# 2018 BB&T Atlanta Open – Singles

John Isner was the defending champion and successfully defended his title, defeating Ryan Harrison in a rematch of the 2017 final, 5–7, 6–3, 6–4.

## Seeds

The top four seeds receive a bye into the second round.
* John Isner (champion)
* Nick Kyrgios (quarterfinals, retired)
* Chung Hyeon (quarterfinals)
* Matthew Ebden (semifinals)
* Frances Tiafoe (second round)
* Jérémy Chardy (second round)
* Mischa Zverev (quarterfinals)
* Ryan Harrison (final)

## 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 | Semifinals | Final | Final | Final | Final | Final |
| 1 | John Isner | 6 | 6$^6$ | 6 | | | | | |
| 4 | Matthew Ebden | 4 | 7$^8$ | 1 | | | | | |
| 4 | Matthew Ebden | 4 | 7$^8$ | 1 | 1 | John Isner | 5 | 6 | 6 |
| | | | | | 8 | Ryan Harrison | 7 | 3 | 4 |
| 8 | Ryan Harrison | 2 | 6 | 6 | 8 | Ryan Harrison | 7 | 3 | 4 |
| | Cameron Norrie | 6 | 3 | 2 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| | | | | | 1 | J Isner | 6 | 6 | | | | | | | | | | |
| | A de Minaur | 1 | 7$^7$ | 7$^7$ | | A de Minaur | 3 | 2 | | | | | | | | | | |
| LL | H Hurkacz | 6 | 6$^0$ | 6$^5$ | | | | | 1 | J Isner | 7 | 4 | 6 | | | | | |
| | M Youzhny | 6 | 6 | | | | | | 7 | M Zverev | 5 | 6 | 1 | | | | | |
| WC | E Reinberg | 2 | 0 | | | M Youzhny | 4 | 2 | | | | | | | | | | |
| SE | T Smyczek | 3 | 7$^{10}$ | 3 | 7 | M Zverev | 6 | 6 | | | | | | | | | | |
| 7 | M Zverev | 6 | 6$^8$ | 6 | | | | | | | | | | 1 | J Isner | 6 | 6$^6$ | 6 |
| | | | | | | | | | | | | | | 4 | M Ebden | 4 | 7$^8$ | 1 |
| | | | | | 4 | M Ebden | 6 | 6 | | | | | | | | | | |
| | I Karlović | 6 | 6$^5$ | 6$^6$ | WC | D Young | 4 | 4 | | | | | | | | | | |
| WC | D Young | 2 | 7$^7$ | 7$^8$ | | | | | 4 | M Ebden | 6 | 6 | | | | | | |
| Q | A Bolt | 4 | 1 | | | | | | | M Baghdatis | 3 | 2 | | | | | | |
| | M Baghdatis | 6 | 6 | | | M Baghdatis | 7 | 6 | | | | | | | | | | |
| | M Copil | 4 | 4 | | 5 | F Tiafoe | 5 | 1 | | | | | | | | | | |
| 5 | F Tiafoe | 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 | Semifinals |
| 8 | R Harrison | 4 | 7$^7$ | 6 | | | | | | | | | | | | | | | |
| PR | J Duckworth | 6 | 6$^2$ | 1 | 8 | R Harrison | 2 | 6 | 6 | | | | | | | | | | |
| | L Lacko | 6 | 6 | | | L Lacko | 6 | 2 | 3 | | | | | | | | | | |
| Q | P Gunneswaran | 2 | 2 | | | | | | | 8 | R Harrison | 6$^3$ | 6 | 7$^7$ | | | | | |
| SE | R Ramanathan | 4 | 4 | | | | | | | 3/WC | H Chung | 7$^7$ | 2 | 6$^5$ | | | | | |
| | T Fritz | 6 | 6 | | | T Fritz | 4 | 6$^5$ | | | | | | | | | | | |
| | | | | | 3/WC | H Chung | 6 | 7$^7$ | | | | | | | | | | | |
| | | | | | | | | | | | | | | | 8 | R Harrison | 2 | 6 | 6 |
| 6 | J Chardy | 6 | 6 | | | | | | | | | | | | | C Norrie | 6 | 3 | 2 |
| | R Berankis | 4 | 3 | | 6 | J Chardy | 7 | 4 | 4 | | | | | | | | | | |
| | C Norrie | 7 | 6 | | | C Norrie | 5 | 6 | 6 | | | | | | | | | | |
| | M Jaziri | 5 | 0 | | | | | | | | C Norrie | 7 | 3 | | | | | | |
| Q | T Kokkinakis | 3 | 4 | | | | | | | 2 | N Kyrgios | 5 | 0$^r$ | | | | | | |
| Q | N Rubin | 6 | 6 | | Q | N Rubin | 5 | 2 | | | | | | | | | | | |
| | | | | | 2 | N Kyrgios | 7 | 6 | | | | | | | | | | | |

## Qualifying
### Seeds

* Denis Kudla (qualifying competition)
* Hubert Hurkacz (qualifying competition, lucky loser)
* Jason Jung (qualifying competition)
* Bernard Tomic (first round)
* Noah Rubin (qualified)
* Mohamed Safwat (first round)
* Thanasi Kokkinakis (qualified)
* Alex Bolt (qualified)

### Qualifiers

* Alex Bolt
* Thanasi Kokkinakis
* Noah Rubin
* Prajnesh Gunneswaran

### Lucky loser

* Hubert Hurkacz

### 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 | Denis Kudla | 3 | 7$^7$ | 6 | | | | | |
| Alt | John-Patrick Smith | 6 | 6$^4$ | 3 | | | | | |
| Alt | John-Patrick Smith | 6 | 6$^4$ | 3 | 1 | Denis Kudla | 7$^7$ | 3 | 3 |
| | | | | | 8 | Alex Bolt | 6$^4$ | 6 | 6 |
| WC | Garrett Johns | 1 | 4 | | 8 | Alex Bolt | 6$^4$ | 6 | 6 |
| 8 | Alex Bolt | 6 | 6 | | | | | | |

#### Second qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Hubert Hurkacz | 6 | 6 | | | | |
| PR | Illya Marchenko | 1 | 1 | | | | |
| PR | Illya Marchenko | 1 | 1 | 2 | Hubert Hurkacz | 2 | 6$^6$ |
| | | | | 7 | Thanasi Kokkinakis | 6 | 7$^8$ |
| WC | Kiranpal Pannu | 3 | 4 | 7 | Thanasi Kokkinakis | 6 | 7$^8$ |
| 7 | Thanasi Kokkinakis | 6 | 6 | | | | |

#### Third qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Jason Jung | 6 | 6 | | | | |
| Alt | Christopher Eubanks | 4 | 3 | | | | |
| Alt | Christopher Eubanks | 4 | 3 | 3 | Jason Jung | 4 | 2 |
| | | | | 5 | Noah Rubin | 6 | 6 |
| | Evan King | 4 | 4 | 5 | Noah Rubin | 6 | 6 |
| 5 | Noah Rubin | 6 | 6 | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Bernard Tomic | 3 | 6 | 3 | | | |
| | Tommy Paul | 6 | 4 | 6 | | | |
| | Tommy Paul | 6 | 4 | 6 | Tommy Paul | 3 | 3 |
| | | | | | Prajnesh Gunneswaran | 6 | 6 |
| | Prajnesh Gunneswaran | 0 | 6 | 6 | Prajnesh Gunneswaran | 6 | 6 |
| 6 | Mohamed Safwat | 6 | 3 | 1 | | | |