# 2015 Citi Open – Men's singles

Milos Raonic was the defending champion, but chose not to participate this year.
Kei Nishikori won the title, defeating John Isner in the final, 4–6, 6–4, 6–4.

## Seeds

All seeds receive a bye into the second round.
    01. Andy Murray (second round)
    02. Kei Nishikori (champion)
    03. Marin Čilić (semifinals)
    04. Richard Gasquet (third round)
    05. Kevin Anderson (second round)
    06. Grigor Dimitrov (third round)
    07. Feliciano López (third round)
    08. John Isner (final)
    09. Viktor Troicki (second round)
    10. Ivo Karlović (second round)
    11. Bernard Tomic (second round)
    12. Vasek Pospisil (third round)
    13. Sam Querrey (third round)
    14. Pablo Cuevas (second round)
    15. Jack Sock (quarterfinals)
    16. Leonardo Mayer (third round)
Click on the seed number of a player to go to their draw section.

## 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

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| | Ričardas Berankis | 3 | 7 | 3 | | | | | | | | | | |
| 8 | John Isner | 6 | 5 | 6 | | | | | | | | | | |
| 8 | John Isner | 6 | 5 | 6 | 8 | John Isner | 6 | 3 | 7$^{11}$ | | | | | |
| | | | | | | Steve Johnson | 3 | 6 | 6$^9$ | | | | | |
| 15 | Jack Sock | 6$^5$ | 1 | | | Steve Johnson | 3 | 6 | 6$^9$ | | | | | |
| | Steve Johnson | 7$^7$ | 6 | | | | | | | | | | | |
| | Steve Johnson | 7$^7$ | 6 | | | | | | | 8 | John Isner | 6 | 4 | 4 |
| | | | | | | | | | | 2 | Kei Nishikori | 4 | 6 | 6 |
| | Alexander Zverev | 5 | 6$^3$ | | | | | | | | | | | | 2 | Kei Nishikori | 4 | 6 | 6 |
| 3 | Marin Čilić | 7 | 7$^7$ | | | | | | | | | | | |
| 3 | Marin Čilić | 7 | 7$^7$ | | 3 | Marin Čilić | 6 | 1 | 4 | | | | | |
| | | | | | 2 | Kei Nishikori | 3 | 6 | 6 | | | | | |
| | Sam Groth | 4 | 4 | | 2 | Kei Nishikori | 3 | 6 | 6 | | | | | |
| 2 | Kei Nishikori | 6 | 6 | | | | | | | | | | | |

### Top half
#### Section 1

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 1 | A Murray | 4 | 6 | 6$^4$ | | | | | | | | | |
| | T Gabashvili | 4 | 6 | 6 | | T Gabashvili | 6 | 4 | 7$^7$ | | | | | | | | | |
| | B Becker | 6 | 1 | 3 | | | | | | | T Gabashvili | 5 | 4 | | | | | |
| | R Berankis | 7$^7$ | 6 | | | | | | | | R Berankis | 7 | 6 | | | | | |
| | Y-h Lu | 6$^1$ | 3 | | | R Berankis | 6 | 6 | | | | | | | | | | |
| | | | | | 14 | P Cuevas | 3 | 3 | | | | | | | | | | |
| | | | | | | | | | | | | | | | R Berankis | 3 | 7 | 3 |
| | | | | | | | | | | | | | | 8 | J Isner | 6 | 5 | 6 |
| | | | | | 12 | V Pospisil | 7 | 6 | | | | | | | | | | |
| | D Young | 6 | 6 | | | D Young | 5 | 3 | | | | | | | | | | |
| WC | T Haas | 3 | 4 | | | | | | | 12 | V Pospisil | 4 | 6$^6$ | | | | | |
| | V Estrella Burgos | 4 | 6 | 6 | | | | | | 8 | J Isner | 6 | 7$^8$ | | | | | |
| WC | N Jarry | 6 | 3 | 4 | | V Estrella Burgos | 3 | 6$^5$ | | | | | | | | | | |
| | | | | | 8 | J Isner | 6 | 7$^7$ | | | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 4 | R Gasquet | 5 | 6 | 6 | | | | | | | | | |
| | M Jaziri | 3 | 5 | | | G Müller | 7 | 4 | 4 | | | | | | | | | |
| | G Müller | 6 | 7 | | | | | | | 4 | R Gasquet | 7$^7$ | 6$^5$ | 4 | | | | |
| Q | M Matosevic | 3 | 3 | | | | | | | 15 | J Sock | 6$^4$ | 7$^7$ | 6 | | | | |
| | R Bemelmans | 6 | 6 | | | R Bemelmans | 6$^7$ | 3 | | | | | | | | | | |
| | | | | | 15 | J Sock | 7$^9$ | 6 | | | | | | | | | | |
| | | | | | | | | | | | | | | | 15 | J Sock | 6$^5$ | 1 |
| | | | | | | | | | | | | | | | | S Johnson | 7$^7$ | 6 |
| | | | | | 11 | B Tomic | 7$^9$ | 4 | 2 | | | | | | | | | |
| | L Lacko | 5 | 3 | | | S Johnson | 6$^7$ | 6 | 6 | | | | | | | | | |
| | S Johnson | 7 | 6 | | | | | | | | S Johnson | 6 | 1 | 6 | | | | |
| Q | G Pella | 6 | 6$^7$ | 7 | | | | | | 6 | G Dimitrov | 3 | 6 | 3 | | | | |
| LL | I Dodig | 3 | 7$^9$ | 5 | Q | G Pella | 6$^1$ | 4 | | | | | | | | | | |
| | | | | | 6 | G Dimitrov | 7$^7$ | 6 | | | | | | | | | | |

