# 2016 Delray Beach International Tennis Championships – Singles

Ivo Karlović was the defending champion, but lost to John-Patrick Smith in the first round.
Sam Querrey won the title, defeating Rajeev Ram in the final, 6–4, 7–6$^{(8–6)}$.
The tournament marked the return of Juan Martín del Potro after suffered from wrist injury.

## Seeds

* Kevin Anderson (first round, retired)
* Bernard Tomic (first round)
* Ivo Karlović (first round)
* Grigor Dimitrov (semifinals)
* Jérémy Chardy (quarterfinals)
* Steve Johnson (second round)
* Donald Young (second round)
* Adrian Mannarino (quarterfinals)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final |
| | Sam Querrey | 7 | 7 | | | |
| WC | Juan Martín del Potro | 5 | 5 | | | |
| WC | Juan Martín del Potro | 5 | 5 | Sam Querrey | 6 | 7$^8$ |
| | | | | Rajeev Ram | 4 | 6$^6$ |
| 4 | Grigor Dimitrov | 4 | 3 | Rajeev Ram | 4 | 6$^6$ |
| | Rajeev Ram | 6 | 6 | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | K Anderson | 6$^3$ | 0$^r$ | | | | | | | | | | | | | | | |
| | A Krajicek | 7$^7$ | 0 | | | A Krajicek | 4 | 2 | | | | | | | | | | |
| | S Querrey | 4 | 6 | 6 | | S Querrey | 6 | 6 | | | | | | | | | | |
| | T de Bakker | 6 | 3 | 4 | | | | | | | S Querrey | 6$^1$ | 7$^7$ | 6 | | | | |
| SE | T Fritz | 3 | 3 | | | | | | | WC | T Smyczek | 7$^7$ | 6$^4$ | 4 | | | | |
| WC | T Smyczek | 6 | 6 | | WC | T Smyczek | 1 | 7$^7$ | 6 | | | | | | | | | |
| | M Kukushkin | 6$^3$ | 0$^r$ | | 7 | D Young | 6 | 6$^2$ | 2 | | | | | | | | | |
| 7 | D Young | 7$^7$ | 3 | | | | | | | | | | | | | S Querrey | 7 | 7 |
| 3 | I Karlović | 3 | 6 | 2 | | | | | | | | | | | WC | JM del Potro | 5 | 5 |
| Q | J-P Smith | 6 | 3 | 6 | Q | J-P Smith | 4 | 4 | | | | | | | | | | |
| WC | JM del Potro | 6 | 6 | | WC | JM del Potro | 6 | 6 | | | | | | | | | | |
| | D Kudla | 1 | 4 | | | | | | | WC | JM del Potro | 6 | 6 | | | | | |
| WC | N Rubin | 6 | 4 | 7$^8$ | | | | | | 5 | J Chardy | 2 | 3 | | | | | |
| | S Groth | 4 | 6 | 6$^6$ | WC | N Rubin | 4 | 2 | | | | | | | | | | |
| | M Ebden | 2 | 1 | | 5 | J Chardy | 6 | 6 | | | | | | | | | | |
| 5 | J Chardy | 6 | 6 | | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 8 | A Mannarino | 1 | 6 | 6 | | | | | | | | | | | | | | |
| | M Jaziri | 6 | 3 | 1 | 8 | A Mannarino | 7$^8$ | 6$^4$ | 6 | | | | | | | | | |
| Q | T Ito | 6 | 6 | | Q | T Ito | 6$^6$ | 7$^7$ | 3 | | | | | | | | | |
| Q | D Novikov | 2 | 4 | | | | | | | 8 | A Mannarino | 4 | 5 | | | | | |
| | D Džumhur | 6 | 6 | | | | | | | 4 | G Dimitrov | 6 | 7 | | | | | |
| | R Berankis | 4 | 2 | | | D Džumhur | 6 | 4 | 3 | | | | | | | | | |
| | D Sela | 4 | 2 | | 4 | G Dimitrov | 4 | 6 | 6 | | | | | | | | | |
| 4 | G Dimitrov | 6 | 6 | | | | | | | | | | | | 4 | G Dimitrov | 4 | 3 |
| 6 | S Johnson | 6 | 5 | 7$^{10}$ | | | | | | | | | | | | R Ram | 6 | 6 |
| | J Millman | 3 | 7 | 6$^8$ | 6 | S Johnson | 7 | 6$^1$ | 3 | | | | | | | | | |
| Q | R Albot | 4 | 1 | | | B Becker | 5 | 7$^7$ | 6 | | | | | | | | | |
| | B Becker | 6 | 6 | | | | | | | | B Becker | 6 | 4 | 3 | | | | |
| | M Granollers | 3 | 4 | | | | | | | | R Ram | 3 | 6 | 6 | | | | |
| | I Marchenko | 6 | 6 | | | I Marchenko | 2 | 7 | 4 | | | | | | | | | |
| | R Ram | 7$^7$ | 6 | | | R Ram | 6 | 5 | 6 | | | | | | | | | |
| 2 | B Tomic | 6$^3$ | 1 | | | | | | | | | | | | | | | |

