka defeated Yoshihito Nishioka, 7–5, 6–7(4–7), 6–2See main article: 2020 Delray Beach Open – Doubles.
Bob Bryan / Mike Bryan defeated Luke Bambridge / Ben McLachlan, 3–6, 7–5, [10–5]