### Bottom half
#### Section 3

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | 5 | K Anderson | 6 | 3 | 4 | | | | | | | | | |
| Q | Y Nishioka | 6$^1$ | 3 | | A Zverev | 2 | 6 | 6 | | | | | | | | | |
| | A Zverev | 7$^7$ | 6 | | | | | | | A Zverev | 2 | 6 | 6 | | | | |
| | A Dolgopolov | 6 | 6 | | | | | | | A Dolgopolov | 6 | 2 | 4 | | | | |
| | T Smyczek | 4 | 2 | | A Dolgopolov | 6 | 7$^7$ | | | | | | | | | | |
| | | | | 10 | I Karlović | 4 | 6$^2$ | | | | | | | | | | |
| | | | | | | | | | | | | | | | A Zverev | 5 | 6$^3$ |
| | | | | | | | | | | | | | | 3 | M Čilić | 7 | 7$^7$ |
| | | | | 13 | S Querrey | 6 | 5 | 6 | | | | | | | | | |
| Q | D King | 2 | 1 | | G Soeda | 3 | 7 | 4 | | | | | | | | | |
| | G Soeda | 6 | 6 | | | | | | 13 | S Querrey | 6$^2$ | 6$^3$ | | | | | |
| | D Sela | 2 | 1 | | | | | | 3 | M Čilić | 7$^7$ | 7$^7$ | | | | | |
| | H Chung | 6 | 6 | | H Chung | 6$^2$ | 3 | | | | | | | | | | |
| | | | | 3 | M Čilić | 7$^7$ | 6 | | | | | | | | | | |

#### Section 4

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 7 | F López | 4 | 7 | 6 | | | | | | | | |
| Q | J-P Smith | 3 | 4 | | WC | L Hewitt | 6 | 5 | 3 | | | | | | | | |
| WC | L Hewitt | 6 | 6 | | | | | | | 7 | F López | 3 | 4 | | | | |
| | S Groth | 7$^{10}$ | 4 | 6 | | | | | | | S Groth | 6 | 6 | | | | |
| | T Bellucci | 6$^8$ | 6 | 3 | | S Groth | 6 | 6 | | | | | | | | | |
| | | | | | 9 | V Troicki | 3 | 4 | | | | | | | | | |
| | | | | | | | | | | | | | | | S Groth | 4 | 4 |
| | | | | | | | | | | | | | | 2 | K Nishikori | 6 | 6 |
| | | | | | 16 | L Mayer | 7$^7$ | 6$^3$ | 6 | | | | | | | | |
| WC | D Kudla | 6 | 4 | 6$^5$ | | B Rola | 6$^2$ | 7$^7$ | 4 | | | | | | | | |
| | B Rola | 2 | 6 | 7$^7$ | | | | | | 16 | L Mayer | 4 | 4 | | | | |
| | J Duckworth | 6 | 7$^7$ | | | | | | | 2 | K Nishikori | 6 | 6 | | | | |
| Q | R Harrison | 1 | 6$^4$ | | | J Duckworth | 7$^{10}$ | 1 | 4 | | | | | | | | |
| | | | | | 2 | K Nishikori | 6$^8$ | 6 | 6 | | | | | | | | |