## Qualifying
### Seeds

* Luca Vanni (qualifying competition)
* Tatsuma Ito (qualified)
* Radu Albot (qualified)
* Alejandro Falla (qualifying competition)
* Yoshihito Nishioka (qualifying competition)
* Bjorn Fratangelo (qualifying competition)
* John-Patrick Smith (qualified)
* Dennis Novikov (qualified)

### Qualifiers

* Dennis Novikov
* Tatsuma Ito
* Radu Albot
* John-Patrick Smith

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Luca Vanni | 7 | 6 | | | | | | |
| Alt | Artem Smirnov | 5 | 2 | | | | | | |
| Alt | Artem Smirnov | 5 | 2 | | 1 | Luca Vanni | 6$^0$ | 6 | 6$^6$ |
| | | | | | 8 | Dennis Novikov | 7$^7$ | 3 | 7$^8$ |
| | Jared Donaldson | 3 | 7$^7$ | 3 | 8 | Dennis Novikov | 7$^7$ | 3 | 7$^8$ |
| 8 | Dennis Novikov | 6 | 6$^4$ | 6 | | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Tatsuma Ito | 6 | 6$^5$ | 7 | | | | | |
| | James McGee | 3 | 7$^7$ | 5 | | | | | |
| | James McGee | 3 | 7$^7$ | 5 | 2 | Tatsuma Ito | 6 | 4 | 6 |
| | | | | | 6 | Bjorn Fratangelo | 3 | 6 | 4 |
| WC | Edoardo Tessaro | 2 | 3 | | 6 | Bjorn Fratangelo | 3 | 6 | 4 |
| 6 | Bjorn Fratangelo | 6 | 6 | | | | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Radu Albot | 5 | 6 | 6 | | | | |
| Alt | Eric Quigley | 7 | 4 | 1 | | | | |
| Alt | Eric Quigley | 7 | 4 | 1 | 3 | Radu Albot | 6 | 6 |
| | | | | | 5 | Yoshihito Nishioka | 4 | 3 |
| WC | Tommy Paul | 4 | 7 | 4 | 5 | Yoshihito Nishioka | 4 | 3 |
| 5 | Yoshihito Nishioka | 6 | 5 | 6 | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Alejandro Falla | 5 | 6 | 6 | | | | | |
| | Somdev Devvarman | 7 | 2 | 1 | | | | | |
| | Somdev Devvarman | 7 | 2 | 1 | 4 | Alejandro Falla | 2 | 6 | 1 |
| | | | | | 7 | John-Patrick Smith | 6 | 2 | 6 |
| | Andrey Rublev | 6 | 3 | 0 | 7 | John-Patrick Smith | 6 | 2 | 6 |
| 7 | John-Patrick Smith | 4 | 6 | 6 | | | | | |