## Qualifying
### Seeds

* Rajeev Ram (withdrew)
* Kyle Edmund (first round)
* Ivan Dodig (qualifying competition, lucky loser)
* James Ward (first round)
* Guido Pella (qualified)
* Alejandro González (qualifying competition)
* Ryan Harrison (qualified)
* Austin Krajicek (first round)
* John-Patrick Smith (qualified)
* Yoshihito Nishioka (qualified)
* Somdev Devvarman (first round)
* Yūichi Sugita (first round)

### Qualifiers

* Marinko Matosevic
* Ryan Harrison
* Yoshihito Nishioka
* Darian King
* Guido Pella
* John-Patrick Smith

### Lucky losers

* Ivan Dodig

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| Alt | Sekou Bangoura | 3 | 7$^7$ | 6$^7$ | | | | |
| Alt | Takuto Niki | 6 | 6$^4$ | 7$^9$ | | | | |
| Alt | Takuto Niki | 6 | 6$^4$ | 7$^9$ | Alt | Takuto Niki | 2 | 4 |
| | | | | | | Marinko Matosevic | 6 | 6 |
| | Marinko Matosevic | 6 | 2 | 7$^8$ | | Marinko Matosevic | 6 | 6 |
| 8 | Austin Krajicek | 3 | 6 | 6$^6$ | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2/Alt | Kyle Edmund | 4 | 0 | | | | | |
| Alt | Mischa Zverev | 6 | 6 | | | | | |
| Alt | Mischa Zverev | 6 | 6 | | Alt | Mischa Zverev | 3 | 6$^3$ |
| | | | | | 7 | Ryan Harrison | 6 | 7$^7$ |
| | Guilherme Clezar | 3 | 7$^7$ | 2 | 7 | Ryan Harrison | 6 | 7$^7$ |
| 7 | Ryan Harrison | 6 | 6$^2$ | 6 | | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Ivan Dodig | 6 | 3 | 7$^7$ | | | | |
| | Liam Broady | 3 | 6 | 6$^5$ | | | | |
| | Liam Broady | 3 | 6 | 6$^5$ | 3 | Ivan Dodig | 6$^2$ | 3 |
| | | | | | 10 | Yoshihito Nishioka | 7$^7$ | 6 |
| WC | Robby Ginepri | 6 | 3 | 3 | 10 | Yoshihito Nishioka | 7$^7$ | 6 |
| 10 | Yoshihito Nishioka | 4 | 6 | 6 | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | James Ward | 4 | 7 | 4 | | | | |
| Alt | Zhang Ze | 6 | 5 | 6 | | | | |
| Alt | Zhang Ze | 6 | 5 | 6 | Alt | Zhang Ze | 5 | 3 |
| | | | | | Alt | Darian King | 7 | 6 |
| Alt | Darian King | 6 | 5 | 6 | Alt | Darian King | 7 | 6 |
| 11 | Somdev Devvarman | 2 | 7 | 2 | | | | |

#### Fifth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 5 | Guido Pella | 6 | 6 | | | | | |
| WC | Jordi Arconada | 4 | 4 | | | | | |
| WC | Jordi Arconada | 4 | 4 | | 5 | Guido Pella | 6 | 6 |
| | | | | | WC | Eric Quigley | 3 | 4 |
| WC | Eric Quigley | 6 | 5 | 6 | WC | Eric Quigley | 3 | 4 |
| 12 | Yūichi Sugita | 3 | 7 | 4 | | | | |

#### Sixth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 6 | Alejandro González | 3 | 6 | 6 | | | | |
| WC | Ryan Shane | 6 | 3 | 2 | | | | |
| WC | Ryan Shane | 6 | 3 | 2 | 6 | Alejandro González | 6$^3$ | 1 |
| | | | | | 9 | John-Patrick Smith | 7$^7$ | 6 |
| Alt | Matija Pecotić | 2 | 4 | | 9 | John-Patrick Smith | 7$^7$ | 6 |
| 9 | John-Patrick Smith | 6 | 6 | | | | | |